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Posts by Elisabeth

Total # Posts: 106

physics
how much heat is required to vaporize 7 grams of ice initially at 0 degrees celsius when the latent fusion of ice is 80 cal/g, the vaporization of water is 540 cal/g, and the specific heat of water is 1 cal/(g x C)?

social studies
While black thursday is known as the day the stock market crashed, black tuesday was the day millions of panicked stock brokers sold over 16 million shares starting the great collapse.

Pre-Algebra
How do I find a linear relationship in a table? I really need help on this. And this is at a 7th grade level...

Physics-check
can you check my answers? 2.is more work required to bring a fully loaded truck up to a given speed, than the same truck lightly loaded? defend your answer? -more work is required to bring a fully loaded truck up to a given speed because it is doing more work since it is fully...

ap physics
can you check my answers? 2.is more work required to bring a fully loaded truck up to a given speed, than the same truck lightly loaded? defend your answer? -more work is required to bring a fully loaded truck up to a given speed because it is doing more work since it is fully...

AP Chemistry
Yes, the answer comes out to be 15.9%. As for the second part, it is a simple problem. 3.21g BeC2O4 3H2O x (1 mol BeC2O4 3H2O/151.03g) x (1 mol BeC2O4/1 mol BeC2O4) x (97.01/1 mol BeC2O4) = 2.06 g ii. Since it is measured at STP, we can assume that 22.4 L of the substance = 1 ...

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