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UNO [17]
2 years ago
11

When making an observation you should provide a general description of the subject rather than going into too much detail true o

r false
Chemistry
1 answer:
vodka [1.7K]2 years ago
8 0
In an observation in an experiment, you want to write down as much detail as possible. So the answer would be false.
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Perform the following
irinina [24]

Answer:

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Explanation:

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2 years ago
What mass of ammonia can be produced if 13.4 grams of nitrogen gas reacted ?
aivan3 [116]

Answer:

If 13.4 grams of nitrogen gas reacts we'll produce 16.3 grams of ammonia

Explanation:

Step 1: Data given

Mass of nitrogen gas (N2) = 13.4 grams

Molar mass of N2 = 28 g/mol

Molar mass of NH3 = 17.03 g/mol

Step 2: The balanced equation

N2 + 3H2 → 2NH3

Step 3: Calculate moles of N2

Moles N2 = Mass N2 / molar mass N2

Moles N2 = 13.4 grams / 28.00 g/mol

Moles N2 = 0.479 moles

Step 4: Calculate moles of NH3

For 1 mol N2 we need 3 moles H2 to produce 2 moles NH3

For 0.479 moles N2 we'll produce 2*0.479 = 0.958 moles

Step 5: Calculate mass of NH3

Mass of NH3 = moles NH3 * molar mass NH3

Mass NH3 = 0.958 moles * 17.03 g/mol

Mass NH3 = 16.3 grams

If 13.4 grams of nitrogen gas reacts we'll produce 16.3 grams of ammonia

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3 years ago
Which is the goal of science to develop new technology to apply information to test hypothesis to expand knowledge
stealth61 [152]

Answer:

The goal of Science is to expand knowledge.

Explanation:

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2 years ago
As the volume of a gas increases, what happens to the pressure of the gas?
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Boyle found that when the pressure of gas at a constant temperature is increased, the volume of the gas decreases. when the pressure of gas is decreased, the volume increases. this relationship between pressure and volume is called Boyle's law.
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