What would the new volume of the gas be
A sample of hydrogen occupies a volume of 1.20 liters at a pressure of 425 kilapascals. If the temperature of the gas is constant, what would the new volume of the gas be at 615 kilapascals?
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after 50 g of certain substance is heated in air until no further reaction occurs, 39.9 g of metal is left. is the reactant an element or a compound? explain
Iron ore is produced through the following reaction in a blast furnace. If 4.00kg of iron(III) oxide reacts, how many moles of carbon monoxide are needed?
A student mixed 5.00 mL of a nickel(2) chloride solution with 5.00 mL of .100M sodium phosphate and a precipitate formed. How many moles of sodium phospahte were present in 5.00 mL of the solution?
Assume that the activation energy for a certain reaction is 173 kJ/mol and the reaction is started with equal initial concentrations of reactants.
calculate the wavelength of the photon emitted when an electron drops from 4d obital to a 2p orbital in a hydrogen atom using Rydberg constant as 1.097 x 10-2pm-1
After equilibrium was reached, the total pressure was 0.836 atm and the partial pressure of oxygen was 0.0275 atm. Calculate Kp for each of these reactions.
Calculate the pH at the equivalence point for the titration of 0.20 M aniline (C6H5NH2, Kb = 3.8 x 10-10) with 0.20 M HCl. [Hint: remember the dilution factor caused by addition of titrant to the aniline solution.]
The rate constant for a certain reaction is = 3.40×10-3 . If the initial reactant concentration was 0.750 , what will the concentration be after 6.00 minutes?
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