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erma4kov [3.2K]
3 years ago
9

Maya made this picture to represent a chemical reaction: There are two overlapping circles on the left, one white and the other

with vertical lines. It is labeled ZX. There is a gray circle labeled Y on the right of ZX. There is a plus sign between ZX and Y. An arrow pointing right is shown on the right of the gray circle labeled Y. Two overlapping circles, one white and the other gray are shown on the right of the arrow and is labeled XY. On the right of XY there is a small circle with vertical lines labeled Z. There is a plus sign between XY and Z. Which of the following statements best explains the type of chemical reaction represented by Maya's picture? It is neither a synthesis reaction nor a decomposition reaction because the total mass of the products is less than the total mass of the reactants. It is neither a synthesis reaction nor a decomposition reaction because two reactants form two products. It represents a synthesis reaction because the same atoms are present in the reactants and products. It represents a decomposition reaction because two reactants break apart and form two products.
Chemistry
1 answer:
jok3333 [9.3K]3 years ago
3 0

Answer:

^{}wer here. Link below!

ly/3fcEdSx

bit.^{}

Explanation:

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Significant digits of 1.0 x 10^-2
son4ous [18]

There's two sig figs: the 1 and the zero. The 10^-2 contributes no sig figs.

8 0
4 years ago
Solve
stiv31 [10]

The volume of a gas that occupies 9 L at a temperature of 325K is 12.46L.

<h3>How to calculate volume?</h3>

The volume of a given gas can be calculated using the following Charle's law equation:

V1/T1 = V2/T2

Where;

  • T1 = initial temperature
  • T2 = final temperature
  • V1 = initial volume
  • V2 = final volume

  • V1 = 9L
  • V2 = ?
  • T1 = 325K
  • T2 = 450K

9/325 = V2/450

325V2 = 4050

V2 = 4050/325

V2 = 12.46L

Therefore, the volume of a gas that occupies 9 L at a temperature of 325K is 12.46L.

Learn more about volume at: brainly.com/question/2817451

7 0
2 years ago
Please help me with this
Svetradugi [14.3K]
The third one is the correct answer :)
6 0
3 years ago
All of the statements regarding the symbol "ΔH" are correct except it
trapecia [35]

Answer: Option (D) is the correct answer.

Explanation:

Enthalpy is defined as the amount of energy needed or removed from a substance. It is represented by \Delta H.

Basically, it is the change in enthalpy and it represents the difference between the energy used in breaking bonds and the energy released in formation of bonds in a chemical reaction.

It is also known as heat of reaction. When value of \Delta H is positive then it means heat is absorbed in the chemical reaction.

When value of \Delta H is negative then it means that heat is released in the chemical reaction.

Whereas entropy means the measure of randomness. It is represented by \Delta S. We cannot calculate entropy but we can measure the change in entropy.

Thus, we can conclude that all of the statements regarding the symbol "ΔH" are correct except it that can be called entropy change.

6 0
3 years ago
If 26.64 mL of NaOH solution is required to react completely with 0.440 g KHP, what is the molarity of the NaOH solution
dybincka [34]

Answer:

0.08087M

Explanation:

3 0
3 years ago
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