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For the gas phase decomposition of t-butyl alcohol, (CH3)3COH (CH3)2C=CH2 + H2O the rate constant at 811 K is 1.05E-3 /s and the rate constant at 846 K is 5.64E-3 /s. The activation energy for the gas phase decomposition of t-butyl alcohol is
Photosynthesis is estimated to produce 330.0 g (dry weight) of plant matter per square meter, 50% of which is carbon. Calculate the total number of grams of carbon "fixed" each year by 1000 square meters.
A student determined the molar mass of an unknown non-electrolyte compound by measuring the freezing point depression of an aqueous solution of the compound.
Given the reaction 2C2H2(g) + 5O2(g) ->4CO2(g) + 2H2O(g) , how much oxygen gas is needed for the complete combustion of 167 g of acetylene (C2H2)? Answer in units of g
A 51 kg person drinks 400. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 15% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
Zinc and sulfur react to form zinc sulfide by the equation shown below. How many grams of ZnS can be formed when 12.0 g of Zn reacts with 6.50 g of S? (Atomic mass: Zn = 65.38, S = 32.06).
What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
Calculate the pH of a buffer solution made by adding 10.0g of anhydrous sodium acetate (NaC2H3O2) to 100 ml of 0.100M acetic acid.
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops
Why can't i reduce carboxylic acid using sodium borohydride while lithium aluminium hydride can do the same thing.
One of the main reactions involved in the production of iron from iron(III) oxide as found in iron ore, proceeds according to the following balanced chemical equation
Describe two types of regulation of the enzyme glutamine synthetase and explain why the regulation
A mole of hydrogen gas was found to have an average De Broglie's wavelength of 1A (10^-10m), the approximate length of the H-H bond. What temperature is the gas kept at
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