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Calculate the standard (25°C and 1 atmosphere) heat of reaction in gram mole of the first reactant on the left-hand side of the reaction equation of the following reactions a. CH4 (g) + 2 O2 (g) ? CO2 (g) + 2 H2O (l) b. CO2 (g)+ H2 (g) ? CO (g) + H2O (l)
In Denver, the Mile-High City, water boils at 95 C. What in atmospheres in Denver Hvap for H2O is 40.67 kj/mol
What is the pressure in the tank. Express the pressure numerically in atmospheres. C. A 140L kiln is used for vitrifying ceramics. It is currently operating at 865 degrees C
The Kb of methylamine is 4.4*10^-4. What is the pH of a 0.35 M solution of methylamine? a. 10.19 b. 3.81 c 12.09 d. 1.91 e. 11.56
column of air with a pressure of 1.57 *10^5 Pa and an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
Jojoba wax in candles consists of stearic acid and a 22-carbon saturated alcohol. Write the structure of jojoba wax.
0.01M HCl reacts with 3.18 g Na2CO3. Here 50 mL of HCl is required for the reaction. Calculate the volume of CO2 produced at 273 K and 1 atm.
How many grams of H2O (g) are theoretically produced from 1026.9 g of sucrose, C12H22O11 (g), and an excess amount of oxygen? C12H22O11 (g) + O2 (g) → CO2 (g) + H2O (g) (unbalanced)
calculate the mass of silver chloride and dihydrogen monosulfide h2s formed when 85.6g of silver sulfide reacts with
Write the structures for the major monobromination products that would be formed from each of the following substrates used. Explain your predictions.
How many liters of chlorine gas, measured at STP, would be produced by the electrolysis of molten sodium chloride using a current
an unknown organic compound has the empirical formula c2h2o. a solution of 3.775 g of the unknown compound dissolved in
Aqueous solutions of sodium thiosulfate, Na2SO3, are used as an antidote to some snakebites. How many moles of sodium ions are found in 10.0 mL of a 0.15 M solution of Na2S2O3?
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