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Consider the combustion of methane ( as represented by the following equation). This is the reaction that occurs for a bunsen burner, which is a source of heat for chemical reactions in the laboratory. CH4(g) + 2O(g) <--> CO2(g) + 2H2O (g); for the system at equilibrium, which of the following explains what happens to theequilibrium position and K if the tempature is raised?
One possible explanation is that two molecules of collide with each other and form two molecules of the product in a single elementary step. If that were the case, what reaction order would you expect
water has a molar heat of vaporization 40.79 kjmoldetermine how many grams of water could be vaporized by 0.806 kilo
a piece of copper wire is 25 feet long and has a diameter of 2.0mm. copper has a density of 8.92gcm3.a how many mols of
What is the value of x in the formula for the hydrate? (hint: remember that x represents the ratio of moles of H2O to moles of hydrate compound, and that moles of hydrate compound equals the moles of anhydrous compound)
If heat is given off by a system then the heat has a negative sign If work is done on a system then the work has a negative sign Work, heat and temperature all have units of joules The 1st law of thermodynamics is represented
What is the characteristic of matter that causes it to expand when the temperature increases and contract when the temperature decreases?
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.
the world's estimated annual gas reserves in 2006 were 6124 trillion ft3 .The world rate of annual use was 105.5 trillion feet3. How long these reserves will last if the rate of use continues?
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C. Pure benzene (kf=5.10 degrees C/m) freezes at 5.50C.
Determine K for the reaction, H2C6H7O6(aq) + 2OH-(aq) = C6H7O6 2-(aq)+ 2H2O(l) given that H2C6H7O6 ka1=8E-5 and Ka2=1.2E-12
A steam turbine receives a flow of 10,000 lb of steam per hour and delivers 500 kW in that period. Heat losses from the casing and the turbine bearings may be assumed neglible
How much heat (kJ) is absorbed/ released? b. What is the change in internal energy (kJ) if the reaction results in a volume change of - 2.78 L?
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