Which of the following is a correctly balanced equation? A. NaClO3 → NaCl 3O2 B. 2HgO → 2Hg O2 C. 2ZnS O2 → 2ZnO 2SO2 D. 4CO Fe3O4 → 4CO2 Fe E. 2Fe 2Cl2 → 2FeCl3.

Answers

Answer 1

Answer:

yes is the anser

Explanation:

i donyt know how to be wrong

Answer 2

The correctly balanced equation among the options is 2HgO → 2Hg + O2.

BALANCING CHEMICAL EQUATION:

Balancing a chemical equation means ensuring that the number of atoms of each element on both sides of the equation are the same in accordance to the law of conservation of mass.

To balance a chemical equation, we make use of coefficients, which are numbers placed in front of the element or compound in the reaction.

According to this question, the following equation: 2HgO → 2Hg + O2, is correctly balanced because the number of atoms of Hg (2) and O (2) are the same on both sides.

Learn more about balancing chemical equations at: https://brainly.com/question/8062886


Related Questions

NEED HELP ASAP PLZZZ

Answers

Answer:

Im pretty sure the answer is A. An electron moves from the FIFTH energy level down to the SECOND energy level.

Explanation:

silver has an atomic mass of 107.868 amu. silver has two common isotopes. one of the isotopes has a mass of 106.906 amu and a relative abundace of 51.881%. a. what is the % abundance of the other isotope. b. what is the mass if the other isotope.​

Answers

A. The abundance of the 2nd isotope is 48.119%

B. The mass of the 2nd isotope is 108.905 amu

Let the 1st isotope be A

Let the 2nd isotope be B

A. Determination of the abundance of the 2nd isotope

Abundance of isotope A = 51.881%.

Abundance of isotope B =?

Abundance of B = 100 – A

Abundance of B = 100 – 51.881

Abundance of B = 48.119%

B. Determination of the mass of the 2nd isotope

Atomic mass of silver = 107.868 amu.

Mass of 1st isotope (A) = 106.906 amu

Abundance of isotope A (A%) = 51.881%.

Abundance of isotope B (B%) = 48.119%

Mass of 2nd isotope (B) =?

[tex]atomic \: mass = \frac{mass \: of \:A \times \:A\%}{100} + \frac{mass \: of \:B \times \:B\%}{100} \\ \\ 107.868 = \frac{106.906\times \ \: 51.881}{100} + \frac{mass \: of \:B \times \:48.119}{100} \\ \\ 107.868 = \: 55.464 + 0.48119 \times mass \: of \:B \\ \\ collect \: like \: terms \\ \\ 0.48119 \times mass \: of \:B = 107.868 - 55.464 \\ \\ divide \: both \: side \: by \: 0.48119 \\ \\ mass \: of \:B = \frac{107.868 - 55.464 }{0.48119} \\ \\ mass \: of \:B =108.905 \: amu \\ \\ [/tex]

Therefore, the mass of the 2nd isotope is 108.905 amu

Learn more: https://brainly.com/question/7955048

What does an atom's period tell us?
Select one:
a. Number of protons

b. Number of shells

c. Number of valence
electrons

d. Number of electron

Answers

Question;What does an atom's period tell us? Answer:

•A Number of protons

explain the concept of thekinetic molecular theory

Answers

Answer:

Kinetic Molecular Theory states that gas particles are in constant motion and exhibit perfectly elastic collisions. Kinetic Molecular Theory can be used to explain both Charles' and Boyle's Laws. The average kinetic energy of a collection of gas particles is directly proportional to absolute temperature only.

Explanation:

hope this helps! goodluck & enjoy the rest of ur day or night.

how do i set up an electron configuration

Answers

Answer:

Electron configuration can be carried out in two steps which can be:

Sublevel notation

Shell notations.

In the sublevel notation, the sequence of filling electrons into the orbitals of the sublevels are guided by some principles:

the maximum number of electrons in the orbital of sublevels are two for s-sublevel, six for p-sublevel, ten for d-sublevel and fourteen for f-sublevel. This indicates that the maximum number of electrons in an orbital is two.

