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If ammonia is obtained in 90% yield based on hydrogen, how many tons of hydrogen are necessary to produce 100 Mg of ammonia?
When too much H2CO3 is in the blood, the enzyme carbonic anhydrase catalyzes the conversion of carbonic acid, H2CO3, to carbon dioxide, CO2, and water, H2O.
Write ionic and net ionic equations for the following reactions. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.)
What is the isotropic difference (in per mil) at 25 degrees between gas, liquid, and solid phase for the elements carbon and sulfur? Show calculations
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
If a solution is made with 0.125M magnesium nitrate, (Mg(NO3)2), and 0.100M aqueous ammonia (NH3) will a precipitate of magnesium hydroxide form Ksp= 1.1e-10 Kb= 1.8e-5
A gas is placed in a storage tank at a pressure of 20 atm at 20.3 C there is a small metal plug in the tank made of a metal alloy that melts at 125C what is the maximum pressure in the tank?
The value of deltaH for the reaction CH3OH (l)---->CO (g) +2H2 (g) is +128.1 kJ? How many kJ of heat are consumed when 5.10 g of CO (g) is formed as shown in the equation
How many L of N2 gas are produced at STP when the airbag inflates if the airbag contains 132g of sodium nitride?
calculate deltago in j for 2 moles of electrons in each half-reaction and a standard potential of 0.29 v.a half-cell
the temperature of a lead fishing weight rises from 15 oc to 45 oc as it absorbs 22.5 kj of heat. what is the mass of
A 5.00 L flask at 279 K contains a mixture of He and O2 with a total pressure of 1.00 atm. If the mole fraction of O2 is 0.40, what is the mass fraction of O2?
a gas has a volume of 4.00l at 0 degree c. what final temperature in degrees celsius is needed to cause the volume of
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