How many moles of co2 are produces
The combustion of ethane produces carbon dioxide and steam:
2C2H6 + 7O2 --- 4CO2 +6H20
How many moles of CO2 are produces when 5.55 mol of ethane are burned in an excess of oxygen.
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The pistonpushed into the cylinder reducing the volume inside the cylinder to 145 ml. At the same time the cylinder is heated to 75 degrees celsius. What is the resulting pressure in the system?
How much ice in grams would have to melt to lower the temperature of 358 g of water from 40 degrees to 0 degrees? (Assume that the density of water is 1.0 (g/ml)
You have always wanted to be your own boss and have your own business. What kind of business venture would you choose – start a new business, buy a franchise, or buy an existing business? Discuss why you have made your choice. Identify three
How much energy (in kilojoules) is needed to heat 3.60 {rm g} of ice from -11.0^circ {rm C} to 30.5^circ {rm C}? The heat of fusion of water is 6.01{rm kJ/mol}.
A corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint, and 29.32 mL of 0.01 M EDTA solution for a calcium endpoint. Calculate the concentration of magnes
Calculate the enthalpy of reaction, using standard enthalpies of formation. (ΔH?f for H2, C2H4, and C2H6 are 0, 52.3 kJ/mol, and -84.7 kJ/mol, respectively.)
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
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