Answers
The reactants are the one to the left side, so they are Cu and HNO₃.
Their coefficients are 3 and 8, so for each 3 Cu that reacts, we will need 8 HNO₃
The Limiting reactant is the one that we have less considering the proportions they will react.
Let's see the two possible cases.
If we have 1 mol of Cu, we need to divide it by its coefficient and multiply it by the coefficient of HNO₃:
HNO₃ --- Cu
8 --- 3
[tex]\begin{gathered} \frac{n_{HNO_3}}{8}=\frac{n_{Cu}}{3} \\ n_{HNO_3}=\frac{8n_{Cu}}{3}=\frac{8\cdot1}{3}mol=\frac{8}{3}mol=2.666\ldots mol \end{gathered}[/tex]This means that we need about 2.7 mol of HNO₃ to react all the 1 mol of Cu we have.
Since we have 1 mol of HNO₃, we don't have enough.
If we make the other way around, we will get the following:
1 mol of HNO₃, so we need:
Cu --- HNO₃
3 --- 8
[tex]\begin{gathered} \frac{n_{Cu}}{3}=\frac{n_{HNO_3}}{8} \\ n_{Cu}=\frac{3n_{HNO_{3}}}{8}=\frac{3\cdot1}{8}mol=0.375mol \end{gathered}[/tex]So, we would need 0.375 mol of Cu to react with all 1 mol of HNO₃ we have, and since we have 1 mol of Cu, this is enough.
So, we have two pos
Related Questions
the majority of the volume of the atom is located in the
Answers
The nucleus is the atom's central core and contains more than 99.9 percent of its mass. Surrounding the nucleus is a cloud of electrons, which makes up most of the atom's volume.
2.026666666666667 in scientific notation
Answers
The scientific notation of 2.026666666666667 is:
2.026666666666667 x 10⁰E
What is scientific notation?Scientific notation is a method of expressing numbers that are either too large or too small to be written in decimal form. It is also known as scientific form or standard index form.The Scientific format represents a number in exponential notation by replacing a portion of it with E, where E (exponent) multiplies the preceding number by 10 to the nth power. A 2-decimal scientific format, for example, displays 12345678901 as 1.23E+10, which is 1.23 times 10 to the 10th power.
The following are the scientific notation rules:
The base should always be ten.The exponent must be a non-zero integer, which can be positive or negative.The coefficient's absolute value is greater than or equal to one, but less than ten.Coefficients can be positive or negative numbers, both whole and decimal.The remainder of the significant digits of are carried by the mantissa.Here given , 2.026666666666667
A scientific notation number always has the form
a x 10ᵇ
where |a| is greater than or equal to one but less than ten and b is an integer
Because 2.0266666666667 is already greater than or equal to 1 and less than 10, we can simply rewrite it as
2.026666666666667 x 1
According to one of the index laws, any non-zero number raised to the power of 0 equals 1.
We can specifically state that
1 = 10⁰
as well as rewriting 2.0266666666667 in scientific notation as
2.026666666666667 x 10⁰E
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As a sample of lodine-131 decays, its half-life
1) increases
2) decreases
3) remains the same I
Answers
Answer:
As a sample of lodine-131 decays, its half-life
3) remains the same
How long does it take a radio signal from the voyager spacecraft to reach earth if the distance between voyager and earth is 2.72 x 109 km
Answers
The time taken for the radio signal from the voyager spacecraft to reach earth is 9066.67 s
How to determine the timeWe'll begin by obtaining an equation to determine the time. This is illustrated below
We know that speed is defined
Speed = distance / time
Cross multiply
Speed × time = distance
Divide both side speed
Time = distance / speed
With the above formula, we can obtain the time. Details below.
The following data were obtained from the question give above:
Distance = 2.72×10⁹ KmSpeed of radio signal = 3×10⁸ m/s = 3×10⁸ / 1000 = 300000 Km/sTime =?Time = distance / speedTime = distance / speed
Time = 2.72×10⁹ / 300000
Time = 9066.67 s
Thus, we can conclude that the time required is 9066.67 s
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How many grams of ammonium chloride are formed when 1.1 L of hydrogen chloride gas and 1.1 L of ammonia gas react? The density of the hydrogen chloride gas is 1.6 g/L and the density of ammonia is 0.77 g/L.
