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CO(g) + NO(g) → CO2(g) + N2(g) (a) How many grams of N2(g) will be formed from 5.19 x 1022 molecules of CO(g) at STP? (b) Name each chemical.
Nitrogen gas when combined with hydrogen gas forms ammonia gas according to the following equation N2(g) + 3H2(g) = 2NH3(g). Delta H(rxn)=-56 kJ. The delta H(rxn) was determined using Hess's Law and the following three related reactions:
Calculate the cell potential (emf) for a galvanic cell at 298 K composed of a standard aluminum electrode (Al metal and Al 3+ ions at 1.0 M) and a standard cadmium electrode (Cd metal and Cd 2+ ions at 1.0 M.)
A solution of ammonia and water contains 1.30×10^25 water molecules and 7.70×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
How many (a) kilometers, (b) Meters (c) centimeters, ad (d) millimeters are there in 0.800 miles calcuted to the correct numbers of significant figures
Assume you dissolve 2.56g of malic acid, C4H605 in half a liter of water (500g). Calculate the molarity, molality, mole fraction, and weight percentage of acid in the solution.
a saturated solution of bariumchloride at 30C contains 150g water. how much additional barium chloride can be dissolved by heating
what pressure would it exert? (b) What pressure would it exert if it behaved as a van der Waals gas?
By how much does the chemical potential of carbon dioxide at 310K an 2.0 bar differ from its standard value at that temperature
A 0.484g sample of impure NH4Br is treated with 25.00mL of 0.2050 M NaOH and heated to drive off the NH3. The unreacted NaOH in the reaction mixture after heating required 9.95mL of 0.0525 M H2C2O4 to neutralize.
The partial pressure of O2 in the exhaust is 75.19 mmHg and the partial pressure of CO2 in the exhaust is 47.94 mmHg. What is the mole fraction of propane in the fuel stream? (mol C3H8 / mol)
A fossil fuel containing 84% C, 15% H and 1%S is burned with 20% excess air in a boiler. The stack gases are at 150 C. a) What is the concentration (ppm) of SO3 in the stack if equilibrium is established according to
What are the units for k in the rate expression (time unit is seconds) for a reaction with the following rate law? Rate = k[X]1[Y]0[Z]0
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