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Oliga [24]
3 years ago
12

Which of the following is equal to 4 kilograms?

Chemistry
2 answers:
Mariulka [41]3 years ago
6 0
A. 4,000 g is the answer

1kg = 1000g
bezimeni [28]3 years ago
3 0
4 kg= 4,000 g

The correct answer is a. 4,000 g~
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How many moles of Au2S3 is required to form 56 grams of H2S at STP?
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Answer:

0.55 mol Au₂S₃

Explanation:

Normally, we would need a balanced equation with masses, moles, and molar masses, but we can get by with a partial equation, if the S atoms are balanced.

1. Gather all the information in one place:

M_r:                          34.08

          Au₂S₃ + … ⟶ 3H₂S + …  

m/g:                             56  

2. Calculate the moles of H₂S

Moles of H₂S = 56 g H₂S × (34.08 g H₂S/1 mol H₂S)

                      = 1.64 mol H₂S

3. Calculate the moles of Au₂S₃

The molar ratio is 1 mol Au₂S₃/3 mol H₂S.

Moles of Au₂S₃ = 1.64 mol H₂S × (1 mol Au₂S₃/3 mol H₂S)

                         = 0.55 mol Au₂S₃

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3 years ago
A large company has recently suffered a traumatic workplace shooting. What forensics professional will executives most
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Answer:

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A bar graph of boiling point of milk and water​
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2 years ago
How does elements and compounds reacting together is essential in everyday matters?
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3 years ago
What is a wet celled battery composed of? Give an example of a wet celled battery.
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Answer:

A wet-cell battery is the original type of rechargeable battery.

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Explanation:

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