A typical thermostat seen in houses is an illustration of a temperature controller. A thermostat can be used for a hot water system to regulate the water's temperature and keep it at a predetermined set temperature.
Explain what temperature control is.Temperature control is the act of measuring or otherwise detecting changes in the temperature of a space or a material, and then adjusting the flow of heat energy from or into the area or substance to reach the desired temperature.
Why is temperature regulation crucial?You must always prepare food to reduce the possibility of dangerous levels of germs in the food you sell. Maintaining a consistent temperature the food is highly essential in ensuring whether that it is safe to consume.
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which of the following is the best nucleophile? a) methyl anion b) hydroxide ion c) water d) tosylate
Water is the best nucleophile.
What are nucleophile and example?A reactant that donates an electron pair to create a covalent bond is called a nucleophile. Typically, a nucleophile is neutral or negatively charged with a single pair of donateable electrons. Among them are H2O, -OMe, or -OtBu. Overall, the species with a lot of electrons is a nucleophile.In both laboratory and biological organic chemistry, oxygen, nitrogen, and sulfur are the most important nucleophilic atoms, whereas water, alcohols, phenols, amines, thiols, and occasionally carboxylates are the most frequent nucleophilic functional groups.
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Which chocolate does not melt?.
Answer:white chocolate
Explanation:because if u try to i will clump up or dry
In a Sn2 substitution reaction, when can a rearrangement step occur?Rearrangement steps can occur before, between and after the concerted core step (Nucleophilic Attack and Loss of Leaving Group) Before the concerted core step (Nucleophilic Attack and Loss of Leaving Group) After the concerted core step (Nucleophilic Attack and Loss of Leaving Group) Between the concerted core step (Nucleophilic Attack and Loss of Leaving Group) Rearrangement steps cannot occur ever during a Sn2 substitution reaction
Creation of a carboxyl group is essential for a rearrange to take place.
What does "reaction" mean in the context of chemistry?One or even more chemicals, also referred to as reactants, are transformed all into or so other substances, often referred to as product, in a chemical reaction. Materials are composed of chemical compounds or elements.
What is response, using an example?A chemical reaction occurs when one or more components change into one or more other substances. An illustration of this happens when steel and oxygen combine to make rust. When vino and fizzy coke are combined, sodium chloride, oxide, and liquid are created. burning or exploding objects
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200 grams of water at 100 degrees c is poured into 100 grams of water at zero degrees c. what is the final temperature?
The final heat of your substance can be calculated by adding the temperature change to the starting point.
How to Calculate a Final Temperature?One of the most popular thermodynamics equations can be used to determine the solution to a chemistry or physics problem in which you are asked to determine the final temperature of a substance. For instance, suppose the problem asks you to determine the final temperature of water after applying a certain amount of heat at a specific starting temperature. Thermodynamics is a subfield of physical science that lies on the dividing line between chemistry and physics and is concerned with the flow of heat and energy throughout the cosmos and in nature.Q=mcT, the equation for specific heat, is rewritten. The letters "Q" and "m" stand for the mass of the heated material in grams, "c" stands for the static value of its specific heat capacity, and "T" stands for the temperature change in degrees Celsius to reflect the temperature change. Divide both sides of the equation by "mc" as follows: Q/mc = mcT/mc or Q/mc = T. This is done in accordance with the laws of arithmetic.To calculate the final heat of your substance, add the temperature change to the starting point. If your water started out at 24 degrees Celsius, for instance, the final temperature would be 24 + 6, or 30 degrees Celsius.Example :
Mass of Object 1 (g)200
Specific Heat of Object 1 (J/gC)100
Initial Temperature of Object 1 (C)100
Mass of Object 2 (g)
Specific Heat of Object 2 (J/gC)
Initial Temperature of Object 2.
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how many moles of glucose are required to provide the carbon for the synthesis of one mole of palmitate?
One glucose molecule is required to form a 16-carbon fatty acyl chain, which, when fully oxidized, can provide five times as much ATP as is required. In contrast, seven glucose molecules are required to produce the requisite NADPH.
