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What is the trouble with Macro according to Paul Romer? Be thorough and explain troublesome models and key terms such as: identification, and phlogiston.
find the molecular weight of a gaseous compound if the density is 12.24 g/L, the pressure is 900 torr, and the temperature is 47 degrees celcius.
One of the treatments for gangrene and the bends, is hyperbaric oxygenation. This occurs in a chamber in which oxygen is used at higher-than-normal pressures.
A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80°C, what is the final temperature of the gas.
If you mixed 75 ml of 2 M HCl with 37.5 ml of 4 M NaOH, how many joules of heat would be released? How much would the temperature of the solution increase?
What is the PH of this solution If the Ka = 1.5 x 10^-2 and [HSO4]=1.0 M at equilibrium and what is the relationship between [SO4^2-] and [H3O=]
a 200 gram sample of a large biomolecule was dissolved in 15 grams of carbon tetrachloride. the boiling point of this solution was determined to be 77.85 degees celcius. calculate the molar mass of the biomolecule.
A chemist is trying to determine the amount of CaCO3 in an antacid tablet. She dissolves the tablet in water and titrates it with HCl according to the following reaction
the hydrolysis of methyl acetate into ch3oh and ch3cooh in 1m hclhas been studied at 25 degrees c. the extent of
write lewis structures that obey the octet rule for each of the following molecules and ions. in each case the first
Initially a mixture contains 0.601 mol each of N2 and O2 in an 7.65-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C. N2(g) + O2(g) 2 NO(g)
Problem- Draw and identify the monosaccharides that would be formed in a Kiliani-Fischer homologation of D-xyglose
Calculate the mass of the precipitate formed when 2.27 L of 0.0820 M Ba(OH)2 is mixed with 3.06 L of 0.0664 M Na2SO4.
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