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denpristay [2]
3 years ago
7

Look at the chemical equation

Chemistry
1 answer:
Zigmanuir [339]3 years ago
6 0

Answer:

it is a decomposition reaction

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When water evaporates, what happens to the molecules that make up the liquid water?
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Answer:

Evaporation happens when a liquid substance becomes a gas. When water is heated, it evaporates. The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor.

Explanation:

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A chef plans to mix 100% vinegar with italian dressing. the italian dressing contains 13% vinegar. the chef wants to make 150 mi
charle [14.2K]
To determine the volume of both concentration of vinegar, we need to set up two equations since we have two unknowns. 

For the first equation, we do a mass balance:

mass of 100% vinegar + mass of 13% vinegar = mass of 42% vinegar

Assuming they have the same densities, then we can write this equation in terms of volume.

V(100%) + V(13%) = V(42%)
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1.00x + .13y = 150(.42)
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x + y = 150
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x = 50
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Therefore, you need to mix 50 mL of the 100% vinegar and 100 mL of the 13% vinegar.

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3 years ago
What happened during the Renaissance that encouraged progress in the study of matter?
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How can you tell if a compound contains a polyatomic ion because the entire compound has?
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