What is Palmitic acid?A 16-carbon chain fatty acid is known as palmitic acid (hexadecanoic acid in IUPAC nomenclature). In animals, plants, and microbes, it is the most prevalent saturated fatty acid. Its C:D (total carbon atoms to total carbon-carbon double-bonds) ratio is 16:0. Its chemical formula is CH3(CH2)14COOH. With up to 44% of the total lipids, it makes up a significant portion of the oil extracted from the fruit of oil palm trees (palm oil). In addition, palmitic acid, which makes up 50–60% of all fats in meats, cheeses, butter, and other dairy items. As salts and esters of palmitic acid, palmitates are produced. When the pH is physiological, palmitic acid is seen as the palmitate anion.To learn more About 16-carbon fatty acyl chain refer to:
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How do you calculate the relative atomic mass of lithium?.
The relative atomic mass of lithium can be calculated by the average weighted of masses of the Isotopes of lithium relative to the mass of lithium.
Relative atomic mass of an element is given in the periodic table. It is also called relative atomic weight. The relative atomic mass of an element is the weighted average of the masses of the isotopes in the naturally occurring element relative to the mass of an atom.
We can estimate the the relative atomic mass or the atomic weight of an element E with the naturally occurring isotopes and with the respective abundances of A%, B%, C% and like that.
relative atomic mass =( A /100× a)+ ( B / 100× b) + ( C/100 × c).... and so on
lithium has two isotopes. one is lithium-6 and other is lithium-7 . so we can calculate the relative atomic mass by using Isotopes of lithium.
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directions: this group of questions consists of five lettered headings followed by a list of phrases or sentences. for each phrase or sentence, select the one heading to which it is most closely related. each heading may be used once, more than once, or not at all. (a) glycolysis (and) krebs cycle (citric acid cycle) (c) calvin cycle (light-independent reactions of photosynthesis) (d) light-dependent reactions of photosynthesis (e) chemiosmosis question process in which co2, is released as a by-product of oxidation-reduction reactions
Glycolysis is the most closely linked process, according to the remark made.
What is the main function of glycolysis?Proteolysis is the first method by which molecules are broken down to produce energy. This activity takes place in the cytosol from both prokaryotes. This became likely one of the earliest digestive routes to evolve because nearly all life on Earth employs it.
What are the stages of glycolysis?The initial process in breaking down glucose to release energy for the cell's activity is called glycolysis. Glycolysis consists of a fuel step and an electricity phase. Sugar is converted to provide energy at an expense of one ATP. Step 2: An hydrolase converts glucose 5-phosphate into alcohol hydrolysed, which is its isomer.
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(03.03 MC) Which of the following is an exergonic reaction? (3 points) The conversion of one glucose molecule to two pyruvate molecules by glycolysis The formation of ATP from ADP and P, The movement of a proton from the mitochondrial matrix to the intermembrane space The transfer of electrons from O2 to NADH
The following is an exergonic reaction are The conversion of one glucose molecule to two pyruvate molecules by glycolysis.
The conversion of 1 glucose molecule to 2 pyruvate molecules via way of means of glycolysis. The formation of ATP from ADP and Pi. The motion of a proton from the mitochondrial matrix to the intermembrane space. The switch of electrons from O2 to NADH.
Glycolysis is a linear metabolic pathway of enzyme-catalyzed reactions that converts glucose into molecules of pyruvate withinside the presence of oxygen or molecules of lactate withinside the absence of oxygen.
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assuming fission-product decay power must fall to 15 mwt before refueling can begin, estimate the minimum cooling time in days for fuel irradiated to t0
Nuclear fusion is a process in which two light nuclei are transformed into heavy nuclei and energy is released.
In the process of nuclear fission, a heavy nucleus splits into two or more smaller, more stable nuclei, releasing energy in the process.
What do you mean by Fission-product ?In physics, a fission product is any of the lighter atomic nuclei produced as a result of the splitting of heavier nuclei (nuclear fission). This includes both the initial primary nuclei produced (fission fragments) and the secondary nuclei produced as a result of their radioactive decay.
The main radioactive byproducts of uranium-235 fission are isotopes of iodine, caesium, strontium, xenon, and barium. With each passing day, the threat decreases.
By dissolving large, heavy atoms, like uranium, into smaller ones, like iodine, caesium, strontium, xenon, and barium, to name just a few, fission produces energy. To create the heavier helium, fusion combines light atoms, such as the two hydrogen isotopes deuterium and tritium.
This is a nuclear fusion process since the described reaction results in the formation of the heavier nucleus helium from the combining of deuterium and tritium.
