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A gas is enclosed in a cylinder fitted with a piston. The volume of the gas is 2.00 L at 1.00 atm pressure. The piston is moved to increase the volume to 6.00 L. Which of the following is a reasonable value for the pressure of the gas at the greater volume?
2.50g of KClO3 decomposes by the equation: 2KClO3=2KCl+3O2. What volume of O2 is produced at 25 degree C and a pressure of 750 mmHg
if 32ml of 7.0m h2so4 was spilled what is the minimum mass of nahco3 that must be added to the spill to neutralize the
The electron in the n = 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the electron move?
Many elements can have more than one charge or oxidation number. In this set of problems, we will assign oxidation numbers to each atom in sulfate, carbonate, bicarbonate, bisulfate, sulfite, nitrate, nitrite, chlorate, and perchlorate.
What is the activation energy in kJ/mol? What is the rate constant at 100 degrees C?
If you have 300.0 mL of water at 25.00 °C and add 140.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
Draw all stereoisomers of 1,2,3-trimethylcyclopentane. Use bold and hashed wedges to show the stereochemistry.
Given a column of air with a pressure of 1.57 x 10^5 Pa and an area of 1.04 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column
a coffee contains 100 mL of H2O. initial temperature of calorimeter is temperature 23 C.if 8.20 g of CaCl2 is added to calorimeter. what will be the final temperature of the solution in the calorimeter.
55.0 calories of heat are added to a small lead block. If the temperature of the lead increases from 27.0°C to 59.2°C, what must be the mass of the lead block?
Iron (III) oxide reacts with carbon monoxide to form elemental iron and carbon dioxide. How many grams of CO are required to react with 2.78 grams of Fe2O3?
Draw all possible isomers for the molecule having the formula C7H7C1. The molecule contains one benzene ring.
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