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mina [271]
3 years ago
6

What is 10.5g equal to in kg

Chemistry
1 answer:
Natasha2012 [34]3 years ago
8 0
The conversion would be 0.0105 KG.

Hope I helped :)))

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If 12 gallons of gasoline cost $34.68, what is the unit price per gallon?
chubhunter [2.5K]
The answer is $2.89.

Since it’s asking for the unit price of one gallon and you have the total ($34.68 and 12 gallons), you would divide $34.68 from 12, which gives you $2.89.

34.68/12 = 2.89
5 0
2 years ago
To test the purity of sodium bicarbonate, you dissolve a 3.50g sample in water and add sulfuric acid. if 1.04g of carbon dioxide
Andrews [41]

Answer is: the percent purity of the sodium bicarbonate is 56.83 %.

1. Chemical reaction: 2NaHCO₃ + H₂SO₄ → 2CO₂ + 2H₂O + Na₂SO₄.

2. m(NaHCO₃) = 3.50 g

n(NaHCO₃) = m(NaHCO₃) ÷ M(NaHCO₃).

n(NaHCO₃) = 3.50 g ÷ 84 g/mol.

n(NaHCO₃) = 0.042 mol.

3. From chemical reaction: n(NaHCO₃) : n(CO₂) = 1 : 1.

n(CO₂) = 0.042 mol.

m(CO₂) = 0.042 mol · 44 g/mol.

m(CO₂) = 1.83 g.

4. the percent purity = 1.04 g/1.83 g  ·100%.

the percent purity = 56.8 %.

8 0
3 years ago
Stretching a rubber band is an example of________.
Artyom0805 [142]

Answer:

B. tension

Explanation:

a straight stretched rubber band experiences tension which is a stress that tries to pull matter apart.

6 0
3 years ago
The three conditions that encourage the presence of marine life in the ocean are proximity to land, water depth and ____________
Alja [10]
The answer is exposure to sunlight
7 0
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What causes an earthquake?
nirvana33 [79]

Answer:The earths plates shifting

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3 years ago
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