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What current is required to depostit, on the cathode, 5.00 g of gold/hr from a solution containing a salt of gold(III)
A sample of He gas (V = 3.0 L) at 5.6 atm and 25 °C was combined with 4.5 L of Ne gas at 3.6 atm and 25 °C in a 9.0 L flask (which was initially evacuated).
2 Al2O3(s) → 4 Al(s) + 3 O2(g) . ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements?
An ionic solution is investigated for identity. Using the following clues, identify the cation and the anion in the solution: a. There is only one cation and one anion in the solution
a second order reaction has rate constant .028M^-1hr^-1. initial concentration is 3.4 M. what will be the percentage remaining after a period of 24 hours?
105 cm3 of 2MSulphuric acid is required to neutralise 420 cm3 of potassium hydroxide. What is the concentration of potassium hydroxide?
This sample was reacted with excess ammonia in diethyl ether at 0 c. The product mixture had a specific rotation of -29.9 degrees. If the specific rotation of pure (R) 1-phenyl ethanamine is +39.3 degrees. This reaction resulted in [X] percent inv..
what is the density of a sample of ammonia gas, NH3, if the pressure is .928 atm and the temperature is 63.0 C?
What is the concentration (in M) of the nitrate ion when 17.3 mL of a 0.633 M solution of potassium nitrate is combined with 15.3 mL of a 0.662 M solution of aluminum nitrate to a final volume of 48.1 mL
It requires 20.65 mL of 0.3000 M NaOH solution to titrate both acidic protons in 40.00 mL of the tartaric acid solution Write the net ionic equation.
If a nonvolatile, yellow crystalline solid sample of 0.351 g is dissolved in benzene (C 6 H 6 ) of 15.8 g formed a solution. this solution freezes at the temperature of 4.77 degree celsius.
what is the concentration of a household ammonia cleaning solution if 49.90 ml of .5900M HCL is required to neutralize 25.00 ml of the solution?
Consider the combustion of ethane 2C2H6 + 7O2 yields 4CO2 + 6H2O If the ethane is burning at the rate of 0.1 mol/L*s, at what rates are CO2 and H2O being produced?
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