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TRUE/FALSE. the information systems of several firms have been compromised by insiders that can include contract employees, cleaning staff, and temporary staffers.
True An information leak is an event takes place when confidential information is revealed to unauthorized persons or parties.
Any cursory scan of news sources demonstrates that unfortunately, data leaks happen with alarming frequency. Unsurprisingly, if the information is leaked concerning project deals or tender information, there can be a large loss of revenue for your business.
Information leaks may not always appear to directly hamper your business; however, there are often indirect repercussions. The leakage of confidential customer information can harm the reputation of your company in the marketplace. Future customers will be apprehensive about working with you, or in divulging personal information to your company.
Primary causes of information leakages:
Information is shared using non-secure tools
Employees stealing company information
Employees accidentally sharing confidential information
Information accidentally sent to wrong recipients
Phishing scams
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an electron is projected into a uniform magnetic field (0.5 0.8) with a velocity of (3.0 4.0) × 106 m/s. what is the magnetic force on the electron?
Explanation:
0.5×0.8=(3.0×4.0) × 160
Which of the following statements is incorrect?a. If sugar is dissolved in water, sugar is the solute and water is the solventb. In an experiment, students are instructed to add water to a certain quantity of a stock solution of sodium hydroxide. The resulting solution may be called dilute, and the stock solution is said to be concentratedc. If, at a given temperature, the solubility of a certain compound is 56 grams per 100 milliliters of water, a solution having a concentration of 46 grams per 100 milliliters at the same temperature is supersaturatedd. Oil and water are immisciblee. The concentration of a saturated solution, expressed in grams per 100 milliliters of solvent, is the same as its solubility expressed in the same units
The following statements is incorrect : If, at a given temperature, the solubility of a certain compound is 56 grams per 100 milliliters of water, a solution having a concentration of 46 grams per 100 milliliters at the same temperature is supersaturated.
The supersaturated solution is the solution that contain more solute than required for the saturated solution. so, the third option is incorrect.
Thus, The following statements is incorrect : If, at a given temperature, the solubility of a certain compound is 56 grams per 100 milliliters of water, a solution having a concentration of 46 grams per 100 milliliters at the same temperature is supersaturated.
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Consider the retrosynthesis of the following target molecule. Provide at least two possible starting material(s) that could be used to prepare the target molecule. OH Select the compounds (plus reagents) that would be suitable starting materials for an efficient synthesis of the given target molecule. Select all that apply. + conc. H2SO4 and heat Br + hydroboration- oxidation + H20 Br + NaOH Br oxymercuration- demercuration
The two starting materials to obtain the given target molecule are NaOH and the method of oxymercuration-demercuration.
Retrosynthesis
The process of “deconstructing” a target is known as Retrosynthesis. A molecule into readily available starting materials by means of. - imaginary breaking of bonds (disconnections) and by the conversion of one functional group into another (functional group interconversions).
We can obtain the target molecule by reacting the following compound with NaOH.We can obtain the target molecule by undergoing the reactant with oxymercuration- demercuration.The reaction are given in the image.
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an unknown molecule contains only iodine and fluorine, and it is 57.2% by mass. what is the electron domain geometry of iodine in this molecule
Iodine's electron domain shape in this molecule is square pyramidal because it is 57.2% of the mass of an unidentified molecule that just includes iodine and fluorine.
Whether they are bonding or non-bonding electrons, the pair/group/domain of electrons on the Centre atom is known as the electron geometry. Electron pairings are electrons that can be found as solitary pairs, bonds, or as a single unpaired electron.
Let's say the chemical formula is Molecular weight of the molecule expressed in Fm Iodine weight percentage equals 126.9 n /(126.9 n + 19m) = 0.527 when M =n* atomic weight of iodine + m* atomic weight of fluorine.
this results in m=5n taking into account n=1 and m=5, leading to the molecular formula = IF5 molecular structure.
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a chemist needs a 0.5 m solution of sodium hydroxide for their experiment. how many grams of sodium hydroxide should they add to a 100 ml volumetric flask to make the solution?
2 grams of sodium hydroxide they should add to a 100ml volumetric flask to make the solution.
what is molecular mass?
The molar mass of a chemical compound is defined in chemistry as the mass of a sample of that compound divided by the quantity, or number of moles in that sample, measured in moles.
number of moles =mass/ molar mass
molarity= 0.5
so, the number of moles= 0.5*100/1000=0.05
No of moles × molar mass= mass of NAOH
mass of NaOH= 0.05 ×40=2grams
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What is the first step in the emergence of life proposed by Oparin?.
