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Amanda [17]
2 years ago
6

What does the air in the troposphere do as it heats up from the sun?

Chemistry
1 answer:
Digiron [165]2 years ago
3 0
It usually holds more water because of evaporation and makes the earth very hot.
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0.25 mol of nitric acid is used to make a 0.10 M nitric acid solution. How many grams of solute was used?
Yanka [14]

Answer:

15.75 grams of HNO3 was used and dissolved in 2.5 liters of solvent, to make a 0.10 M solution

Explanation:

Step 1: Data given

Nitric acid = HNO3

Molar mass of H = 1.01 g/mol

Molar mass of N = 14.0 g/mol

Molar mass O = 16.0 g/mol

Number of moles nitric acid (HNO3) = 0.25 moles

Molairty = 0.10 M

Step 2: Calculate molar mass of nitric acid

Molar mass HNO3 = Molar mass H + molar mass N + molar mass (3*O)

Molar mass HNO3 = 1.01 + 14.0 + 3*16.0

Molar mass HNO3 = 63.01 g/mol

Step 3: Calculate mass of solute use

Mass HNO3 = moles HNO3 * molar mass HNO3

Mass HNO3 = 0.25 moles * 63.01 g/mol

Mass HNO3 = 15.75 grams

15.75 grams of HNO3 was used and dissolved in 2.5 liters of solvent, to make a 0.10 M solution

7 0
3 years ago
A mutation in a certain type of bees allows for bees to pollinate only one type of flour how could this mutation be both a benef
Alina [70]
It will benefit the flower because it will always get Polonated but it can be bad for the bees because if the flower dies so will the bees
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3 years ago
Better alternatives to nuclear power plants
AfilCa [17]
It also depends on what we use to make the energy in the power plants. Many use uranium which is non renewable. A better alternative would be wind or solar as it is always around. Hope this helps. 
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2 years ago
Which functional group contains oxygen atom?
hram777 [196]
Carbonyl group contains oxygen atom.
 
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3 years ago
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How do i find the number if electrons in an element​
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by using this formula 2×(n)^२

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