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A small glass bead weighs 287 mg and a small marble weighs 8.42 g. A quantity of small glass beads weighs 5.09 kg. What does the same number of marbles weigh?
Helium (ϒ=3/5) at 300 K and 1 atm pressure is compressed quasi-statically and adiabatically to a pressure of 5 atm. Assuming that the helium behaves like the ideal gas, calculate the final temperature.
An alternate method for determining rate law is to moniter concentration of each reactant continuously over span of rxn. explain no more in 1 paragraph how rate law is derived from data obtained.
The electron is passed down an electron-transport chain, at the end of which NADP+ is reduced. The reduction potentials of P700+, A and NADP+ at pH7 and 25 oC are 0.490V, -0.900V, and -0.350V respectively.
How much heat is required to warm 227 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Certain race cars use methanol (CH3OH; also called wood alcohol) as a fuel. Methanol has a molecular mass of 32.0 g/mol and a density of 0.79 g/mL. The combustion of methanol occurs according to the following equation:
A child's cubic play block has a mass of 120 g and sides of 5.00 cm. When placed in a bath tub full of water, will the cube sink or float? A ball with a radius of 8.00 cm and a mass of 600 g is thrown into a lake. Will the ball sink or float?
An iron (II) complex of the formula FeL5 2+ might have either square pyramidal or trigonal bipyramidal geometry. Would it be possible to differentiate between these geometries on the basis of a magnetic susceptibility? How would the number of unpa..
How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 16.0 L of H2 gas if the pressure of H2 is 729 torr at 21.0°C?
calculate the rate at each time interval amp average rate for the reaction.2h2ognbspharr 2h2gnbsp nbsp o2gthe
if you doubled the volume of solution and kept the quanties of the reactants the same what would happen to the reaction
A battery charger use to recharge NiMH batteries can deliver as much as 0.40 A of current to each battery. If it takes 100 min to recharge one battery, how much Ni(OH)2 (in grams) is oxidized to Ni(OH)?
Consider a hypothetical reaction between A, B, and C that is first order in A, zero order in B, and second order in C. Write the rate law for the reaction. How does the rate change when [A] is doubled and the other reactant concentrations are held co..
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