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1. write the chem equation for the reaction which occurs when nickel metal is added to nitric acid2. write the cem equation for the reaction which occurs when potassium hydroxide is added to sulfuric acid3. write the chem equation for the formation of phosphorus pentaiodide from the elements4.write the chem equation for the reaction which occurs when solutions of potassium sulfide and iron (II) chloride are mixed.5. how many moles of co2 are produced when 84.4 moles of hexane are burned?6. how many grams of co2 are produced when 40g of pentane are burned?
the vapor of a volatile liquid is able to fill a 408-mL flask at 100.4C and 765mm Hg, what is the molar mass of the liquid?
Suppose that an excess of propane, C3H8 burns in 320 g of O2. How many moles of H2O will be formed? C3H8 + 5 O2 → 3 CO2 + 4 H2O
basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
What is the empirical formula of a compound that is composed of 1.67 g of cerium and 4.54 g of iodine.
Compute the work done when 55.0 grams of tin mixes in excess acid at the pressure of 1.00 atm and at a temperature of 24°C.
What causes a protein to migrate on sds-page in such a way that it appears to be a protein
Important information about Quant problems, Calculate pFe2+ at Ve in the titration of 25.00 mL of 0.02026 M EDTA by 0.03855 M Fe2+ at pH
A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.15 M Na OH. What is the pH of the solution after 30.0 mL of NaOH have been added to the acid?
What is the coefficient of H2O when the following equation is properly balanced with smallest set of whole numbers?
A 248 gas sample has a mass of 0.433 g at a pressure of 745 mm Hg and a temperature of 28 C. What is the molar mass of the gas?
An object has a mass of 5.95g. Assuming the density of water is 1 g/mL, what is the volume of the object including air?
Molecular Mass by Freezing point Depression (Preliminary Lab).
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