Changes or mutations in genes can lead to changes in proteins through their impact on the genetic code and subsequent protein synthesis.
Genes carry the instructions necessary for the production of proteins, which are essential for various cellular functions. Mutations can occur spontaneously or due to factors such as environmental exposures, errors during DNA replication, or genetic predispositions.
Mutations can take various forms. Substitution mutations involve the replacement of a single nucleotide base with another, potentially altering the codon sequence in the gene. This change can result in the incorporation of a different amino acid during translation, leading to an altered protein structure and function.
Insertion or deletion mutations involve the addition or removal of nucleotides in the gene sequence. These mutations can disrupt the reading frame, causing a shift in the codon sequence downstream. As a consequence, the resulting protein can have an entirely different amino acid sequence, often resulting in a non-functional or severely impaired protein.
Mutations in regulatory regions of genes can also impact protein production. These regions control gene expression by influencing the binding of transcription factors. Alterations in these regulatory elements can lead to changes in the amount of protein produced, affecting cellular processes.
Overall, mutations in genes can result in changes to proteins by modifying the genetic code. These changes can affect protein structure, function, stability, and interaction with other molecules, ultimately impacting cellular processes, development, and disease susceptibility.
Know more about mutation here:
https://brainly.com/question/23030726
#SPJ8
According to “Past Climate Changes on Earth,” what changes to the atmosphere caused temperatures to increase, making the Eocene such a warm time in Earth’s history? ____________________________________________________________________________
The changes to the atmosphere that caused temperatures to increase, making the Eocene such a warm time in Earth’s history was the increase in concentrations of greenhouse gases, primarily carbon dioxide (CO2) and methane (CH4).
What was the Eocene period?The Eocene period was a geological epoch that lasted from approximately 56 to 34 million years ago, occurring between the Paleocene and Oligocene epochs.
During this epoch, the Earth experienced a greenhouse climate, with higher global temperatures and high levels of carbon dioxide in the atmosphere.
Learn more about the Eocene period at: https://brainly.com/question/1370317
#SPJ1
Kent often eats off of paper plates. When he's done, he disposes of the plates in the trash. Which of the following is a way that Kent could help paper resources to last longer? A. He could eat healthier foods off of paper plates. B. He could use more than one paper plate at once. C. He could eat off of ceramic plates more often. D. He could also use paper napkins to clean up.
Answer: C
Explanation: it's the most logical one and if he eats off the ceramic ones then he saves the paper ones
(c) 45 g C,H, react with 45 g Cl₂ according to the equation:
Cl₂ + C6H6 C6H5Cl + HCI. What is the limiting reactant? What mass of HCI will be produced?
-
In the given reaction, the limiting reactant is C₆H₆ (benzene).
To determine the limiting reactant as well as calculate the mass of HCl produced, compare the moles of each reactant.
The number of moles for each reactant:
Molar mass of Cl₂ = 35.5 g/mol + 35.5 g/mol = 71 g/mol
Moles of Cl₂ = mass of Cl₂ / molar mass of Cl₂
= 45 g / 71 g/mol
= 0.634 moles of Cl₂
Molar mass of C₆H₆ (benzene) = 12 g/mol + 6(1 g/mol) = 78 g/mol
Moles of C₆H₆ = mass of C₆H₆ / molar mass of C₆H₆
= 45 g / 78 g/mol = 0.577 moles of C₆H₆
Determine the stoichiometry between Cl₂ and HCl:
Cl₂ + C₆H₆ → C₆H₅Cl + HCl
Here, we can see that 1 mole of Cl₂ produces 1 mole of HCl.
Thus, the limiting reactant is C₆H₆ (benzene).
Calculate the mass of HCl produced:
Molar mass of HCl = 1 g/mol + 35.5 g/mol = 36.5 g/mol
Moles of HCl produced = moles of C₆H₆ = 0.577 moles
Mass of HCl produced = moles of HCl produced × molar mass of HCl
Mass of HCl produced = 0.577 moles × 36.5 g/mol
≈ 21.04 g
Therefore, approximately 21.04 grams of HCl will be produced.
For more details regarding limiting reactant, visit:
https://brainly.com/question/10090573
#SPJ1
6NaCl + Ba3P2 - 3BaCl₂ + 2Na3P
If 17 moles sodium phosphide is produced, how many moles of sodium chloride is needed?
