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6NO2+2H2O=4(HNO3)+2NO. For this equation, how many grams of nitrogen dioxide are needed to react with 3.70mol of H2O? How many grams of nitrogen monoxide are produced when 2.18mol of H2O react? If 60 grams of H2O and 85 grams of nitrogen dioxide are available, how many grams of nitrogen monoxide can be produced?
Given the following equilibrium constant at 25 C, calculate the equilibrium constant for the unknown reaction below.
Calculate the pH of a formic acid solution that contains 1.39% formic acid by mass. (Assume a density of 1.01 for the solution.)
The GMC Sierra 15 Hybrid 2WD, a hybrid electric vehicle, has an EPA gas mileage rating of 23.0 mi/gal on the highway. How many kilometers can the Sierra 15 Hybrid 2WD travel on the amount of gasoline
Write down the electron configurations for C2 and F2. What is the bond order for each? Which one is likely to have larger bond dissociation energy.
What is the mass in grams of 2.50 x 10^12 lead (Pb) atoms. Enter your answer in scientific notation.
A sodium hydroxide solution is prepared by dissolving 4.0 g NaOH in 1.00 L of solution. What is the molar concentration of OH- in this solution? What are the pOH and the pH of the solution?
Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 15.4 L of fresh water at 20 °C with an applied pressure of 75.0 bar.
When you initially standarized your NaOH sollution, you diluted your HCl stock solution and added water to it. If you used 24.8 ML of 0.18 M HCl stock solution and added another 26.2 mL of water, what is the new molarity of the acid
How does the energy of two photons corresponding to a wavelength of 451 nm (blue light) compare with the energy of three photons corresponding to a wavelength of 704 nm (red light)?
Orange juice can be modeled crudely as a misture of 8 g/L of citric acid (formally, 2-hydroxy-1,2,3-pro-panetircarboxylic acid; C6H8O7) and 1.6 g/L potassium ion. Find the equilibrium pH of orange juice
A liquid mixture of methyl acetate and ethyl acetate at 50oC and 1 atm is in equilibrium with gas containing methyl acetate, ethyl acetate and 23 mole % nitrogen. What are the molar fractions of ethyl and methyl acetate in the liquid and gas phase
What mass of lead sulfate is formed in a lead-acid storage battery when 1.41g of Pb undergoes oxidation
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