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1. Determine the mass in kg of one molecule of water.
2. Determine the mass in lbm of one molecule of methane.
3. The density of benzene (C6H6) is 879 kg/m3. Determine the volume of
a. 1 kgmole of benzene.
b. 1 molecule of benzene.
Suppose that the spin quantum number, ms could have three allowed values instead of two. How would this affect the number of elements in the first four rows of the periodic table?
1) 20.0 mL of a 0.10M weak acid (Ka= 1.56X10^-6) is titrated with a 0.20M strong base. a. What is the pH initially, before any titrant is added
A chocolate chip cookie gives you 4.37 x 10^2 kj or energy. If this energy were used to boil water, how many micrograms of water would be vaporized? Assume that the water is already at 100C
Cyclohexane has a freezing point of 6.50 degrees C and a Kf of 20.0 degree C/m . What is the freezing point of a solution made by dissolving 0.463g of biphenyl (C12H10) in 25.0g of cyclohexane
Consider the reaction that explain the Haber process for the production of ammonia: N2(g) +3H2(g) 2NH3(g) for which Kc at 300 degrees C is 9.5. Compute Kp for this reaction at300 degree C.
What characteristic H NMR absorption would be expected in the aliphatic region for 9-hydroxyfluorene
Why does bromine add faster to a disubstituted double bond than a monosubstituted double bond to produce dibromides
A 0.831-g sample of SO3 is placed in a 1.00-L container and heated to 1100 K. The SO3 decomposes to SO2 and O2: 2SO3(g) 2SO2(g) + O2(g). At equilibrium the total pressure in the container is 1.300 atm. Calculate Kp for the above reaction at 1100..
A sample of argon gas at a pressure of 0.981 atm and a temperature of 29.7oC, occupies a volume of 12.5 liters. If the gas is allowed to expand at constant temperature to a volume of 19.1 liters, the pressure of the gas sample will be
What is the percentage of Fe in iron(II) ammonium sulfate hexahydrate, Fe(NH4)2(SO4)2 * 6 H2O
when most Fe+3 salts are dissolved in dilute nitric acid, the solution is often yellow to orange in color. Why could you not visually detect these colors in the Fe(NO3)3 stock solution?
The potential intersections of various catabolic and anabolic pathways through common metabolic intermediates and products.
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