Round to the nearest hundredths.
Please check the attached. Fairly easy question.
To encourage more product, CS₂, to form from the given reaction add more H₂S, hence option A is correct.
Equilibrium exists when the reactants and products are in balance. The concentration varies with each stop. A reaction takes place and a product is produced when two reactants are mixed. The concentration of the product rises as the reactant concentration falls.
One method is to change the reactant or product of a chemical process when it reaches equilibrium.
The equilibrium changes as more reactant is introduced, producing more product as a result. To lessen the stress, adding more product causes the equilibrium to switch to reactants.
Learn more about reactions, here:
https://brainly.com/question/16737295
#SPJ1
For the reaction
2NH3(g)↽−−⇀ 3H2(g)+N2(g)
the equilibrium concentrations were found to be [NH3]=0.250 M, [H2]=0.470 M, and [N2]=0.800 M. What is the equilibrium constant for this reaction?
Keq=
The equilibrium constant (Keq) for the given reaction is approximately 1.33456. The value of Keq indicates the relative concentrations of reactants and products at equilibrium. In this case, a Keq greater than 1 suggests that the products (H2 and N2) are favored at equilibrium, indicating that the forward reaction is more favorable.
The equilibrium constant (Keq) is a measure of the extent to which a reaction has reached equilibrium. For the given reaction:
2NH3(g) ↔ 3H2(g) + N2(g)
The equilibrium constant expression can be written as:
Keq = ([H2]^3 * [N2]) / ([NH3]^2)
Using the given equilibrium concentrations:
[NH3] = 0.250 M
[H2] = 0.470 M
[N2] = 0.800 M
We can substitute these values into the equilibrium constant expression:
Keq = ([0.470]^3 * [0.800]) / ([0.250]^2)
Keq = (0.103823 * 0.800) / (0.0625)
Keq = 1.33456
for more questions on equilibrium
https://brainly.com/question/3159758
#SPJ8
Which group of pair with a group 5 non-metal, such as nitrogen, in a 1:1 ratio based on trends in valence electrons?
A. Group 1A or 1
B. Group 2A or 2
C. Group 3A or 13
D. Group 6A or 16
Based on valence electron trends, the correct answer is C. Group 3A or 13.
Based on trends in valence electrons, the group of pairs with a group 5 non-metal, such as nitrogen (N), in a 1:1 ratio is Group 3A or 13. Group 5 non-metals have 5 valence electrons, and they tend to form compounds by either gaining 3 electrons to achieve a stable octet or by sharing 3 electrons in covalent bonds.
Group 1A or 1 elements, such as hydrogen (H) and lithium (Li), have only 1 valence electron. They would need to gain 4 additional electrons to achieve a stable octet, which is energetically unfavorable.
Group 2A or 2 elements, such as beryllium (Be) and magnesium (Mg), have 2 valence electrons. They would need to gain 3 additional electrons to achieve a stable octet, which is also energetically unfavorable.
Group 6A or 16 elements, such as oxygen (O) and sulfur (S), have 6 valence electrons. They would need to gain only 1 additional electron to achieve a stable octet, making them more likely to form a 2:1 ratio with a group 5 non-metal.
for more question on valence electron
https://brainly.com/question/371590
#SPJ8
How much did asbestos exposure decrease during the year 1982 and 1983
The asbestos exposure during the years 1982 and 1983 was 2.5 fibers per cubic centimeter and 0.8 fibers per cubic centimeter respectively. So asbestos exposure decreased by 1.7 fibers per cubic centimeter during the year 1983.
Breathlessness Persistent, dry cough Chest pain or tightness Lack of a dry, crackling sound in the lungs when you breathe in Wider and rounder fingers and toes are some of the symptoms of asbestos exposure.
The largest group of people exposed to asbestos is those working in the construction industry. Historically, asbestos was also used by pipe fitters and shipyard workers. In addition, asbestos was used by military personnel, auto mechanics, and many other occupations.
To learn more about asbestos, refer to the link:
https://brainly.com/question/8853025
#SPJ1
The decomposition of hydrogen peroxide follows first order reaction kinetics with a rate constant k = 6.40 x 10-3 s-1.
2 H2O2(aq) ⟶ 2 H2O(l) + O2(g)
If the reaction starts with an H2O2 concentration of 6.80 M, how long will it take for the H2O2 concentration to reach 2 M?
