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balu736 [363]
3 years ago
15

What mass of oxygen combines with 2.00 moles of magnesium

Chemistry
1 answer:
Liula [17]3 years ago
7 0

Answer:

32.0 g O2

Explanation:

2.00 \: mol \: mg \: x \frac{1 \: mol \: o2}{2 \: mol \: mg} x \:  \frac{32.0 \: g \: o2}{1 \: mol \: o2}  = 32.0 \: g \: o2

I'm not sure if I understood your question correctly so your better off not using my answer lol

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Two moles of propene (c3h6) gas react with nine moles of oxygen (o2) gas to produce six moles of carbon dioxide gas (co2) and si
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The stoichiometry of the reaction gives the molar ratio in which the reactants react with each other and the ratio in which products are formed.
The coefficients of the reactants in the reaction follow the stoichiometry 
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3 years ago
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A standard 1.00 kg mass is to be cut from a bar of steel having an equilateral triangular cross section with sides equal to 2.50
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Answer:

The section of the bar is 2.92 inches.

Explanation:

Mass of the steel cut ,m = 1.00 kg = 1000 g

Volume of the steel bar = V = Area × height

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Area of  Equilateral triangular = \frac{\sqrt{3}}{4}a^2

a = 2.50 inches

Cross sectional area of the steel mass = A

A=\frac{\sqrt{3}}{4}(2.50 inches)^2=2.71 inches^2

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1cm^3 = 0.0610237 inches^3

d=\frac{m}{v}

\frac{7.70 g}{0.0610237 inches^3}=\frac{ 1000 g}{2.71 inches^2\times h}

h=\frac{ 1000 g\times 0.0610237 inches^3}{2.71 inches^2\times 7.70 g}

h = 2.92 inches

The section of the bar is 2.92 inches.

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3 years ago
The chart below includes images of different structures found in animals or plants. For each structure, describe the smaller liv
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6 0
4 years ago
Please help ASAP please and thanks!! I'll also mark you!
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In above reaction,

                   OH⁻  = Incoming Nucleophile

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