Oparin suggests that the first phase in the evolution of life was self-copying molecules in the primordial soup.
Oparin, what do you mean?Oparin thought that coacervates, which are microscopic, spontaneously produced circular aggregates involving lipid molecules held together by electrical charges and which may have been the earliest forms of cells, were the source of life.
What part did Oparin play in the beginning of life?Oparin continued by elaborating on the method by which biomolecules will self-assemble into enormous liquid-like structures he referred to as "complex coacervates"—what we now refer to as hydrodynamic assemblies. He proposed that the development of these protocells was a crucial step in the emergence of life.
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The complete question is-
Which is the first step in the emergence of life propose by Oparin?
A. Self-copying molecules ate the primordial soup.
B. Lighting sparked chemical reactions among simple organic compounds in the primordial soup.
C. Molecules began copying themselves, using other molecules in the primordial soup as building blocks.
D. Photosynthesis supplied the oxygen necessary for self-copying molecules to thrive and form membranes.
given the name of the molecule found in the process of dna replication. match the named molecule found in the dna replication process to its appropriate description. single stranded binding proteins (ssbps)
One of the crucial elements in DNA replication is the enzyme DNA polymerase. DNA polymerases build DNA by sequentially adding nucleotides to the lengthening DNA strand.
What is the name of the process that duplicates DNA?These strands are divided during the replication process. The semiconservative replication process creates the counterpart of each strand of the original DNA molecule by using it as a template.
What chemical brings about replication's conclusion?And last, DNA ligase, an enzyme? divides the DNA sequence into two strands that are continuous. Two DNA molecules made up of one new and one old chain of nucleotides are produced as a result of DNA replication.
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in part 2, after addition of potassium iodid either water or kl could react at each of the electrodes but only one reaction will occur. what do you think was forming at the end of the pencil connected to the black lead? what do you think was forming at the end of the pencil connected o the red lead
After addition of potassium iodid either water or kl could react at each of the electrodes but only one reaction will occur because of the no longer take part withinside the reactions, even though they're present.
Electrical energy (batteries, energy line) is transformed into light, that is a shape of energy, and heat. As the filament in a bulb or a pencil lead receives warmer and warmer, atoms withinside the filament begin quicker and sooner or later get so warm that they could supply off light.
In aqueous potassium iodide, KI, an ionic solid, dissociates into the ions K+ and I- (K+ ions aren't proven withinside the response schemes, due to the fact they do now no longer take part withinside the reactions, aleven though they're present). The water itself is likewise in equilibrium among H2O and H+ and OH-.
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Does oxygen and fluorine form an ionic compound?.
What is the best description of fusion?.
When two atoms collide to create a heavier atom, such as when two hydrogen atoms combine to produce one helium atom, this process is known as fusion. The sun is powered by a similar mechanism, which also generates vast quantities of energy.
Which better describes nuclear fusion?Nuclear fusion is the process by which two light atomic nuclei unite to produce a single heavier one while releasing enormous quantities of energy.
The sun and the stars are both powered by fusion. It is the process by which two hydrogen atoms fuse to generate a helium atom. A portion of the hydrogen's mass is changed into energy during the process.
Fusion and fission are both caused by the strong force.
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Do you stop at an uncontrolled intersection Oregon?.
Always yield to the right when heading towards an uncontrolled intersection Oregon.
An uncontrolled intersection is one where there are no traffic lights, road markings, or signs to indicate right-of-way. When approaching an uncontrolled intersection, treat it as a yield sign." You must slow down, check, and monitor to ensure that there is no oncoming traffic. You can proceed through the intersection once it has been determined to be safe. The primary driver must always yield to the driver on the right at an uncontrolled intersection. Thus, if two cars arrive at an uncontrolled intersection at roughly the same time, the driver on the left is legally required to yield the way to the driver on the right.
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identify the reagents that can be used to achieve the following transformation: 1) conc,. h2so4, heat, 2) oso4
The reagents that can be used to achieve the following transformation conc [tex]H_{2}SO_{4}[/tex]
What functions do reagents serve in chemistry?A chemical reaction is employed to verify the detection of another substance and is referred to as a "substance or chemical that's also added to a system with the purpose to induce a chemical change or is introduced to verify whether a reaction has occurred or not."