In this first-order the decomposition reaction, the H2O2 concentration will drop from 6.80 M to 2 M in roughly 191.1 seconds.
The first-order rate equation can be used to calculate how long it will take for the hydrogen peroxide (H2O2) concentration to reach 2 M:
ln([H2O2]t/[H2O2]0) = -kt
Where:
The amount of H2O2 present at time t is known as [H2O2]t.H2O2 is initially present at a concentration of zero, and k is the rate constant.
To find t, we can rewrite the equation as follows:
t = -[ln([H2O2]t/[H2O2]0)] / k
Plugging in the given values:
[H2O2]t = 2 M
[H2O2]0 = 6.80 M
[tex]k = 6.40 \times 10^{(-3)} s^{(-1)[/tex]
t = -[ln(2/6.80)] / (6.40 x 10^(-3))
Now, we can calculate the time:
t ≈ -[ln(0.2941)] / (6.40 x 10^(-3))
t ≈ -(−1.2231) / (6.40 x 10^(-3))
t ≈ 191.1 seconds
for more quesions on decomposition reaction
https://brainly.com/question/14608831
#SPJ8
I need help I don’t understand this is hitting
Reagents that are entirely consumed by a chemical reaction are known as limiting reagents.
Thus, They are additionally known as limiting reactants or limiting agents. A predetermined quantity of reactants are necessary for the reaction to be completed, according to the stoichiometry of chemical reactions.
In the aforementioned reaction, 2 moles of ammonia are created when 3 moles of hydrogen gas react with 1 mole of nitrogen gas.
In most cases, this reactant dictates when the reaction will end. The reaction stoichiometry can be used to determine the precise quantity of reactant that will be required to react with another element. The limiting agent is determined by the mole ratio rather than the mass of the reactants.
Thus, Reagents that are entirely consumed by a chemical reaction are known as limiting reagents.
Learn more about Chemical reaction, refer to the link:
https://brainly.com/question/22817140
#SPJ1
Which circuits are parallel circuits?
Circuits C and D are parallel circuits. Therefore, options C and D are correct.
Parallel circuits are a type of electrical circuit configuration where multiple components are connected in parallel to the same power source. In a parallel circuit, each component has its own separate path for current to flow. It allows independent current flow through each component.
In a parallel circuit, the components, such as resistors, lamps, or other electrical devices, are connected side by side, with each component having its own branch or "loop" connecting it to the power source.
Learn more about parallel circuits, here:
https://brainly.com/question/14997346
#SPJ1
1) To increase the amount of NH3 at 200 atm, the manufacturer should (increase, decrease, not change) the temperature of the reaction chamber.
2) This change in temperature would shift the reaction to the (left, right) because this equilibrium reaction is (exothermic, endothermic)
The temperature of the reaction should be decreased
This change in temperature would make the equilibrium to shift to the right.
What is the LeChatelier principle?
The Le Chatelier's principle, commonly referred to as the Le Chatelier's principle of equilibrium, is a chemical principle that describes how an equilibrium system reacts to environmental changes.
According to this theory, when an equilibrium system is exposed to an outside force, it will respond in a way that partially offsets the imposed change and restore equilibrium.
Learn more about LeChatelier principle:https://brainly.com/question/31377984
#SPJ1
Which nonmetal would an ion of Na1+ MOST LIKELY ionically bond with in a 1:1 ratio?
The nonmetal that an ion of Na1+ most likely ionically bond with in a 1:1 ratio is [tex]Cl^-[/tex].
What is an ionic bond?Ionic bonding is described as a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, or between two atoms with sharply different electronegativities, and is the primary interaction occurring in ionic compounds.
Chlorine is one of the nonmetals that frequently receives an electron to create a stable electron configuration.
Chlorine has an atomic number of 17 and an electron configuration of 2-8-7. By accepting one electron, it can achieve a stable 2-8-8 electron configuration similar to argon.
Learn more about electron configuration at:
https://brainly.com/question/26084288
#SPJ1
1 points
A bottle contains a mixture of two gases: Oxygen and Hellum. The partial pressure of O2 is 1.0 atm and the partial pressure of He is 100.0 mmHg. What is the total pressure in the tank? (Volume and temperature are
constant)
101 alm
011 atm
O 101 mmHg
O 1.1 mmHg
101 mmHg is the total pressure in the tank.
