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A molecular hydrogen gas reacts with molecular oxygen gas to make liquid water. What is the balanced molecular equation (including the states such as (aq), (s), (g))? What is the limiting reagent if 4.00g of H2 reacts with 2.00g of O2? If 1.94g of H2O is collected, what is the percent yield of the reaction? How many grams of the excess reactant is left over after the reaction takes place?
Calculate ΔHrxn for the following reaction: CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g) Use the following reactions and given ΔH′s.
What is the molecular weight of a volatile liquid, if .50 g of the liquid fills a 100 mL flask as a gas at 25 degrees C and 1.0 atm pressure
The composition of a gas on a dry basis is 71.0 mole% N2, 12.0% O2, 12.0% CO2, and 5.0% CO. If the mole fraction of water is 0.160, what is the gas composition on a wet basis?
William Tell had only one attempt to shoot an apple from the top of his son's head with his bow and arrow.
How long would it take to count out 1 billion tiny, invisible objects (yes, invisible) from a bottle of these objects if you couldn't even see one with an optical microscope but knew that each one weighed 0.0000001 gram
consider the following three equilibria occurring simultaneously in solutioncaaq c2o4aq cac2o4sh2c2o4aq haq
Consider a particle with quantum number n moving in a one-dimensional box of length l. Determine the probability of finding the particle in the left quarter of the box.
Question- The Ksp for barium chromate is 1.2 x 10^-10. Will barium chromate precipitate upon mixing 10 mL of 1 x 10^-5 M barium nitrate solution with 10 mL of 1 x 10^-3 M potassium chromate.
Nitrous oxide is a significant greenhouse gas. The global sink N2O is 12.6 T g N yr-1. The mixing ratio is 559.5 micrograms/m3 as well as the lifetime of N2O is about 128 years. Use an average surface pressure of 986 hPa to compute mass of atmosph..
100g of orange juice is said to contain about 50mg of ascorbic acid. How much of a 2E-4M DCPIP titrant should be required to titate a 100g sample. What would be a good sample size.
many gases are shipped in high-pressure containers. consider a steel tank whose volume is 65.0l and which contains o2
When solid copper is added to nitric acid, copper(II) nitrate, nitrogen dioxide, and water are produced. Write the balanced chemical equation for the reaction. (Use the lowest possible coefficients. Use the lowest possible coefficients. Include st..
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