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How many grams of potassium chlorate decompose to form potassium chloride and 450. mL O2 at 128°C and 750. torr?
What is the pH of the solution when the hydronium ion + concentration of 0.15 M CH3COOH is 6.3 × 10.
A 141-mL sample of gas is collected over water at 22°C and 753 torr. What is the volume of the dry gas at STP?
How can diacetylmorphine be ionised in the blood and what will the effects of this be on the molecule in circulation? (I assume that it will be more soluble?)
What volume will 135 g of butane occupy at 745 torr and 35 C?
If 158 of wet hydrogen is collected over water at 24 and a barometric pressure of 736 , how many grams of hydrogen have been consumed.
A piston has an external pressure of 6.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.580 liters.
The Henry's law constant for helium gas in water at 30°C is 3.7 10-4 M/atm; that for N2 at 30°C is 6.0 10-4 M/atm. If the two gases are each present at 1.2 atm pressure, calculate the solubility of each gas. What is the Molarity of He and N2
A mixture of 70 mole% butane and 30 mole % hyrdrogen is burned with excess air. Fractional conversion of 85% of the butane and 90% of the hydrogen are achieved
how much energy is released when 89 grams of water vapor (steam) is cooled from 503 K to 354 K?
If you want to make 250 ml .100 M calcium chloride solution, how many grams of CaCl2 will you need.
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
A sample of laughing gas occupies 500.0Ml at a standard temperature and pressure . what volume will the gas occupy at 95.0oC and 525 torr.
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