Thus, Dalton's Law of Partial Pressures states that while the volume and temperature of a gaseous mixture are held constant, the total pressure of the mixture is equal to the sum of the partial pressures of its gaseous components.
Nitrogen, oxygen, argon, carbon dioxide, water vapor, and a trace amount of other gases are all present in atmospheric air and pressure.
The increased oxygen content in the chamber can displace the CO bound to hemoglobin faster than air oxygen, hence the hyperbaric chambers are also used to treat carbon monoxide (CO) poisoning. The treatment of scuba divers with the bends is another application for hyperbaric chambers.
Thus, 101 mmHg is the total pressure in the tank.
Learn more about Pressure, refer to the link:
https://brainly.com/question/30673967
#SPJ1
Percent Change of pH = 100% x ( pH at 5 drops - pH at 0 drops ) / ( pH at 0 drops )
The formula you provided calculates the percent change in pH based on the difference between the pH at 5 drops and the pH at 0 drops. Here's how you can use the formula:
1. Determine the pH at 5 drops and the pH at 0 drops.
Let's say the pH at 5 drops is 4 and the pH at 0 drops is 7.
2. Plug the values into the formula:
Percent Change of pH = 100% × (pH at 5 drops - pH at 0 drops) / pH at 0 drops
Percent Change of pH = 100% × (4 - 7) / 7
3. Calculate the numerator:
4 - 7 = -3
4. Calculate the denominator:
Percent Change of pH = 100% × (-3) / 7
5. Calculate the percent change:
Percent Change of pH = -300% / 7
Therefore, the percent change in pH from 0 drops to 5 drops is approximately -42.86%.
What is the volume, in L, of 6.8 g of Kr gas at STP?
Answer: The volume of 6.8g of Kr gas at STP is 0.00033064 L.
Explanation:
For the reaction
4PH3(g)↽−−⇀6H2(g)+P4(g)
the equilibrium concentrations were found to be [PH3]=0.250 M, [H2]=0.580 M, and [P4]=0.750 M.
What is the equilibrium constant for this reaction?
c=
The equilibrium constant (Kc) for the given reaction is approximately 16.448. The value of Kc indicates the relative concentrations of reactants and products at equilibrium. In this case, a Kc greater than 1 suggests that the products (H2 and P4) are favored at equilibrium, indicating that the forward reaction is more favorable.
To determine the equilibrium constant (Kc) for the given reaction:
4PH3(g) ↔ 6H2(g) + P4(g)
We can write the equilibrium constant expression based on the stoichiometric coefficients:
Kc = ([H2]^6 * [P4]) / ([PH3]^4)
Substituting the given equilibrium concentrations:
[PH3] = 0.250 M
[H2] = 0.580 M
[P4] = 0.750 M
We can plug in these values into the equilibrium constant expression:
Kc = ([0.580]^6 * [0.750]) / ([0.250]^4)
Kc = (0.0860128 * 0.750) / (0.00390625)
Kc = 16.448
for more question on equilibrium
https://brainly.com/question/18849238
#SPJ8
hexaphosphorus nonasulfide formula
Answer:
P6S9
Explanation:
Firstly, let's write the numbers in Latin
1 = mono
2 = di
3 = tri
4 = tetra
5 = penta
6 = hexa
7 = hepta
8 = octa
9 = nona
Secondly, write the symboles of the given elements:
Phosphorus is P
Sulfide is S
Finally, connect the numbers and symbols.
Rule of pronunciation: Number of first element + symbol of first element + number of second element + symbol of second element
P6S9
Please upvote.
what is the heat absorbed by 47.5g of silver (Ag) when the temperature rises by 10.0*c?( The specific heat of silver is 0.240 j/g *c )
The heat absorbed by 47.5 g of silver when the temperature rises by 10.0°C is 114 joules.
Given information,
Mass of silver (m) = 47.5 g
Specific heat of silver (c) = 0.240 J/g°C
Change in temperature (ΔT) = 10.0°C
Heat absorbed,
Q = m × c × ΔT
Where:
Q is the heat absorbed (in joules),
m is the mass of the substance (in grams),
c is the specific heat of the substance (in J/g°C),
ΔT is the change in temperature (in °C).