Answers
Grams of ammonium chloride are formed when 1.1 L of hydrogen chloride gas and 1.1 L of ammonia gas react. The density of the hydrogen chloride gas is 1.6 g/L and the density of ammonia is 0.77 g/L is 1.068 g.
given that :
volume of hydrogen chloride gas = 1.1 L
volume of ammonia = 1.1 L
Density of hydrogen chloride gas = 1.6 g/L
Density of ammonia = 0.77 g/L
the reaction is :
NH₃ + HCl ---> NH₄Cl
mass of HCl = D × v
= 1.6 × 1.1 = 1.76 g
mass of ammonia = 0.77 × 1.1 = 0.84 g
no. of moles of ammonia = mass / molar mass
= 0.84 / 36.4
= 0.02 mol
1 mole of ammonia produced 1 mole of NH₄Cl
therefore, 0.02 mol of ammonia produce = 0.02 mole of NH₄Cl
mass of NH₄Cl , ammonium chloride = no. of moles × molar mass
= 0.02 × 53.4
= 1.068 g
Thus, Grams of ammonium chloride are formed when 1.1 L of hydrogen chloride gas and 1.1 L of ammonia gas react. The density of the hydrogen chloride gas is 1.6 g/L and the density of ammonia is 0.77 g/L is 1.068 g.
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tell me what would happen if we did not have each of the different connective tissues.
Answers
Answer: If your body lacks connective tissues, you will be unable to walk or lift anything. These tissues, which include muscle fibers, bones, tendons, ligaments, and so on, allow each bodily part to communicate with one another. Without them, everything would move isolatedly - which is why they are important for movement as well as stability.
Explanation:
what is the purpose of calibrating the calorimeter? group of answer choices account for any light energy added to the calorimeter caused by the overhead lights account for any heat loss caused by using an imperfect calorimeter to check that the thermometer is working properly to make sure the cup doesn't have any water leaks
Answers
The calorimeter is calibrated to check that the thermometer is working properly. Therefore, option (C) is correct.
How to calibrate a calorimeter?A calorimeter can be described as a device that can measure the heat released or absorbed in a chemical reaction. In a calorimeter, a thermometer is placed through the small opening to measure the temperature. Calibrating a calorimeter is a relatively simple process.
The technique used to measure the amount of heat involved in a process is called calorimetry. The heat is exchanged with a calibrated object and the change in temperature of the calorimeter is converted into the amount of heat.
The measurement of heat transfer using this approach requires the definition of a system and its surroundings. Bomb calorimeters need calibration to find the heat capacity of the calorimeter and ensure accurate results. The calibration is performed each time before the calorimeter is used.
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Which chemical property of alkanes is responsible for generating electricity in diesel
power stations or for moving motor vehicles?
Answers
According to the Chemical property of Alkanes, It is relatively unreactive which is responsible for generating electricity in diesel.
Alkanes do not react with strong acids, bases, oxidizing, or reducing agents (reductants). Alkanes combust (react quickly with oxygen), releasing energy, and making them useful as fuels.
Alkanes are saturated hydrocarbons that burn easily in the air with a blue non-sooty flame, releasing a large amount of heat and light energy. This heat energy can be used to heat water, cook food, and power machines in factories and thermal power plants. That is why they are such good fuels.
Methane, ethane, propane, and butane are all gases that can be burned directly as fuel.
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Which sentence best describes the concept of Redshift?
Answers
Answer:
'Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.
Something similar happens to sound waves when a source of sound moves relative to an observer. This effect is called the 'Doppler effect' after Christian Andreas Doppler, an Austrian mathematician who discovered that the frequency of sound waves changes if the source of sound and the observer are moving relative to each other.
If the two are approaching, then the frequency heard by the observer is higher; if they move away from each other, the frequency heard is lower.
There are many everyday examples of the Doppler effect - the changing pitch of police and ambulance sirens, or train whistles and racing car engines as they pass by. In every case, there is an audible change in pitch as the source approaches and then passes an observer.
Everyone has heard the increased pitch of an approaching police siren and the sharp decrease in pitch as the siren passes by and recedes. The effect arises because the sound waves arrive at the listener's ear closer together as the source approaches, and further apart as it recedes.
