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A 357 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
Determine the pH of the solution resulting from the combination of 40.0 mL of 0.200 M Perchloric acid and what is the mass in mg
Thermochemistry : Comparing Heat Capacity of Bricks and Water, A house is designed to have passive solar energy features. Brickwork incorporated into the interior of the house acts as a heat absorber. Each brick weighs approximately 1.8 kg
3AgNO3 + Na3PO4 --> Ag3PO4 + 3NaNO3 Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
Determine the amount of energy involved in calories given off when 85 grams of H2O cools from 45 degrees Celsius to 25 degrees Celsius?
For the 3 wood preservatives noted, would acidic vs. alkaline soil or water conditions cause more (or less) leaching or dissolution of these compounds. How do these compounds actually leach out of wood into the environment?
A backpacker wants to carry enough fuel to heat 2.2 kg of water from 30 C degree to 100.0 C degree. If the fuel he carries produces 36 kJ of heat per gram when it burns
When 24 mL of a 170 mL stock solution containing 1.5 M BaF2 is diluted to 76 mL, what is the concentration of Ba2+ in the new solution
A 81 L sample of dry air cools from 145C to -22C while the pressure is maintained at 2.85 atm. What is the final volume?
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
Consider the voltaic cell , which is based on the following cell reaction. Zn(s) + Cu2+(aq) Zn2+(aq) +Cu(s) Under standard conditions
A steel tank has a volume of 438 L and is filled with 0.885 kg of oxygen. calculate the pressure of oxygen at 69.8 fahrenheit.
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