Reagent products are what?Reagent Products are Licensed Products that are composed of reagents used to perform SBS. They do not include any kits, reagents, or components used for Sample Preparation, nor do they include any hardware or devices.
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in a mixture of n2o4 and no2 at 25c, the partial pressure of n2o4 is 0.20 atm and the partial pressure of no2 is 0.10 atm. calcualte delta g for the reaction in this mixture
The delta g for the reaction in this mixture ΔG=ΔG0+RT for a mixture of n2o4 and no2 at 25c, the partial pressure of n2o4 is 0.20 atm and the partial pressure of no2 is 0.10 atm.
As a response undergoes a extrade from its preliminary to very last nation the extrade in its unfastened power is called as ∆ G of the system. It is likewise the power related to a chemical response that may be used to do work.
And the extrade in unfastened energy, delta G, is same to the extrade in enthalpy, delta H, minus the temperature in Kelvin, instances the extrade in entropy, delta S. When delta G is much less than zero, a chemical or bodily technique is desired withinside the ahead direction.
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a gas sample containing 12 g of co2 has a volume of 14 l. what will the volume be if 12 g of he is added?
After adding g of He, the gas sample has a volume of L. P and T are constants because He is being added to the same sample. Therefore, 12g's volume is 10.2 L.
What is volume of a gas?The quantity of 3-dimensional space a gas occupies is referred to as its volume. The volume of a gas within a closed container will match the volume of the container. The area occupied by gaseous particles under normal temperature and pressure circumstances is referred to as the volume of gas. It is identified as a "V." The volume of a system is a crucial comprehensive parameter for defining its thermodynamic state in thermodynamics. The specific volume, a strong characteristic, is the volume of the system per unit of mass.
How do you find volume with standard temperature and pressure and formula its formula?The molar volume (Vm) is the volume occupied by one mole of a chemical element or chemical compound at standard temperature and pressure (STP). You may figure it out by dividing the mass density by the molar mass (M).
Let's first go through PV = nRT, the ideal gas law. P stands for pressure in atmospheres, V for volume in litres, n for moles of particles, T for temperature in Kelvin, and R for the ideal gas constant in this equation (0.0821 litre atmospheres per moles Kelvin).
Briefing:12 g of CO2 corresponds to 12g/14L=0.85 mole.
1 mole occupies 14 L at STP.
Hence, 12g will occupy 0.85*12=10.2L
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write an equation showing how to prepare 1,4-di-tert-butyl-1,4-cyclohexadiene from benzene and any necessary organic or inorganic reagents. if an ortho, para mixture is formed in any step of your synthesis, assume that you can separate the two isomers. part 1 out of 3
Pure 1,4-cyclohexadiene can be obtained by reaction of benzene with an excess of lithium in a mixture of t-butyl alcohol and liquid ammonia.
Alkylation of benzene with tert-butyl chloride and aluminum chloride has been very popular in organic reactions of chemistry, but it releases HCl gas fumes. This problem has lead to a replacement preparation by reacting with tert-butyl acetate, which provides better yield and eliminated the fumes.
The alkylation of benzene breaks down the double bonds into single thus reacting to produce more single chained carbons and expanding the structure.
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lag time is measured as the difference between the time at which half the precipitation has occurred and that at which:
This is referred to as discharge and is expressed in metres cubed per second (Cumecs).
What is lag time measured in?The width, gradient, and bed type of the river channel (rock, concrete, gravel, cobbles, and/or boulders) are all known quantities at any given point. The volume of water can be calculated using these parameters if the river depth is known. This is referred to as discharge, and the units are metres cubed per second. This volume fluctuates over the course of the storm because it takes time for the water to travel from the catchment where it falls to the main river channel. Lag time or basin lag is the term for this.The hydrograph shown above is a plot of discharge versus time with rainfall indicated on the vertical axis. The bank complete discharge can be seen as a horizontal red line. In other words, the nearby areas will be flooded by the river if the flood peak breaks above this level. The curve will flatten or squash below the red line as the amount of time it takes for the water to reach this location rises, keeping the river within banks.To learn more About discharge refer to:
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how does the volume of an ideal gas at constant temperature change as the pressure increases? socratic.org
The volume of ideal gas will be decreased if the pressure increase while the temperature remain constant
To determine the effect of increasing pressure of ideal gas, we can use the equation available for ideal gas.
