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The synthesis of ammonia via the Haber reaction follows the balanced equation:
3 H2(g) + N2(g)® 2 NH3(g)DH = -99.22 kJ
How much heat is created from the synthesis of 7.38 metric tons (1 metric ton = 1000 kg) of ammonia?
What is the positional entropy at absolute zero for two moles of CF3Cl?
the solvent benzene has a normal freezing point of 5.5 c if 1.00 g of an unknown dissolves in 20.0 g of benzene gives a
What volume (in milliliters) of 0.100 M NaOH should be added to a 0.120 L solution of 0.024 M glycine hydrochloride
calculate the moles of h2 present in this gas sample. . 9. 1.0 gram of water at 25 c is heated to 100 c at which point
How many grams of CaCO3 are produced when you react 55.2 mL of 0.150 M Ca(NO3)2 with 0.655 grams of Na2Co3?
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide. cyclohexane occurs as the cis cycloalkene rather than the trans isomers. explain
chromium metal can be produced from the high temperature reaction of cr2o3 with silicon by the following reactioncr2o3s
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 74°C. Weights are removed suddenly from the piston to give the following sequence of three pressures.
Choose the solvent below that would show the greatest boiling point elevation when used to make a .10 m nonelectrolyte solutiona)CCl4, Kb=29.9 degree C/m
An automobile gasoline tank holds 21kg of gasoline. When the gasoline burns, 86kg of oxygen is consumed and carbon dioxide and water are produced.
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
the ratio of the number of nuclei in the first excited nuclear energy level to the number of of nuclei for a nucleus with ε1 - ε0 = 1MeV at 25C. At what temperature is kBT on the order of ε1 - ε0. Note 1MeV = 10^6eV
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