How many grams of cu metal (63.55 g/mol) will be plated out
How many grams of Cu metal (63.55 g/mol) will be plated out of a Cu(NO3)2 solution by passing a current of 3.00 amperes for 11 minutes?
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At 298K, 125 ml of 0.60 M potassium hydroxide KOH is added to 175 ml of 0.40 M hydrochloric acid HCl. What is the final pH?
In the reaction where the potassium chlorate is decomposed into potassium chloride and oxygen. How much oxygen can be made from 45.8g of the potassium chlorate?
A sealed balloon is filled with 1.40 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 200. torr and the temperature is -26°C. What is the change in volume of the balloon as it ascends f
The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.44 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.
535 g piece of copper tubing is heated to 91.5°C and placed in an insulated vessel containing 58.5 g of water at 29.5°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K, what is the final temperature of the system (c of
If you started a ride with ice packs that held 1800 of frozen water at 0 , and the temperature of the water at the end of the ride was 32 , how many calories of heat energy were absorbed?
What is the condensed structural formula for 2,2-dimethyl, 4-heptyne
Magnesium hydroxide is 54.87% oxygen by mass. How many grams of oxygen are in 175 g of the compound? How many moles of oxygen is this?
A zero-order reaction has a constant rate of 3.40×10-4 . If after 45.0 seconds the concentration has dropped to 3.50×10-2 , what was the initial concentration?
Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product smells vile. Calculate the standard enthalpy change for this reaction using standard enthalpies of formation.
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