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How much heat is required to warm 229 g of ice from -44.9C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C?
Calculate the enthalpy change for converting 10.00g of ice at -25.0°C to water at 70.0°C in kJ. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K,.
How much energy in kJ must be absorbed to heat up a volume of ocean water 2 m high by 20 km wide by 30 km deep by 3°C.
flask shaken until the solution was uniform. A sample of 25.0 mL of this glucose solution was diluted to 0.500 ml then determine how many grams of C6H12O6 are in 100 mL of the final solution?
The combustion of 135 mg of a hydrocarbon produces 440mg of CO2 and 135 mg of H2O. The molar mass of the hydrocarbon is 270 g/mol.
Determine At what temperature does C 6 H 6 boil when the external pressure = 470 torr?
How many moles of O2 are needed to consume 0.52 mol of Mg in the following unbalanced reaction? Mg + O2-> MgO
A gas sample containing N2 and O2 was found to contain 72% N2. If the pressure of the sample was 2.0 atm, what is the partial pressure of O2?
An unknown compound contains only carbon, hydrogen, and oxygen (C_xH_yO_z). Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30 of water.
Assuming all gases are at the same pressure and temperature, how many liters of CO2 are formed from 15.0L of CO.
Determine compound having greater Ksp or compound having smaller Ksp ? compute [Ag + ] when CuI just start to precipitate. What % of Ag + remains in solution at this point?
A steel tank has a volume of 438 liters and is filled with 0.885 kg of Oxygen. Calculate the pressure of oxygen at 21 degrees Celsius.
How many mL of a 0.10 m solution of NaOH are needed to completely react with 120 mL of a 0.15 m solution of H2CO3.
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