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Mark accidentally falls out of a helicopter that is traveling 15 m/s. He plunges into a swimming pool 2 seconds later. Assuming no air resistance, what was the horizontal distance between Mark and the swimming pool when he fell from the helicopter?
carboxylic acid is burned in oxygen, producing 1.462 g of CO2 and 0.6019 g of H2O. Determine the empirical formula of the carboxylic acid.
Calculate the CO3- concentration of a 5.45 x 10-4 M H2CO3 (carbonic acid) solution. Ka1 and Ka2 of carbonic acid are 4.3 x 10-7 and 4.8 x 10-11 respectively.
a solution containing 3.50 of sodium carbonate is mixed with one containing 5.00 of silver nitrate. how many grams of
How much energy in kJ is captured by a solar oven if the mass of the can is 13.853 g, the mass of the can and water is 50.165 g, and the temperature in degree C
Batting averages of baseball players are reported in parts per thousand. what would be the batting average of a hitter
Magnesium sulfate reacts with barium chloride according to the following balanced equation. How many moles of barium sulfate are formed from 10.0 g of magnesium sulfate? MgSO4(aq) + BaCl2(aq) ? BaSO4(s) + MgCl2(aq)
What is an ion and how does ionic bonding works? How does ionic boding lead to ion-ion intermolecular forces, or ion-dipole intermolecular forces?
a v 535 ml at 1.00 atm. what is the volume at 675 torr?b v 2.07 l at 110.9 kpa. what is the volume at 0.992 atm?c v
Assuming the rotation of a diatomic molecule in the j = 10 state may be approximated using classical mechanics, calculate how many revolutions per second 23Na35Cl (g) makes in the J = 10 rotational state. The rotational constant of23Na35Cl (g) is ..
Find the concentration of Pb2 in 0.10 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression.
A gas mixture composed of helium and argon has a density of 0.605g/L at a 741mmHg and 298K .What is the composition of the mixture by volume?
At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF.
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