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SashulF [63]
3 years ago
8

4 Physical characteristics of: a glass of milk, a candle, a piece of aluminum foil, a spoonful of sugar, and toothpaste

Chemistry
1 answer:
Nadya [2.5K]3 years ago
6 0
Liquid, white,hm,wax,grey,sweet, white,minty,fresh,
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Which power source uses the earth’s internal heat?
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Its geothermal energy.

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Which of the following is an essential condition for a redox reaction?
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The oxidation of at least two atoms should change
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What does this equation, 2 C(s) + O 2(g) ® 2 CO(g), tell us?
Zanzabum

Answer:

D. All of these.

Explanation:

For an equation to be balanced the number of atoms of each kind in the reactants and the products should be the same.

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How many 3-liter balloons could the 12-L helium tank pressurized to 160 atm fill? Keep in mind that an "exhausted" helium tank i
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The 12L helium tank pressurized to 160 atm will fill <em>636 </em>3-liter balloons

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P_1V_1=P_2V_2

Where P₁ is the pressure of the tank (160atm), V₁ is the volume of the tank (12L), P₂ is the pressure of the balloons (1atm, atmospheric pressure) And V₂ is the volume this gas will occupy at 1 atm, thus:

160atm×12L = 1atm×V₂

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As the tank will never be empty, the volume of the gas able to fill balloons is the total volume minus 12L, thus the volume of helium able to fill balloons is:

1920L - 12L = 1908L

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<em></em>

I hope it helps!

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