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madreJ [45]
3 years ago
13

What are the three states in which most matter occurs

Chemistry
2 answers:
Mrrafil [7]3 years ago
4 0
Solid, liquid, and gas.
Ainat [17]3 years ago
3 0
Solids, liquids, gas'
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Color change, formation of a precipitation, formation of a gas, odor change, temperature change
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A sample of nitrogen gas is collected over water at a temperature of 23.0 C. What is the pressure of the nitrogen gas if atmosph
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We first consider the gases that will be present in that sample.
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Read 2 more answers
What is the empirical formula of a compound that contains 6.10 g of hydrogen and 28 g of nitrogen?
Viktor [21]

Answer:

NH₃

Explanation:

mass H = 6.10 grams

mass N = 28.00 grams

mass cpd = (6.10 + 28.00)grams = 34.10 grams

%H/100wt = (6.10/34.10)100% = 17.9% w/w

%N/100wt = (28.00/34.1)100% = 82.1% w/w

%/100wt => grams/100wt => moles => ratio => reduce => emp ratio

%H/100wt = 17.9% w/w => 17.9g => (17.9/1)moles = 17.9 moles H

%N/100wt = 82.1% w/w => 82.1g => (82.1/14)moles = 5.9 moles N

Ratio N:H => 17.9 : 5.9

Reduce mole ratio (divide by smaller mole value) => 17.9/5.9 : 5.9/5.9

=> 3HY:1H empirical ratio => empirical formula NH₃ (ammonia)

3 0
3 years ago
Can somebody answer this please
Murrr4er [49]

The answer should be A.

7 0
3 years ago
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