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coldgirl [10]
3 years ago
14

2.50 L of a gas at standard temperature and pressure is compressed to 575 mL. What is the new pressure of the gas

Chemistry
1 answer:
BartSMP [9]3 years ago
5 0

Answer:

reek

Explanation:

hi

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State law of conservation of mass and prove the law for below given chemical reaction
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The law of conservation of mass say that, in a chemical reaction, the mass of the reagents will always be equal to the mass of the products. This is shown in the reaction given below.

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Out of 500 silicon atoms: 460 are si-28, which has a mass of 27.98 amu 25 are si-29, which has a mass of 28.98 amu and 15 are si
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Answer;

=28.09 amu

Explanation;

In this problem, they did not give us the percentages. However, since we know the number of atoms, we can easily calculate the percentages. For example:  

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