Now,
Q = 47.5 g × 0.240 J/g°C × 10.0°C
Q = 114 J
Therefore, the heat absorbed by 47.5 g of silver when the temperature rises by 10.0°C is 114 joules.
Learn more about heat, here:
https://brainly.com/question/31608647
#SPJ1
Sandra wants to write a letter to her city council to let them know she supports the creation of a water quality board. Which of the following facts would be best
for Sandra to include in her letter?
OA. There is an abundant supply of water in the world, so there is no danger of running out.
OB. Every organism in their community needs a safe supply of water in order to stay alive.
C. Water covers almost three-fourths of Earth's surface.
OD. Water is great for recreation because of all the sports that can be played in water.
2 of 10 Answered
Reset
Submit
Session Timer: 10:36
NO Lr
SAMSUNG
G
Session Score: 50% (1/2)
May 23
3:23 O
Every organism in their community needs a safe supply of water in order to stay alive." option B is correct
The best fact for Sandra to include in her letter would be option (B): "Every organism in their community needs a safe supply of water in order to stay alive."
This fact highlights the essential nature of water for all living organisms in the community. By emphasizing that a safe supply of water is vital for sustaining life, Sandra can effectively convey the importance of prioritizing water quality. It also underscores the potential health risks associated with inadequate water quality and the need for a water quality board to ensure the safety and well-being of the community.
The other options, (A), (C), and (D), are not as directly relevant to the purpose of advocating for a water quality board. While it is true that there is an abundant supply of water globally (option A) and water covers a significant portion of the Earth's surface (option C), these facts do not specifically address the need for a water quality board. Option (D) focuses on the recreational aspect of water, which may not be as compelling or relevant to the goal of ensuring safe water for the community's needs. option B is correct
for more such question on water visit
https://brainly.com/question/19491767
#SPJ8
Which of these pairs would form an ionic bond? K and Br, C and H, H and O, Cu and Cu.
K and Br
Explanation:Ionic bonds form through the transfer of electrons.
Ionic Bonds
Ionic bonds form when 2 atoms or molecules transfer electrons between each other. This transfer of electrons changes the atoms into ions. Ions are charged particles, and where ionic bonds get their name from. In an ionic bond, one atom will lose electrons and become positively charged; this particle is known as a cation. The atom that gains electrons and becomes negatively charged is known as an anion.
Identifying Ionic Bonds
One of the easiest ways to identify an ionic bond is by identifying the types of atoms that are bonding. In most cases, when a metal and nonmetal bond, an ionic bond will form. This is due to the large difference in electronegativity between metals and nonmetals. This leads to the metal being a cation and the nonmetal being an anion. Since K (potassium) is a metal and Br (bromine) is a nonmental, they will form an ionic bond.
To find metals and nonmetals we can look at the periodic table. Metals are on the left side of the table and make up the majority of the elements. Nonmetals are on the right side of the table.
Paleontologists have discovered a lot about animals, like dinosaurs and trilobites, that lived long ago. How do paleontologists learn how the animals of the ancient past looked and acted? O They study weather patterns of the past. O They study photographs. O They study the fish of today. O They study fossils.
Answer:
They study fossils
Explanation:
Fossils are the evidence of past life preserved in rock. They provide a view of billions of years of biological change. By examining an animals fossils, they can discover what it looked like, what it ate, where it lived, and even how it died.
Consider the heating curve for water.
Heating Curve for Water
160
140
120
100
80
60
40
20
Temperature (°C)
-20
1 2 3 4 5 6 7 8 9 10
Time (min)
At what temperature does the solid start melting?
The solid starts melting at 0°C. The heating curve for water shows the temperature changes as heat is added to the substance.
The horizontal flat line on the graph represents the phase change from solid to liquid. In the case of water, this occurs at 0°C. This is known as the melting point, or the temperature at which a substance changes from a solid to a liquid at atmospheric pressure.
It is an important characteristic of a substance and can be used to identify it. It is also important in many industrial processes, such as melting metals for casting. Therefore, understanding the melting point of a substance is crucial in various fields of science and technology.
Learn more about heating curve:
https://brainly.com/question/29592874
#SPJ1
question: The formation constant for CaY2 is 5.0 x 1010. At a pH 10, P4 is calculated to be 0.35 to give a conditional constant of 1.8 x 1010 Calculate pCa in 100ml of a solution of 0.100M Ca2+ at pH 10 after addition of 100ml of 0.100M EDTA
Answer:
1.18
Explanation:
To calculate pCa in the given solution, we need to consider the reaction between Ca2+ and EDTA and apply the conditional formation constant.