Ideal gas equation state as below:
PV=nRT ⇒ V = nRT/P
Where,
P = Pressure
V = Volume
n = mole
R = Ideal gas constant
T = Temperature
Based on above equation, we can conclude if the pressure increase and the temperature remain constant, the volume of the system will be decreased. Therefore, if the pressure decrease while the temperature remain constant, the volume will be increasing.
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Rigor mortis __________.
is independent of environmental factors
involves appendicular skeletal muscles only
is due to the loss of acetylcholine receptors at the neuromuscular junctions
occurs as the sarcoplasmic reticulum deteriorates, releasing calcium ions
occurs as the sarcoplasmic reticulum deteriorates, releasing calcium ions
Rigor mortis occurs as the sarcoplasmic reticulum deteriorates, releasing calcium ions.
Rigor mortis is the phenomenon of stiffening of the body after death. It is one of the most important signs of death, caused by a change in the chemical balance(Ca+) of the muscles after death. This is the reason where the muscles become hard, making them difficult or impossible to move.
The blochemical cause of rigor mortis starts with the cessation of the pumping of calcium ions into the sarcoplasmic reticulum due to the absence of adenosine triphosphate (ATP) therefore the cytosolic concentration of this lon gradually increases.
Therefore, rigor mortis occurs as the sarcoplasmic reticulum deteriorates, releasing calcium ions.
It also contributes to the degradation of the reticulum terminal cistems and increase in the cytosolic calcium ion concentration Blood circulation ceases, and the oxygen transport and withdrawal of metabolism products. Enzyme systems continue to function after short duration only of the death. Thus, glycolysis continues in an anaerobic reaction and generates lactic acid, which is responsible for lowering the pH.
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a norman window has the shape of a square with a semicircle mounted on it. find the width of the window if the total area of the square and the semicircle is to be 200 f t 2 .
The width of the window is 11.984 f t.
A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window.
Let the width of the window be xft.
Hence the window here is norman window
So The diameter of semicircle too is xft.
Hence the formula used here will be;
x² ₓ (1+ [tex]\frac{\pi }{8}[/tex])
As the question indicated that the the total area of the square and the semicircle is to be 200 f t 2 .
So
(1+ [tex]\frac{\pi }{8}[/tex]) x² = 200
Now separate the x from formula
x = [tex]\sqrt{200/ 1+ \pi /8}[/tex]
x= [tex]\sqrt{200/ 1+ \pi /8}[/tex]
Now take the LCM of [tex]\frac{\pi }{8}[/tex] as follows
x= [tex]\sqrt{1600/ 8+\pi }[/tex]
Now put the value of [tex]\pi[/tex] which is 3.14
x= [tex]\sqrt{1600/ 8 +3.14}[/tex]
Now add 8+ 3.14
x= [tex]\sqrt{1600/ 11.14159}[/tex]
Now divide the values as follows
x= [tex]\sqrt{143.6}[/tex]
Take the square root of 143.6
x= 11.984
So the answer is 11.984 f t
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looking at how others are reacting when we are uncertain about how we should react is a process called
Looking at how others are reacting when we are uncertain about how we should react is a process called social referencing.
Infants use an adult's affective displays to control how they behave around environmental objects, people, and circumstances. This process is known as social reference. One of the key mechanisms through which infants learn to comprehend their environment is social reference.
By the age of twelve months, newborns can use the faces of their caregivers as a source of visual information to assist them grasp unfamiliar or unclear situations. For instance, when given a new toy car, a baby may decide whether or not to play with it by observing his mother's facial expressions.
It appears that social referencing processes are active during a variety of intragroup and interpersonal interactions.
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Looking at how others are reacting when we are uncertain about how we should react is a process called a. social referencing.
In the field of sociology, social referencing can be described as a process by which people tend to look at each other when they do not know how to act in a particular social situation.
Social referencing refers to acting according to how others have behaved in a particular scenario as you do not know how to face a particular social situation.
Social referencing is the ability of a person to learn from others when he himself does not know how to act in a situation and is uncertain.
Although a part of your question is missing, you might be referring to this question:
Looking at how others are reacting when we are uncertain about how we should react is a process called
a. social referencing.
b. sympathy.
c. empathic feelings.
d. emotional intelligence.
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