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Briefly explain what is meant by collision theory?
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
How would a decrease in the volume of a gas initially heldat STP affect. The Kinetic energy of the gas if T is constant, the average speed of the gas and the total number of collision with the walls of the vessel
.914g sample of stannous flouride gives a 1,078g precipitate of stannous phosphate. calculate the theoretcial yeild?
Which of the following experimental observations best justifies Bohr's assertion that the energy of the electron in the isolated Hydrogen atom is restricted to certain allowed values (quantized)
Pressure in a manometer, A manometer consists of a U-shaped tube containing a liquid. One side is connected to the apparatus and the other is open to the atmosphere
A component of a protein called serine has the following percent composition by mass: 34.95% C, 6.844% H, 46.56% O, and 13.59% N. It also has an approximate molar mass of 100 g/mol.
a student dissolves two moles of mgno32 into a beaker of water. how many nitrate ions are present in the
How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.
An aqueous solution of ethylene glycol C2H6O2 is 40% ethylene glycol by mass as well as has a density of 1.05 g/ml. Explain what are the molarity, molality, and mole fraction of the solution
Suppose that 160 g of ethanol at 30?C is mixed with 230 g of ethanol at 76?C at constant atmospheric pressure in a thermally insulated vessel.
Consider the chemical reaction 2NH3(g) N2(g) + 3H2(g). The equilibrium is to be established in a 1.0 L container at 1,000 K, where Kc = 4.0 ? 10-2. Initially, 1,220 moles of NH3(g) are present. Estimate the equilibrium concentration of N2(g).
If there is the possibilty that the container may rupture if the pressure exceeds 8.0 atm, at what temperature is rupture likely to occur?
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