Wednesday
May 22, 2013

# Posts by Alyssa

Total # Posts: 462

Chemistry
its 112g because if you need a total of 200 and they already tell you that the co2 is 88, then subtract 88 from 200 to get 112

Life Sciene
How would the cell theory be affected if scientists could make living cells from carbon, oxygen, and other elements found on earth.

fractions
Mr.shafier has been teaching school for 10 years.For 6 of those years he taught 8th grade.what fraction represents the time Mr.shafier has not been teaching 8th grade?I knoe the answere is 2 5ths. but how do i show work?HELP!!!!!!!!!!!!!!!

physics
A 250 kg car starting from rest is pushed 30m. When the car reaches 30m, it’s traveling at a speed of 12m/s and it encounters 52N of friction. What is the acceleration of the car and what is the force of the push on the car?

math
did you know when you try to find the least commen multiple of 3 numbers you have to divide by two after you get your answer my class (ms.lott in texas) told us that for some reason its doubling the number so always divide by two once you have crossed out the commen numbers an...

Chemistry
help please! At 2200°C, K = 0.050 for the following reaction. N2(g) + O2(g) 2 NO(g) What is the partial pressure of NO in equilibrium with N2 and O2 that were placed in a flask at initial pressures of 0.75 atm and 0.30 atm, respectively?

Chemistry
help please! At 5000 K and 1.000 atm, 83.00% of the oxygen molecules in a sample have dissociated to atomic oxygen. At what pressure will 99.0% of the molecules dissociate at this temperature?

geometry
What does it mean by a line being unique?

ap calculus
A particle moves along a straight line with displacement s(t), velocity v(t), and acceleration a(t). Show that a(t) = v(t) dv/ds.

math
If i need 2-1/4 cups of flour for 12 people then how much do i need for 10 people?

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