Light behaves like a wave, so light from a luminous object undergoes a Doppler-like shift if the source is moving relative to us. Ever since 1929, when Edwin Hubble discovered that the Universe is expanding, we have known that most other galaxies are moving away from us. Light from these galaxies is shifted to longer (and this means redder) wavelengths - in other words, it is 'red-shifted'.
Since light travels at such a great speed relative to everyday phenomena (a million times faster than sound) we do not experience this red shift in our daily lives.
The red shift of a distant galaxy or quasar is easily measured by comparing its spectrum with a reference laboratory spectrum. Atomic emission and absorption lines occur at well-known wavelengths. By measuring the location of these lines in astronomical spectra, astronomers can determine the red shift of the receding sources.
However, to be accurate, the red shifts observed in distant objects are not exactly due to the Doppler phenomenon, but are rather a result of the expansion of the Universe.
Doppler shifts arise from the relative motion of source and observer through space, whereas astronomical redshifts are 'expansion redshifts' due to the expansion of space itself.
Two objects can actually be stationary in space and still experience a red shift if the intervening space itself is expanding.
A convenient analogy for the expansion of the Universe is a loaf of unbaked raisin bread. The raisins are at rest relative to one another in the dough before it is placed in the oven. As the bread rises, it also expands, making the space between the raisins increase.
If the raisins could see, they would observe that all the other raisins were moving away from them although they themselves were stationary within the loaf. Only the dough - their 'Universe' - is expanding.
the first step in the preparation of magnesium metal is the precipitation of mg(oh)2 from sea water by the addition of ca(oh)2. the concentration of mg2 (aq) in sea water is 5.37 × 10–2 m. calculate the ph at which [mg2 ] is decreased to 1.0 × 10–5 m
Answers
The first step in the preparation of magnesium metal is the precipitation of Mg(OH)₂ from sea water by the addition of Ca(OH)₂ the concentration of Mg₂ (aq) in sea water is 5.37 × 10⁻² m then ph at which [Mg₂ ] is decreased to 1.0 × 10⁻⁵ m is 1.27
Magnesium is the element and also one of the alkaline earth metal and metallic magnesium is prepared either by electrolysis of molten MgCl₂ or by metallothermic reduction of its halides by alkali or alkaline-earth metals
Here given data is concentration = 5.37 × 10⁻² m
We have to find pH= ?
pH = -log[HA]
pH = -log[Mg₂]
pH = -log[5.37 × 10⁻² m]
pH = 1.27
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allegra (shown below) is a pharmaceutical used for allergy relief. what is the maximum number of stereoisomers possible for this structure?
Answers
Allegra a pharmaceutical product has one possible stereoisomerism and is used for getting relief from allergy
Chiral carbons in the molecule are linked to stereo-genic carbon. Chiral molecules typically have four non-identical substituents on at least one carbon atom.
Complete response: Fexofenadine is marketed under the name Allegra by pharmaceutical companies. It is a well-known antihistamine medication used to treat allergy symptoms like hay fever and urticaria.
We must understand the structure of stereo-genic carbon atoms in order to determine whether stereo-genic carbons are present in Allegra molecules. The "centre of chirality" is a stereogenic carbon atom. As a result, it is connected to chiral carbon atoms.
An asymmetric carbon atom with four different atoms or groups of atoms connected to it is called chiral carbon. There are two optical isomers for each chiral carbon in a given molecule. It is obvious from the molecular structure that the carbon atom at the extreme right is not joined to four separate groups. In its place, there are two methyl groups.
As a result, the structure contains one stereogenic carbon. An atom, often carbon, that has four distinct attachments is referred to as a stereo-centre. Since each attachment is distinct, a new molecule can be created by shifting any two attachments into a different position.
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Identify the equipment best suited for extinguishing each type of fire.
a. small benchtop fire
b. clothing fire
c. large fire on floor
1. fire extinguisher
2. fire extinguisher
3. fire blanket
Answers
The extinguisher equipment best suited for extinguishing each type of fire is given below.
Small benchtop fire: Overturned beaker
Large fire on the floor: Fire extinguisher
Clothing fire: Fire blanket
Fire extinguishers are equipment that is generally used to put out fires in emergency situations.
In a fire extinguisher container, a liquified version of carbon dioxide gas is used to extinguish the fire.
For extinguishing fire in a small benchtop fire, the kind of fire extinguisher that is used is called overturned beaker.