The reaction between Ca2+ and EDTA can be represented as follows:
Ca2+ + EDTA ↔ CaY2
Given:
Formation constant (Kf) for CaY2 = 5.0 x 10^10
Conditional constant (Kc) = 1.8 x 10^10
Let's assume that x moles of Ca2+ reacts with EDTA.
At equilibrium, the concentration of Ca2+ will be decreased by x moles, and the concentration of CaY2 will be increased by x moles.
The concentration of Ca2+ at equilibrium will be (0.100 - x) M in a total volume of 200 mL (100 mL Ca2+ solution + 100 mL EDTA solution).
The concentration of CaY2 at equilibrium will be x M.
According to the formation constant equation:
Kf = [CaY2] / ([Ca2+] * [EDTA])
Using the given values, we can write the equation as:
5.0 x 10^10 = x / ((0.100 - x) * 0.100)
Now, we can solve this equation to find the value of x:
5.0 x 10^10 = x / (0.010 - 0.100x)
Cross-multiplying:
5.0 x 10^10 * (0.010 - 0.100x) = x
Expanding:
0.050 x 10^10 - 0.500 x 10^10 x = x
Rearranging and combining like terms:
1.500 x 10^10 x = 0.050 x 10^10
Simplifying:
x = (0.050 x 10^10) / (1.500 x 10^10)
x ≈ 0.03333
Now, we can calculate the concentration of Ca2+ at equilibrium:
[Ca2+] = 0.100 - x
[Ca2+] = 0.100 - 0.03333
[Ca2+] = 0.06667 M
Finally, we can calculate pCa using the concentration of Ca2+ at equilibrium:
pCa = -log10([Ca2+])
pCa = -log10(0.06667)
pCa ≈ 1.18
Therefore, the pCa in 100 mL of a solution of 0.100 M Ca2+ at pH 10, after the addition of 100 mL of 0.100 M EDTA, is approximately 1.18.
why is Carbon found between the region of extreme Positivity and negativity in the periodic table: college questions
Carbon is found between the regions of extreme positivity and negativity in the periodic table due to its unique electronic configuration and bonding characteristics. carbon's position between metals and nonmetals reflects its unique ability to exhibit both metallic and nonmetallic properties, making it a versatile element.
In the periodic table, elements are arranged in order of increasing atomic number, which corresponds to the number of protons in the nucleus. Carbon has an atomic number of 6, placing it in Group 14. Carbon has four valence electrons in its outermost energy level. These electrons are crucial for carbon's ability to form a wide variety of compounds, including organic compounds. Carbon readily forms covalent bonds by sharing electrons with other atoms.
Learn more about carbon here
https://brainly.com/question/13046593
#SPJ1
In the simulation, initially no reaction occurs. What had to happen to get the reaction started? Justify your answer.
To get the reaction started in the given simulation where initially no reaction occurs between zinc (Zn) and copper (II) sulfate (CuSO4), a process called activation energy must be overcome.
Activation energy refers to the minimum energy required for a chemical reaction to occur. In the case of the reaction between zinc and copper (II) sulfate, there are a few possible methods to initiate the reaction and overcome the activation energy barrier:
1. Heat: Applying heat to the system increases the kinetic energy of the reactant particles, causing them to move more rapidly. This increased energy enables more collisions between the zinc and copper (II) sulfate reactant particles, causing them to move more rapidly. This increased energy enables more collisions between the zinc and copper (II) sulfate particles, increasing the chances of successful collisions and the likelihood of the reaction occurring.
2. Catalysis: A catalyst is a substance that lowers the activation energy of a reaction without itself being consumed in the process. Adding a suitable catalyst to the system provides an alternative reaction pathway with a lower activation energy, making it easier for the reactants to transform into products. In the case of the zinc-copper (II) sulfate reaction, certain catalysts like platinum or copper wire can facilitate the reaction.
3. Mechanical agitation: Stirring or shaking the reaction mixture increases the contact between the reactant particles, enhancing the frequency of collisions. This promotes the chances of effective collisions and increases the likelihood of successful reactions.
