Sunday
May 26, 2013

# Posts by alison

Total # Posts: 259

Chemistry
thanx bunches!!! @(^_^)@

Chemistry
How many moles are in 12.0 grams of Potassium Sulfide?

Science n math
What is the molecular geometry n the electron domain for HCN

Math
An inner tube for a bicycle has a diameter of 2 inches and measures about 82 inches along its circumference. What formula would you use to determine the numbers of cubic inches of air the inner tube can hold

Math
An inner tube for a bicycle has a diameter of 2 inches and measures about 82 inches along its circumference. What formula would you use to determine the numbers of cubic inches of air the inner tube can hold

Chemistry
THE RATE LAW FOR THE REACTION 2NO + 02 = 2NO2 IS FIRST ORDER IN OXYGEN AND SECOND ORDER IN NO. PROPOSE A MECHANISM IN WHICH EACH STEP IS BIMOLECULAR. SPECIFY THE SLOW STEP. I HAVE NO IDEA WHAT TI DO. HELP PLEASE? THANKS.

Chemistry
2 HCl react with 1 Zinc Single replacement rxn So 2.

Calc
I think.... A) -12 B) 1 C)-7

Chemistry
An 8.00 mass % aqueous solution of ammonia has a density of 0.9651g/ml. Calculate the molality, molarity, and mole fraction of NH3. This question seems simple but I cannot seem to remember how to do this. Help please?

chem
An industrial chemist is studying smAll organic compounds for their potential use as an auto antifreeze. When 0.243g of a compound is dissolved in 25.0 ml of water, the freezing point is -0.201 degree celcius. (A) Calculate the molar mass of compound (dH2O= 1.00g/ml) at temp o...

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