Similarly, if a cloth catches fire, then putting a blanket on it or wrapping it around it can extinguish the fire. The reason being a blanket is a thick piece of cloth and does not allow air to pass through it quickly, Thus, it can be quite helpful in times of emergency.
On the other, if a large area catches fire, then a fire extinguisher must be used as it contains liquid carbon dioxide that excludes the oxygen from that area and keeps the fire under control.
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Add a 2s sublevel orbital to your model by placing it on the 1s sublevel orbital Presently, you have two electrons in the 1s orbital. What is the maximum number of electrons for the 2s orbital?________ If an atom has three electrons, into which orbitals would they go?__________ This is the electron structure of what atom?_______
Answers
Answer: 3 or 4
Explanation:it would be air because it’s structurally atom is 3
Calculate AH°rxn from AH°7 values (use table in textbook appendix) a) Cl2 (g) + 2 Na (s) -› 2 NaCl (s) EITHER -411.1kJ/mol b) 2 H2S (g) + 3 02 (g) -> 2 SO2 (g) + 2 H20 (g)
Answers
To find AH°rxn, we use the following equation:
What we're going to do is to sum the enthalpy of the products and then substract with the enthalpy of the reactives:
As you can see, we need to multiply by the coefficients of the reaction.
Now, just replace the values of the table:
So the answer is -822.2kJ/mol.
For b:
Now, just replace the values of the table:
The answer for b is -1036kJ/mol.
Help emergency plsss!!!!
Answers
also could i have brainliest pls?
calculate the volume of titrant required to reach the endpoint. calculate the volume in ml of a 0.200 m naoh solution needed to neutralize 345 ml of 0.0333 m c₆h₈o₇ standard solution.
Answers
According to the concept of molar concentration, 57.44 ml of 0.2 M NaOH is required for neutralization of 345 ml of of 0.0333 C₆H₈O₇ solution.
What is molar concentration ?Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.
The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.
In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.
For the given problem, in case of 2 solutions it is found out as,
M₁V₁=M₂V₂
On substitution,V₁=345×0.0333/0.2=57.44 ml.
Thus, 57.44 ml of NaOH is required for neutralization of C₆H₈O₇ solution.
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Select the correct answer.
A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles?
Group of answer choices
Answers
please help asap (i just need B)
Answers
The final pressure of the reaction is found to be 49.81 torr and the half life of the decomposition of dimethyl ether is 1019.11 seconds.
The decomposition of dimethyl ether at 540 degrees Celsius is a first order reaction,
The relation between the initial pressure and final pressure in the first order reaction is,
-Kt = ln[P]/[Pₙ]
Where,
K is the rate constant,
P is the final pressure,
Pₙ is the final pressure,
t is the time period.
(a) the initial pressure is 135 torr, the rate constant K is 6.8 x 10⁻⁴ s⁻¹, time period is 1420 seconds,
Putting all the values in the formula,
-Kt = ln[P]/[Pₙ]
6.8 x 10⁻⁴ x 1420 = ln[135]/[Pₙ]
0.9656 = ln[135]/[Pₙ]
Here, 0.9656 ≈ 1, and e = 2.71
e¹ = 135/Pₙ
Pₙ = 135/2.17
Pₙ = 49.81 torr.
(b) The half life of a first order reaction is given by,
T = 0.693/K
Where,
T is the half life,
K is the rate constant,
Putting the values
T = 0.693/ 6.8 x 10⁻⁴
T = 1019.11 seconds.
So, half life is 1019.11 seconds.
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How are a substance and a solution similar? How are they different?
Answers
A substance and a solution have both uniform composition throughout. A substance is a matter that is uniform in composition and can be an element or compound. A solution is another name for homogeneous which is a mixture.
The difference of substances and solution, a substance has a definite composition and a solution has a variable composition. It is also uniform in composition, but a solution is made by combining two or more substances.
What is Solution ?
In chemistry, a solution is a homogeneous mixture of two or more compounds in their relative proportions. The composition of the solution can be continually changed up to the solubility limit. Although solutions of gases and solids are possible, the term "solution" is most frequently used to refer to the liquid condition of matter. Brass is a solution made of copper and zinc, whereas air is primarily an oxygen and nitrogen mixture with minute amounts of other gases.
