Thursday
December 5, 2013

# Posts by suzie

Total # Posts: 62

chem -help
Two cylinders at 27C are connected by a closed stopcock ystem. One cyclinder contains 2.4 L of hydrogen gas at o.600 atm; the other cylinder contains 6.8L of helium at 1.40 atm. Assume valve take up no room. what is the total pressure when the valve is open ? (0.600 atm)(L)/(0...

Chemistry
How many electrons are transferred when C3H7OH burns in oxygen to form carbon dioxide and water? I have no idea where to start. Do I need to do half reactions? Can I even do half reactions for this?

geology
how does granite turn to mud

geology
what is the oldest to the youngest of these 4 rocks? granite, limestone, mudstone and conglomerate.

COLLEGE MATH
In 2003, the probability that a randomly chosen bag of cement from the world supply was consumed in the U.S. was .05, while the probability that it was consumed in China was .45. What is the probability that a randomly chosen bag of cement was consumed in neither country?

MATH
A bag contains 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, and 6 orange marbles. How many sets of four marbles include all the red ones?

MATHS
What is 2.816*10^8 to 2 significant figures

MATH
A bag contains 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, and 6 orange marbles. How many sets of four marbles include all the red ones?

MATH
How many six-letter sequences are possible that use the letters c, i, c, c, i, y?

MATH
How many ordered lists are there of 10 items chosen from 12?

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