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zhuklara [117]
3 years ago
7

What would happen if you left your dichloromethane/ethanol solvent mixtures uncovered?

Chemistry
1 answer:
Viktor [21]3 years ago
3 0
Dichloromethane/ethanol solvent mixtures are substances composed of compounds that has a very high volatility. The higher the volatility of the substances, the faster it is for them to vaporized. 

If we leave the solution or the mixture uncovered then, it is easier for the vapors produced to escape the system to the atmosphere. 
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if you react 100g of ammonium chloride with excess calcium oxide, what Is the theoretical yeild (in grams) of ammonia? when you
Maurinko [17]

Answer:

31.78 grams

25.55%

Explanation:

The balanced reaction for ammonium chloride with calcium oxide will be:

2NH4Cl + Ca(OH)2 ---> CaCl2 + 2NH3 + 2H2O

The molecular weight for ammonium chloride(NH4Cl ) is 53.49g/mol, while the molecular weight for ammonium(NH3) is 17g/mol. The number of theoretical yield of ammonia from 100g of ammonium chloride will be:

100g / (53.49g/mol) * 2/2  * 17g/mol= 31.78 grams

If the actual yield is 8.12g, the percent yield will be: 8.12g/31.78g * 100% =25.55%

4 0
3 years ago
What is the photoelectric effect?
scZoUnD [109]
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7 0
3 years ago
Which in the following best describe carbon
Alina [70]
I just know it’s not conductive or brittle
4 0
3 years ago
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A sample of mass 6.814 grams is added to another sample weighing 0.08753 grams.
mylen [45]

Answer:

17.5609grams

Explanation:

According to the question, a sample of mass 6.814 grams is added to another sample weighing 0.08753 grams i.e.

= 6.814 + 0.08753

= 6.90153 grams

The result of this mixture i.e. 6.90153 grams is divided into three equal parts i.e.

= 6.90153 ÷ 3

= 2.30051 grams

This means that each equal part weighs 2.30051 grams

One of the yield (2.30051 grams) is multiplied by 7.6335 times i.e.

= 2.30051 × 7.6335

= 17.56094309

Hence, the final mass is 17.5609grams

8 0
3 years ago
QUICKKKK THANKSSSSS!!!The following reaction shows calcium chloride reacting with silver nitrate.
weqwewe [10]

Answer:

answer is 77.45grams you use stoichimetric formula by comparing CaCl2 and Agcl

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3 years ago
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