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Ad libitum [116K]
2 years ago
8

Burning coal releases the following pollutants except

Chemistry
1 answer:
Jobisdone [24]2 years ago
8 0
B stratospheric zone
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The expected value for a chemical equation is 47g of water, after an experiment you find that you have 2.58 moles of water. What
strojnjashka [21]
<h3><u>Answer</u>;</h3>

Actual yield = 46.44 g

<h3><u>Explanation;</u></h3>

1 mole of water = 18 g/mol

Therefore;

The experimental yield = 2.58 moles

equivalent to ; 2.58 × 18 = 46.44 g

The theoretical value is 47 g

Percentage yield = 46.44/47 × 100%

                             = 98.8%

The questions asks for actual yield = 46.44 g

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Q1: sort your numbers into numerical order so you can determine the highest and lowest measured values. and then subtract the lowest measured value from the highest measured value. Now determine that the answer is the precision.

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Which event must always occur for a chemical reaction to occur
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There must be effective collisions between the reacting chemical particles in order for the chemical reaction to occur.
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Identify all actions that you should take if you have chipped or broken glassware. Notify your teacher. Have the custodian clean
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Explanation:

If you have chipped or broken glassware then it is very important that you should take precaution yourself by conveying about it to your teacher and class mates.

By doing so you are making everybody aware to be cautious of the chipped or broken glassware.

Also, it is advised that you should dispose of it in the designated glass waste area.

Therefore, we can conclude that all actions that you should take if you have chipped or broken glassware as as follows.

  • Notify your teacher.
  • Notify classmates.
  • Dispose of it in the designated glass waste area.
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2 years ago
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