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Chemistry

2 answers:

kati45 [8]3 years ago

6 0

The answers are:

1. D
2. B if it is a check all that are true it is b & d

nataly862011 [7]3 years ago

4 0

Question 1, answer is D because in liquid particles move faster than in solid. The closer the particles, the slower they move, the lesser the energy.

Question 2, answer is A because in liquid, the particles are further away than in solid

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It is desired to produce 2.25 grams of dichloromethane (CH2Cl2) by the following reaction. If the percent yield of dichlorometha

Allushta [10]

Answer:- 3.12 g carbon tetrachloride are needed.

Solution:- The balanced equation is:

$CH_4+CCl_4\rightarrow 2CH_2Cl_2$

From given actual yield and percent yield we will calculate the theoretical yield that would be further used to calculate the grams of carbon tetrachloride.

percent yield formula is:

percent yield = $(\frac{actual}{theoretical})100$