What is the enthalpy of combustion of compound x
The enthalpy of formation of compound X is -612 kJ/mol, and the sole product of its combustion has a enthalpy of formation of -671 kJ/mol. What is the enthalpy of combustion of compound X?
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If 24.6 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 301 Kelvin and 1.01 atmospheres? Show all of the work used to solve this problem.
The solubility of NH3 in water at an NH3 pressure of 320 mmHg is 22.8 g/100 mL. What is the solubility of NH3 if the partial pressure is increased to 975 mmHg?
The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 295 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)
Use reactant molecules to write appropriate elementary reactions that satisfy the following criteria. Ignore aggregation states. Write A unimolecular decomposition that generates Cl.
A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make exactly 100.0 mL of solution. If the density of the solution is 1.1094 g/mL, what is the weight % H2SO4 in the solution?
The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?
190 mL of an HCl solution with pH of 2.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
The active ingredient in toothpaste is sodium fluoride, an anticavity agent. a 170 g tube of toothpaste lists the concentration of sodium fluoride a s0.24%. how many grams of sodium fluoride are in a toothpaste.
How many moles of permanganic acid could be produced if 0.9240 moles of manganese(II) oxide, 2.280 moles of lead(IV) oxide, and 2.009 moles of nitric acid are combined and react to completion?
Determine the mass of aluminum acetate that can be made if 125 grams of acetic acid and 275 grams of aluminum hydroxide, what is the reagent in the problem?
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