03/13/19

Why are pH levels between 0 and 14 only, not 15 and higher?
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03/13/19

What's the formula for converting Fahrenheit to Celsius?
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03/13/19

How many grams of zinc metal are required to produce 10.0L of hydrogen gas at 25 degrees C and 1.00 atm pressure, by reaction with excess hydrochloric acid?
Zn (s) + 2HCl (aq) -> ZnCl2 (aq) + H2 (g)
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03/13/19

A bacterial culture isolated from sewage produced 35.5mL of methane gas, CH4, at 31.0 degrees C and 753 torr. What would be the volume, in mL, of this methane at STP?
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03/13/19

The addition of a catalyst to a chemical reaction will have what effect?
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03/13/19

What is Raoult's Law?
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03/13/19

What is Henry's Law?
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03/13/19

What is Henry's Law?
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03/13/19

What is the pathophysiology of Parkinson's disease?
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03/13/19

at standard temp and pressure what is the volume of 56g of nitrogen gas, N2
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03/13/19

what is the mass of 15 moles of hydrogen cyanide hcn
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03/13/19

What is the most abundant protein in the human body?
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03/13/19

What is the most common isotope of hydrogen?
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03/13/19

Why does the weight matter when consuming a certain amount of a specific drug?
My question is actually referred to hallucinogenic substances, in particular to mushrooms. I can understand why alcohol or other substances that relate to body mass (fat in some cases) affect... more
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03/13/19

What is the concentration (in units of molarity) of HCrO−4 in a 0.073 M solution of chromic acid, H2CrO4?
What is the concentration (in units of molarity) of HCrO−4 in a 0.073 M solution of chromic... more
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03/13/19

What is the difference between mass transfer and diffusion?
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03/13/19

What is the difference between mass transfer and diffusion?
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03/13/19

Which gas is produced in the reaction of a metal with dilute hydrochloric acid?
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03/13/19

a 15.0 ml sample of sulfuric acid is titrated and found to react with 39.6 ml of 150 m csoh what is the molarity of the sulfuric acid solution
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03/12/19

Identifying solutions
A six-solution unknown contains:KOH, Ba(NO3)2, (NH4)2SO4, Fe(NO3)3, NaC2H3O2, CrCl3Identify each solution given the following observations. pH paper shows only solution 3 to be strongly basic When... more
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03/12/19

What is mass transfer in chemistry?
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03/12/19

What is mass transfer in chemistry?
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03/12/19

In a certain​ chemical, the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 300 grams of copper. How many grams of zinc does it​ contain? It contains nothing grams of zinc.
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03/12/19

How do you find ionic and covalent bonds? ex: Mg+Br
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03/12/19

To decoloriZe 1 Mole of kMnO4 how many moles of H2O2is required?
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