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A chemical process requires 8.700 g-mol of calcium sulfate (CaSO4) for a reaction. How many grams are in 8.700 g-mol of calium sulfate
Calculate the volume of all gases evolved by the complete oxidation of 0.380 of the amino acid alanine if the products are liquid water, nitrogen gas, and carbon dioxide gas; the total pressure is 1
How do you balance the equation for the oxidation of alanine to liquid water, nitrogen gas, and carbon dioxide gas
The solubility of O2 in water is 6.5 mg/L at an atmospheric pressure of 1.0 atm and temperature of 40 degrees C. Calculate the Henry's Law constant of O2 at 40 degree C. The mole fraction of O2 in a
Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life for this reaction
At what temperature will He atoms have the same Crms value as N2 molecules at 25 degrees Celsius. Solve this problem without calculating the value of Crms for N2. Crms is the root mean square speed.
At what temperature will He atoms have the same Crms value as N2 molecules at 25 degrees Celsius? Solve this problem without calcularing the value of Crms for N2. Crms is the root mean square speed.
Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply.
At a certain concentration of reactants the rate of appearance of water in the following reaction is 0.51 M/s.
Why did the discrepancy between experiments and classical theory for blackbody radiation occur at high and not low frequencies
Calculate the energy of a mole of photon with wavelength of (a) 200nm (ultraviolet), (b) 150pm(X ray), and (c)1.00cm (microwave).
How did the Dulong-Petit law fail to reproduce heat capacities of monatomic metals at low temperatures and how did Einstein explain and rectify this failure
Place the following complex numbers in a two-dimensional complex plane and find their absolute value lzl and phase angle arg
Draw the trinucleotide formed when a DNA polymerase catalyzes the addition of dCTP do the dinucleotide pppGA.
Calculate the energy of a mole of photon with wavelength of (a) 200nm (ultraviolet), (b) 150pm(X ray), and 1.00cm (microwave).
Calculate the pH for the following cases in the titration of 25.0mL of 0.2M cyanic acid (HCNO, pKa=3.66) with 0.2M RbOH solution
Initially the stopcocks are closed. One of the flasks contains 2.0 of , the second 3.7 of , and the third, 0.10 of ethanol. The vapor pressure of at 308 is 42 and that of ethanol is 102 . The stopco
If the sun is a distance of 1.5 x 10^8 km from earth, how many minutes does it take sunlight to reach earth if light travels at 186,000 miles each second
explain how to identify a molecular compound based on a: chemical formula and on a systematic name
one can of soup contains 305 grams of soup. The soup contains .885 grams of salt. What percent of the soup is salt
what temperature should the tube be maintained to have a partial pressure of 1.0mm of O2 in the exit gas? Assume that the total pressure of the gas in the tube is 1.30atm.
The bottom liquid is a relatively heavy lubricating oil, and the top liquid is water. Of the total block volume, 54.2% is immersed in the oil and the balance is in the water. In a separate experimen
Write the name of the major organic product obtained from the reaction between 1-phenyl-1-ethanol and concentrated sulfuric acid when heated.
How many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2?
Consider a gas mixture in a 1.50 dm3 flask at 22.0 C for each of the following mixtures, calculate the partial pressure of each gas, the total pressure and the composition of the mixture in mol perc