Aufbau's prinicple states that sublevel with lower energies are filled up before those with higher energies.

Pauli exclusion principle states that no two electrons in an atom can have the same set of the four quantum numbers.

Hund's rule states that electrons go into degenerate orbitals singly first before pairing occurs.

Using the shell notation, numbers are used to denote the sum of electrons in all orbitals each energy level.

For an atom of Be:

Sublevel notation for the 4 electrons 1s²2s²

Shell notation 2,2

Other representation is using the electron dot structure.

Please help.

Why does the temperature change when a powder is dissolved in water?

Answers

Answer:

In order for the powder to dissolve, each powder molecule must separate from the other powder molecules and be surrounded by water molecules. This shift in arrangement either absorbs or releases energy depending on the situation. It is due to the exchange of energy that the temperature of the solution fluctuates.

Explanation:

:)

What is the molarity of a solution of 3.0 mol of KCl in 4.0L of water?

Answers

The number of moles of a solute per liter of solution is measured using the unit of concentration known as molarity.

Thus, The approach for resolving molarity issues is quite straightforward. This describes an easy way to figure out how molarity of a solution.

Remembering the units of molarity (M): moles per liter, is the key to calculating molarity. Calculate how many moles of the solute are dissolved in a solution's liter volume to determine its molarity.

The molarity of a solution made by combining 23.7 grams of KMnO4 with 750 mL's worth of water. You must first determine the amount of moles of the solute because this example lacks the liters or moles required to determine molarity.

Thus, The number of moles of a solute per liter of solution is measured using the unit of concentration known as molarity.

Learn more about Molarity, refer to the link:

https://brainly.com/question/31545539

#SPJ1

Other Questions
what is the name of the first black peanuts character? Can someone please help Each cube in this solid figure is a unit cube.What is the volume of this solid figure?Enter your answer in the box. How are all atoms of silver alike, but different from atoms of other elements?A. All atoms of silver have the same mass.B. All atoms of silver have the same atomic number,C. All atoms of silver have the same number of neutrons.D. All atoms of silver have the same number of subatomic particles. which of the following statement does not describe the characteristic of a good melody and a good melodyA. tell storiesB. is easily forgottenC. oftentimes using stepwise motionD. give list inertia one thing to remember and think aboutanswer please I shall give the right answer brainliest Two mechanics worked on a car. The first mechanic charged $75 per hour, and the second mechanic charged $45 per hour. The mechanics worked for acombined total of 25 hours, and together they charged a total of $1425. How long did each mechanic work? what percent of 75cm is 5cm what are 43.68 use compatible numbers using the quotient 40 in^2 to cm^2Have to find the cm Read the poem.Americaby Walt WhitmanIn this poem, Whitman describes American values, such as freedom and equality, that unify the nation and set America apart from other nations.Centre of equal daughters, equal sons,All, all alike endeard, grown, ungrown, young or old,Strong, ample, fair, enduring, capable, rich,Perennial with the Earth, with Freedom, Law and Love,A grand, sane, towering, seated Mother,Chaird in the adamant of Time.PROVIDE A IMAGE AND PROOF OF THE RIGHT ANSWER FOR VERIFICATION AND PROOF THAT ITS RIGHT!Which line from "America" best conveys the idea that Whitman believes America values its citizens equally?"A grand, sane, towering, seated Mother,""All, all alike endeard, grown, ungrown, young or old,""Strong, ample, fair, enduring, capable, rich,""Chaird in the adamant of Time." Expand and simplify (10-2) Give your answer in the formn b-c5 where b and c are integers Write a newspaper article on corruption. If you spin the spinner 24 times, what is the best prediction possible for the number of times it will land on pink? Para qu profesiones NO es necesario tomar clases universitarias? Terrorism is often ______ motivated.culturallysociallyregionallypolitically HELP ME OUT PLEASE!!! Determine which graph shows y as a function of x. What is interpersonal One weekend Bill earned 3 times as much as Jim. Tom earned $5 more than Jim. In all, they earned $60. How much did each earn? How does the kitchen setting affect both Arturo and martn I-ready quiz Death By Soap Monsters