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Equal volumes of H2 and O2 are placed in a balloon and then ignited. Assuming that the reaction goes to completion, which gas will remain in excess?
2H2 + O2 → 2H2O
A) H2O to liquid NH3 B) CH3COONa to liquid NH3 C) H2O to liquid HCl D) Li2SO4 to liquid H2O E) Na2SO4 to liquid H2SO4 5. The MO delta (?) bonding can result
When light of frequency 6.88×1015 s-1 shines on the surface of a metal, electrons are ejected with a maximum kinetic energy of 3.40×10-19 J. Calculate the wavelength of this light.
Compute the concentrations of the ions as well as the molar solubility and the solubility product constant for salt at 25 Celsius. Step by step and the balanced reaction
What is the molar enthalpy of the reaction. Based on the enthalpies of formation and of the other components in the reaction, what is the enthalpy of formation of sodium hypochlorite
0.266 mol of a solid was dissolved in 300 ml of water at 21.9 oc in a styrofoam cup calorimeter. after the solid had
A gas sample occupying a volume of 64.7mL at a pressure of 0.971 atm is allowed to expand at constant temperature until its pressure reaches 0.389atm. what is the final volume
How to calculate the volume of 1.5M aqueous pottasium hydroxide require to react completly with 2g of benzoic acid and extract the solution twice using the volume calculated?
when 92.0 grams of nonionic compound were dissolved in 985 grams of water the freezing point of the solution was found
Use the following balanced equation for the problem below: 2HCl + Na2CO3 = 2NaCl + CO2 + H2O If 35.0 gm of Na2CO3 is reacted with 18.0 gm of HCl, how many grams of CO2 are produced
grams of a sulfate-containing unknown with excess barium chloride. If 0.6500 grams of barium sulfate is produced, what is the percentage sulfate in the unknown?
A 2L steel vessel is filled with 1.5atm of He gas at 25 degrees Celsius. Then 5 grams of O2 gas are added to the vessel at constant temperature. Determine the resulting total pressure in the vessel.
Gibbs Free Energy: Spontaneity Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever.
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