A small rocket is fired directly upwards with an initial velocity of 100m/s. How many seconds will it take to reach its maximum height?
Calculate the number of phosphorus atoms in 17.0g sample of calcium phosphate
How many potassium atoms in 7.50g of potassium chromate?
How many atoms of hydrogen are in a mixture of 3.49x10^23 molecules of H2O and 78.1g of CH3OH?
5x - 7 (2 - 4x)
Need help with a word problem - Carrie collected can food for a homeless shelter each day for one week. On day one she collected 7 cans, on day two she collected 8 cans, on day three she collected 10 cans and on day four she collected 13 cans. If Carrie wanted to give at least...
A triangle has two sides with equal length and a third side 16 meters long. If the perimeter is 42 meters, what is the length of each of the equal sides?
A gas occupies 560.0 mL at 285 K. To what temperature must the gas be lowered if it is to occupy 250.0 mL? Assume that the pressure remains constant.