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A balloon is inflated to a volume of 8.3 L on a day when the atmospheric pressure is 652 mm Hg. The next day, as a storm front arrives, the atmospheric pressure drops to 620 mm Hg. Assuming the temperature remains constant, what is the new volume for the balloon, in liters?
Calculate the rate of water removal from the condenser, the rate of dehumidified (1.50% water) air delivered to the house, and the flow rate and composition of the humid air entering the condenser
A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm . What is the partial pressure of argon,PAr , in the flask?
Determine the pH of 263 ml of solution which has [NH4I] = 0.300 M. Kb = 1.74 × 10-5 for NH3(aq)
What is the pH of a solution that is 0.75 M in sodium acetate and 0.50M in acetic acid? (Ka for acetic acid is 1.85 x 10-5).
How many of each type of atom are there in a cubic crystal with an edge length of 4nm?
Write the overall equation for the reaction. B) Do you expect this reaction to go by an E1 or an E2 mechanism?
calculate the energy in joules and calories. required to heat 5.25g of water, from 55 C to 64.8 C
Calculate the ratio of the potential energies for the interaction of a water molecule with an Al3+ ion (of radius 53 pm) and with a Be2+ ion (of radius 27 pm).
Consider a container sealed with a small opening. A mixture of several gases are added to the container. Assuming the gases do not react, indicate the order that the gases escape out of the container
What amount of energy is required to completely ionize 6.2 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole?
You have pure beta-D-glucopyranose of 100 grams nearly, it was dissolved in an ethanol/water combination with the intention to recrystallize the sugar. You get pure beta-D-glucopyranose crystals 60 grams back why this 40% loss was to happen.
A calibrated flask was filled to the 25.00 {\rm mL} mark with ethyl alcohol. By weighing the flask before and after adding the alcohol, it was determined that the flask contained 19.7325 {\rm g} of alcohol
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