A substance and a solution have both uniform composition throughout. A substance is a matter that is uniform in composition and can be an element or compound. A solution is another name for homogeneous which is a mixture.
The difference of substances and solution, a substance has a definite composition and a solution has a variable composition. It is also uniform in composition, but a solution is made by combining two or more substances.
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Which of the following equations represents the law of conservation of mass?
A-2H + 2O -->2H2O
B-2H2O -->2H2 + O2
C-H2O -->H2 + O2
D-H2 + O2 -->H2O + H2O2
Answers
Equations represents the law of conservation of mass is 2H₂O → 2H₂ + O₂
Law of conservation of mass stated that energy neither be created nor destroyed called as law of conservation of mass and as the same no of each atom present in the both side of the reaction this reaction represents the law of conservation of mass so in the equation 2H₂O → 2H₂ + O₂ the energy cannot be created nor destroyed water can form 2 mole of hydrogen and 1 mole of oxygen which form water
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write the balanced net ionic equation for the reaction when agc₂h₃o₂ and ni(clo₄)₂ are mixed in aqueous solution. if no reaction occurs, simply write only nr. be sure to include the proper phases for all species within the reaction.
Answers
From the question, we would have the balanced ionic equation as; 2Ag^+(aq) + (ClO₄)₂^-(aq) -------> 2Ag(ClO₄)₂ (s)
What is a balanced reaction equation?We know that a reaction equation is said to be balanced when the number of atoms of the elements on the reactants side is equal to the number of atoms of the same element on the products side. This is achieved by the process that we call an atom count. After we add the necessary stoichiometric coefficients that we think would help us to be able to obtain the number of atoms that could be used to balance the equation as shown.
In this case, we are required to write the balanced reaction equation for the reaction when AgC₂H₃o₂ and Ni(ClO₄)₂ are mixed in aqueous solution.
We would then have in this case;
2AgC₂H₃o₂ (aq) + Ni(ClO₄)₂ (aq) -------> 2Ag(ClO₄)₂ (s)+ Ni(C₂H₃o₂)2 (aq)
Net ionic equation is;
2Ag^+(aq) + (ClO₄)₂^-(aq) -------> 2Ag(ClO₄)₂ (s)
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Which of the following statements is false?
A. Knowledge of chemistry allows the public to make informed decisions.
B. Studying chemistry ensures that officials make correct choices in funding technology.
C. Knowledge of chemistry helps prepare people for careers in soil science.
D. Chemistry explains many aspects of nature.
Answers
Explanation:
calculate the molar mass of the following compounds
How does the length of the carbon chain change the importance of London Dispersion Forces versus Hydrogen bonding in the boiling point of an organic molecule?
Answers
The length of the carbon chain increases the importance of London Dispersion Forces compared to Hydrogen bonding the boiling point of an organic molecule.
What are intermolecular forces?Intermolecular forces are forces that exist between the molecules of a compound or element.
Intermolecular forces account for the physical state in which a compound or an element exists.
The intermolecular forces that exist between molecules of compounds or elements include:
London dispersion forcesDipole-dipole forces, and Hydrogen bondingLondon dispersion forces are intermolecular forces that exist as a result of temporary dipoles that exists due to the distribution of electrons between atoms in a compound in a compound or element.
London dispersion forces are the weakest intermolecular forces but become stronger with an increase in the number of electrons in the compound.
In organic compounds, an increase in the lentgth of the carbon chain means that more electrons are present for sharing, hence London dispersion forces become stronger with an increase in carbon length in organic compounds.
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1-80 in Og CARBONATED WATER, HIGH FRUCTOSE CORN SYRUP AND LESS THAN 2% OF: GINGER EXTRACT, NATURAL FLAVORS, CITRIC ACID, SODIUM BENZOATE (PRESERVATIVE), CARAMEL COLOR. PRODUCED UNDER THE AUTHORITY OF DR PEPPER/SEVEN UP, INC., 5301 LEGACY DRIVE, PLANO, TX 75024. TM&2019 DR PEPPER/SEVEN UP, INC.
Answers
Water that has dissolved carbon dioxide gas in it is referred to as carbonated water. This gas can be added to water intentionally under pressure or naturally through geological processes. The water becomes fizzy due to the formation of tiny bubbles from carbonation.
