Kilo joules are needed to raise the temperature
How many kilojoules are needed to raise the temperature of 325 g of water from 15.0C to 77.0C? How many kilojoules are needed to raise the temperature of 325 g of water from 15.5C to 77.5C?
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If a reaction mixture contains only N2O and NO2 at partial pressures of 1.0 atm each, the reaction will be spontaneous until some NO forms in the mixture. What maximum partial pressure of NO builds up before the reaction ceases to be spontaneous?
Calculate the amount of N2 gas released (in liters at 37 degrees celsius 1 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.8 atm.
An automobile gasoline tank holds 21kg of gasoline,when the gasoline burns, 84kg of oxygen is consumed, and carbon dioxide and water is produced. What is the total combined mass of carbon dioxide and water?
Karen wants to compare using the cost plus method to the percentage markup method. If she sells 2 small rice pads, 4 medium rice pads, 2 large rice pads, and 20 boxes of $3.50 tea in a month, how much profit does she accumulate? What markup percen
Based on mole ratios. A sample is 59.53% C, 5.38%H, 10.68%N, and 24.40%O what is its empirical formula. A 0.2000 gram sample of a compound (vitamin C) composed of only C, H, and O is burned completely with excess O2 . 0.2998 g of CO2 and 0.0819 g of
A piece of copper wire is 25 feet long and has a diameter of 2.0mm. Copper has a density of 8.92g/cm^3. (a) how many mols of copper are there in this wire?
What percent of each reactant will remain at equilibrium? What is the free energy change for the reaction after 10% of the reactants have been converted to products?
An iron bar of mass 869 - g cools from 90 oC to 5 oC > Calculate the heat released (in kilojoules) by the metal. ( specific heat = 0.44 J/(g. c)
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