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Calculate the pressure of dry oxygen. If the total pressure of oxygen generated over water is measured to be 638 torr and the temperature is 22 degress celcius?
A solution containing Pt4+ is electrolyzed with a current of 5.80 A. How long will it take to plate out 79% of the platinum in 0.50 L of a 0.010 M solution of Pt4+.
A 2.32 L balloon contains helium at 1.00 atm and 25°C. How many grams of helium are contained in the balloon.
If 1.50g (NH4)2SO4 is dissolved in enough water to form 250 ml of solution, what is the molarity of the solution.
Important information about Degree of Unsaturation, Dieldrin, C12H8Cl6O, is a pentacyclic compound formerly used as an insecticide. Can you help me to calculate the degree of unsaturation
What is the smallest amount of CuO (in moles) that would establish the equilibrium?
Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.
A chemist dissolves 284 mg of pure potassium hydroxide in enough water to make up 140 mL of solution. Calculate the pH of the solution.
A compound made up of only phosphorus and chlorine contains 77.45% chlorine by weight. What is the electron domain geometry of the central atom of this substance?
determine the molecule weight of the liquid and the density of the vapor under these condition?
How much potassium nitrate has to dissolve in water to absorb 118 kj of heat? Lattice E is -163.8kcal/mol and heat of hydration is -155.5 kcal/mol.
A 550 mL volume of hydrogen chloride gas, HCl, is collcted at 27 degrees C and 790 mm Hg. What volume will it occupy at STP?
Ammonia is often produced by reacting nitrogen gas with hydrogen gas. How many liters of ammonia gas can be formed from 23.5 L of hydrogen gas at 93.0°C and a pressure of 34.7 kPa?
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