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An average home in Colorado requires 20. GJ of heat per month. How many grams of natural gas (methane) must be burned to supply this energy? CH4(g) + 2O2(g) ? CO2(g) + 2H2O(l) ?H°rxn= -890.4 kJ/mol
When 50 mL of water contains 0.50 moles HCl at 22.5 degrees celsius is added to 50.0mL of water containing 0.50 mol NaOH at 22.5 degrees celsius in a calorimeter, the temperature of the solution increases to 26.0 degrees celsius.
How does iron particle size affect the removal of the dyes? In addition to the synthesized nanoparticles, you will have access to several different bulk iron particle samples (with diameters of 1 mm, 0.15 mm, 0.069 mm, and
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
Calculate the mass of silver chloride required to plate 245 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% Ag
Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr at 633 Celsius and 400.0 Torr at 823 Celsius. Calculate its heat of vaporization.
How is the characteristic of line spectrum determined in an element? Does each element produces a particular color?
a 4.0 g sample of iron was heated from 0 degrees celsius to 20 degrees celsius. it absorbed 35.2 j of heat. what is the specific heat of this piece of iron?
Rapid Burning of Sugar Versus Its Stability Against Oxygen, Why is sugar stable under standard conditions.
Calculate the volume (in liters) occupied by 2.08 moles of nitric oxide (NO) at 5.84 atm and 76°C.
rewrite the equation so heat of reaction (delta H) equals deltaHf for 4PCl3 (g) yields p4(s) + 6Cl2 (g) Values for delta HF in Kj/mol are:
Calculate the systematic treatment of equilibrium. Remember C2O4^2- is a weak base so you must consider other equilibria. (Ksp(ZnC2O4)=7.5X10^-9, Kb1=1.8X10^-10, Kb2=1.8X10^-13). Solve using systematic treatment of equilibrium.
Burning something is the combining with oxygen. Hydrocarbons, such as methane, ethane, octane (for automobiles)., combine with oxygen to form carbon dioxide and water. These combustion reactions all release energy and are all exothermic.
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