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What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.030 M CaSO4 at 20,000 units?
The extrapolated literature value of KEQ for the formation of FeNCS^2+ at 25 degrees C and zero ionic strength is 1047. Predict the equilibrium concentration
A 0.300-M solution of X (Mm = 171 g/mol) has a density of 1.096 g/ml. What is the molality of X in the solution?
The density of liquid oxygen at its boiling point is 1.14kg/L , and its heat of vaporization is 213kJ/kg. How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized.
What is the total number of joules absorbed by 65.0 g of water when the temperature of the water is raised from 25.0 degrees celsius to 40 degrees celsius?
A 75 watt incandescent light bulb and an 18 watt compact fluorescent bulb are equally bright. How much warmer will an insulated closed 12 by 11 by 8 foot room get in 1 hour if it is lighted by an incandescent bulb
0.375 kg of water are in a well insulated container at 21.3 c. After 4.184kj of heat are added to the water, what is the final water temperature ?
What is the specific heat for the metal? Express your answer with the appropriate units. B) The molar heat capacity of silver is 25.35 J/mol
How many grams of manganese may be formed by the passage of 32,349 C through an electrolytic cell that contains an aqueous
Prepare 1.00L of a pH~12 buffer with a total phosphate concentration of 0.050 M.You have at your disposal the following compounds
Potassium chloride is used in the kitchen as a salt substitute (in place of sodium chloride). Suppose you were planning to make ice cream but discovered too late that you were out of table salt for making the ice bath.
A 890 mL sample of NO2 gas is at STP. If the volume changes to 644 mL and the temperature changes to 20ºC, what will be the new pressure in atmospheres?
A canister is filled with 390 of ice and 100 of liquid water, both at 0.0 . The canister is placed in an oven until all the has boiled off and the canister is empty. How much energy in calories was absorbed?
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