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MrMuchimi
3 years ago
12

What term is used to describe the building blocks of life

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
7 0

Answer:

Explanation:

cell

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A sample of a substance has a mass of 4.2 grams and a volume of 6 milliliters. The density of this substance is
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Hello!

Mass =4.2 g

Volume =6 mL

Therefore:

Density = mass / volume

Density = 4.2 / 6

Density = 0.7 g/mL


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Show all calculations. 1. 2 C 4 H 10 + 13 O 2 -> 8 CO 2 + 10 H 2 O a) what mass of O 2 will react with 400 g C 4 H 10? b) how
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\\ \tt\hookrightarrow 2C_4H_10+13O_2\longrightarrow 8CO_2+10H_2O

  • 13mol of O_2 reacts with 2mols of C_4H_10.
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No of moles:-

\\ \tt\hookrightarrow \dfrac{Given\:mass}{Molar\:mass}

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Now

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\\ \tt\hookrightarrow 7.5(6.89)=51.6mol

Mass of O_2

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4 0
3 years ago
Which material has a crystalline structure at room temperature ( 20 degrees Celsius )
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It's 2, glass. Water, nitrogen, and sucrose don;t have a crystalline structure.
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Refusing to take part in sexual activity is called sexual abstinence? True or false.
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What are the parts of a water molecule
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