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Question:
In Europe, gasoline efficiency is measured in km/L. If your car''s gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe? Use the following conversions: 1km=0.6214mi and 1gal=3.78L.
a tank of compressed o2 gas is 6.00 ft high and has a diameter of 8.00 in. the tank is filled with o2 to a pressure of
Molecular compound Y2(g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) has a bond energy of 1500 kJ/mol. Using bond-energy information, calculate ?H for the following reaction:
Diethyl ether has a deltaH vap of 29.1 kJ/mol and a vapor pressure of 0.703 atm at 25.0 C. What is its vapor pressure at 81.0 C
Explain how many grams of lithium nitrate, LiNO3 are necessary to prepare 3.00 x 102mL of 2.00 x 10-1 M solution
The activation energy of an uncatalyzed reaction is 88kj/mol . The addition of a catalyst lowers the activation energy to 60kJ/mol . a. Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the ..
The solubilities of cholesterol in water and chloroform are 0.520 mg/100mL and 1.00 g/4.5mL, respectively. Estimate the partition coefficient of cholesterol between chloroform and water. Explain what conclusion can be drawn about the polarity of c..
calculate the amount of heat evolved in the complete oxidation of 8.17 g of al at 25oc and 1 bar pressure. the standard
Question- Concerning the applicability of the titration method, comment on if and how you could use it to determine Ksp for each of the following: a) barium hydroxide b)calcium sulfate
how many moles of oxygen are required to react completely with 5 mol C8H18?
One cubic meter of ideal diatomic gas is expand from 150 degrees, 8 bar isothermally to the final volume. The gas is then cooled at constant volume until 50 degrees and 3 bar
PI3Br2 is a non-polar molecule. Founded on this information, find out the I-P-I bond angle, the Br-P-Br bond angle, and the I-P-Br bond angle.
Phosphate can buffer in three pH ranges. Give the chemical formulas of the buffer pairs and give the range in which each buffers. Start with H3PO4/ H2PO4-1
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