A sweetener manufactured from maize starch, high-fructose corn syrup is sometimes referred to as glucose-fructose, iso-glucose, and glucose-fructose syrup. Similar to how regular corn syrup is made, enzymes convert the starch in the starch into glucose.
To help prevent or treat nausea and vomiting caused by motion sickness, pregnancy, and cancer chemotherapy, health care professionals may now use ginger. It may possibly be used to treat cardiac problems. It is also used to alleviate moderate stomach upset and to lessen osteoarthritis pain.
Organic compound HOC(CH2CO2H)2 is the formula for citric acid. Citrus fruits naturally contain it. It is a biochemical intermediary in the citric acid cycle, which is a component of all aerobic organisms' metabolism.
The sodium counterpart of benzoic acid, sodium benzoate, is a common food preservation and pickling agent. It is a white, crystalline substance with the chemical formula C6H5COONa.
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chicken wing
Part 1: Tendon: Give a description of the Tendon's color, texture, etc. (half a point)
Part 2: Tendon: The Tendon is attached to what tissue? (half a point)
Answers
The answers include the following:
The tendon of a chicken wing has a white color and a smooth texture.The tendon is attached to muscle and bones.What is a Tendon?Tendons are connective fibrous tissues that attaches muscle to bone and they have a bright white color together with a strong and smooth appearance which can be observed when studied.
Tendons are very important as they help in ensuring that the movement of parts of the body are easy due to its holding some structures such as ligaments in place. It is present in all bone joints due to its numerous functions in the musculoskeletal system of organisms.
The tendon is very flexible and binds the muscles in the body to other structures which is why it is referred to as a connective tissue and the above answers are the most appropriate.
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why do isotopes of the same element have different number of neutrons?
Answers
Answer:Because to make up an atom you need different isotopes
Explanation: Because if you didnt you would have the same amount.
of the five elements sn, si, sb, o, te, which has the most endothermic reaction? (e represents an atom.) what name is given to the energy for the reaction?
Answers
E(g)E+(g)+e is the designation given to the reaction's energy.
Endothermic reactions: what are they?An endothermic reaction is what? Chemical reactions known to as thermally activated reactions take place when the reagents take in thermal energy from their environment and produce byproducts. These reactions produce a cooling effect by bringing the heat of the space around them down.
What is an example of an endothermic reaction?Respiration, evaporation fluids, ice melting, ice particles, alkane splitting, thermal degradation, ammonium chloride in water, and many other processes are examples of endothermic processes. Endo means "to absorb," and thermo means "heat," as the name suggests.
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The product side of a chemical reaction is shown.
→ 7Ti2(SO4)3
Which number represents a coefficient?
Answers
The number that represents the coefficient on the product side of the chemical reaction, [tex]-- > 7Ti_2(SO_4)_3[/tex] is 7.
Coefficients of chemical equationsIn equations representing chemical reactions, the coefficient of each reactant or product of a reaction is the number that comes on the left-hand side just before the chemical formula.
The coefficient of each species in a chemical reaction is obtainable when the equation of the reaction is balanced.
For example, in the following equation: 2A + B = 3C + D
The coefficients of A, B, C, and D are 2, 1, 3, and 1 respectively.
Applying this to the product side of a chemical reaction; [tex]-- > 7Ti_2(SO_4)_3[/tex]
It means that the coefficient of the product is 7.
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When chemical reactions occur, why are atoms ionized? Please answer in a basic chemistry terms.
Answers
Answer: Ionization is a chemical reaction itself. In chemistry and physics, ionization is a process where electrically neutral atoms become charged atoms by gaining or losing an electron. If an atom (or molecule) loses an electron, it becomes positively charged (aka a cation). Conversely, if an atom gains an electron, it becomes negatively charged (aka an anion). In either case, the electrical balance changes within an atom.
Explanation: A classic example of this would be sodium and chlorine combining to create salt. In this reaction, the sodium atom gives up one electron (making it positively charged) and the chlorine atom receives the electron (making it negatively charged).
What reaction would the chemical equation 2H₂O → 2H₂ + O₂ represent?
O combustion of water
O formation of water
O decomposition of water
O replacement of water
Answers
Answer:
decomposition of water
Explanation:
A combustion reaction involves carbon dioxide so it can't be that The water is not being formed The water is not replaced by the other molecules
So it is decomposition, not just from process of elimination, but also because decomposing water means heating it.