By implementing any of these methods, the activation energy barrier can be surmounted, allowing the zinc and copper (II) sulfate to initiate the reaction and proceed towards the formation of zinc sulfate ([tex]ZnSO_{4}[/tex]) and copper. Once the reaction begins, it can continue on its own as long as there are sufficient reactants and the reaction conditions remain favorable.
Know more about activation energy here:
https://brainly.com/question/5280701
#SPJ8
How is a polar molecule different from a non-polar molecule?
A.)Polar molecules have charges separated like poles of a magnet.
B.)Polar molecules have charges evenly distributed across their poles.
C.)Polar molecules are attracted to the lipids of the phospholipids of the plasma membrane.
D.)Polar molecules are always larger than non-polar molecules.
The polar molecule different from a non-polar molecule is option A) Polar molecules have charges separated like poles of a magnet.
Polar molecules and non-polar molecules differ in terms of their distribution of electrical charge. This results in an uneven distribution of charge, with one side of the molecule having a slightly positive charge (δ+) and the other side having a slightly negative charge (δ-).
This charge separation occurs when there is an uneven distribution of electrons within the molecule, resulting in a molecular dipole. The positive and negative charges are like the poles of a magnet, with one end being slightly positive (δ+) and the other end slightly negative (δ-).
In contrast, a non-polar molecule has an even distribution of electrons and does not have a significant separation of charges. The electrons are shared equally among the atoms in the molecule, resulting in a neutral overall charge and no distinct positive or negative ends.The correct answer is option A.
Know more about Polar molecules here:
https://brainly.com/question/1433127
#SPJ8
Iodine-131 has a half-life of 6 days, and is sometimes used in diagnostic tests. If 20g of I-131 is given in a thyroid test to a patient, after 30 days, what mass of I-131 will still be present in the patient's system, assuming none of it is lost through "natural waste removal" functions of the body?
If Iodine-131 has a half-life of 6 days. In the patient's system, after 30 days, 0.625 grams of I-131 will still be present.
To find the mass of I-131 left over in the patient's system after 30 days, use the idea of half-life decay.
I-131 has a half-life of six days, which means that every six days, its concentration will cut in half. There will be five half-lives after 30 days.
Let's find the amount of I-131 left over after each half-life:
1st half-life: 20g ÷ 2 = 10g
2nd half-life: 10g ÷ 2 = 5g
3rd half-life: 5g ÷ 2 = 2.5g
4th half-life: 2.5g ÷ 2 = 1.25g
5th half-life: 1.25g ÷ 2 = 0.625g
Thus, after 30 days, 0.625 grams of I-131 will still be left over in the patient's system, assuming no loss through natural waste removal.
Learn more about half-life, here:
https://brainly.com/question/31225097
#SPJ1
Calculate the number of moles in sulphuric acid(H2SO4) with a mass of 15.0cm3 and a concentration of 0.100moldm-3
The equation moles = volume x concentration may be used to determine how many moles of sulfuric acid (H2SO4) are present in a volume of 15.0 cm3 of a solution with a concentration of 0.100 moldm-3. As a result, there are 1.50 moles of H2SO4 in 15.0 cm3 of solution, where moles = 15.0 cm3 x 0.100 moldm-3.
The volume of the solution and its concentration must be determined in order to determine how many moles of sulphuric acid (H2SO4) are present in 15.0 cm3 of the solution with a concentration of 0.100 moldm-3. The solution's volume is specified as 15.0 cm3, and its concentration is specified as 0.100 mould cm-3.
The formula moles = volume x concentration may then be used to determine how many moles of H2SO4 are present in the solution. Consequently, the amount of H2SO4 in moles per 15.0 cm3 is 1.5 moles.
Learn more about sulphuric acid at:
https://brainly.com/question/12986533
#SPJ1
10. Based on Reference Table J, which of
the following elements will replace Pb from
Pb(NO3)2?
A) Mg
HA
B) Au C) Ag
D) Cu
Answer: A) Mg
Explanation:
Answer:
Ag will replace Pb from Pb(NO3)2.
Explanation:
Stoichiometry means relation between proportion in which compounds reacts with each other. Silver Nitrate (AgNO3) is prepared by dissolving Silver in Nitric acid and evaporating the solution.
3Ag + 4HNO3(cold and diluted) -> 3AgNO3 + 2H2O + NO
Ag+2HNO3(hot and concentrated) -> AgNO3 + H2O + NO2
