05/27/20

Stoichiometry Grams to Grams

2 Fe2O3 + 3C —> 4 Fe + 3CO21) How many grams of Fe will be produced if 39.64 grams of CO2 are used ?2) How many grams of FeO2 are used if 2.88 grams of Fe are produced ?
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04/13/20

A container containing 4.29 L of a gas is collected at 89 K and then allowed to expand to 16 L. What must the new temperature be in order to maintain the same pressure

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01/30/20

The pH of a solution is 5. What is the concentration of OH- ions at this pH?
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09/12/19

The density of chromium metal is 7.14 g/cm3. A cube of chromium has a mass of 20.00 kilograms. Calculate the length of each side of the cube in inches.
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04/03/19

If 49.0g of H3PO4 is reacted with excess KOH, determine the percent yield of K3PO4 if you isolate 49.0g of K3PO4
Given the the equation : H3PO4 + KOH
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04/01/19

What is the final pressure assuming that temperature and the number of moles are constant?
A chamber initially at 0.985 atm and 22.4 L of He undergoes a change in pressure such that the final volume is 50.1 L. What is the final pressure assuming that temperature and the number of moles... more
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04/01/19

NH4ClO4 reacts with itself to produce nitrogen, chlorine, oxygen, water, and energy. What mass of water is produced by the reaction of 7.64 g of NH4ClO4? Round your answer to significant digits.
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03/20/19

im trying to figure out wht is the anwer to this question ? 8.76x10^9(6.52x10^-3)/13.27x10^5
8.76x10^9(6.52x10^-3)/13.27x10^5
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03/18/19

What is Covalency?
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03/17/19

Is nitrogren (N) or sulfur (S) more nonmetallic?

Is nitrogen (N) or sulfur (S) more nonmetallic? Please explain reasoning.
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03/15/19

What is the difference between methyl alcohol and ethyl alcohol?
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03/15/19

If the amount of hydrogen in a balloon of fixed size is doubled,
what happens to the mass and density of the balloon?
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03/15/19

Is co2 organic?
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03/15/19

5.2 grams of water undergo electrolysis, how many grams of oxygen gas is produced?
I need to know how to set up the problem.
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03/15/19

What is the difference between organic and inorganic chemistry?
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03/15/19

How can we learn chemistry valency?
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03/14/19

Why does salt dissolve better than baking soda?
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02/03/15

A 250-L sample of pure glycerol has a mas of 3.15 ×10^3 g. What is the density of the glycerol in g/cm^3?
Please explain step- by-step.
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