How much hydrogen gas was produced

Reference no: EM13176191

potassium weighing 3.91 grams was carefully placed in a 1 liter beaker filled with water. All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite. How much hydrogen gas was produced, in units of moles?

Reference no: EM13176191

Questions Cloud

How many gramns of magnesium hydroxide should be recovered : If 24g Mg is used the percentage yield is 95% how many gramns of magnesium hydroxide should be recovered? Write balanced equation for reaction.

State what phase changes occur when the pressure is held : What phase changes occur when the pressure is held constant at 0.25 atm and the temperature increases from 100 °C to 300 °C?

What is the kb of codeine : Codeine, C18H21NO3, a commonly prescribed painkiller, is a weak base. A saturated aqueous solution contains 1.00 g codeine in 120 mL of solution and has a pH = 9.8. What is the Kb of codeine?

Calculate the heats of combustion of these alcohols : Methanol, ethanol, and n-propanol are three common alcohols. When 1.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.

How much hydrogen gas was produced : All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite. How much hydrogen gas was produced, in units of moles?

Determined its current level of yan : determined its current level of YAN to be 120 ppm N. If each gram of DAP adds 0.21 gram of N to the must, how much DAP is needed?

How should the court rule : Timmy told the director of Human Resources that $30,000 was not enough money to get him to settle and that he was going to file a lawsuit against University for age discrimination. University Tool and Dye had not yet received Timmy's signed settl..

What is the concentration of the base : If 30.00 mL of 0.500 M HCl is used to neutralize 10.00 mL of KOH, what is the concentration of the base?

Which species is the best reducing agent : Which species is the best reducing agent?

User Account

All Pages