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Determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment. Why is it necessary to use a greater molar ratio than theoretical?
A gas is heated from 269 K to 283 K while its volume is increased from 21.5 L to 37.0 L by moving a large piston within a cylinder. If the original pressure was 1.10 atm, what would be the final pressure?
The concentration of an enzyme within a cell is extremely low realtive to other material present, yet functions effectively in its metabolic rate. How can enzyme function and never seem to run out?
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?
How many kilograms of CO2 are produced from the complete combustion of 1.00L of gasoline assume that the gasoline has the formula C8H18.
A 280ml flask contains pure helium at a pressure of 754 torr . A second flask with a volume of 475ml contains pure argon at a pressure of 732 torr . If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial..
what would be the payload if helium were used instead of hydrogen?, d.) would you and a companion on board, the balloon ascends to 30,000 feet where pressure is 0.28 atm. Assume no volume change, what is the temp (in celsius) at 30,000 feet?
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid.
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
What is the pH of a buffer solution that is 0.15 M chloroacetic acid and 0.10 M sodium chloroacetate? Ka = 1.3x10^-3.
how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?
Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.
Write the electron configuration of selenium. List the following compounds in order of increasing lattice energy: NaCl, NaBr, MgO, CaO.
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