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weeeeeb [17]
3 years ago
5

Ground water has some minerals dissolved in it. If you heat this water, collect the vapor in another container, and then cool it

, you will get pure, or distilled, water. What makes this process a physical change?
It forms a new substance (minerals), which is a physical change.
It forms a new substance (water vapor), which is a physical change.
It changes the color of water, which is a physical change.
It changes the molecular structure of water, which is a physical change.
It separates dissolved substances, which is a physical change.
NextReset
Chemistry
2 answers:
ale4655 [162]3 years ago
8 0
B IS THE ANSWER THANK YOU FOR ALL THE PEPOLE THAT ANSWER MY QUESTION MAHALO!!!!!!
Sonbull [250]3 years ago
4 0
It would be B. Because it forms a new substance (water vapor) which is a physical change.
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The material which requires the most heat to raise its temperature from 10°C to 30°C is oil.

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The formula which we used to calculate the amount of involved heat in relation with specific heat is:

Q = mcΔT, where

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Among the given materials, specific heat of oil is highest than other materials so will require maximum absorbed heat.

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motikmotik

Answer:

Zn + 2HCl → ZnCl2 + H2

Explanation:

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The complete equation is given below:

Zn+ HCl → ZnCl2 + H2

Now we can balance the equation by doing the following:

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Zn + 2HCl → ZnCl2 + H2

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