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Convert your weight (the force due to gravity) from pounds to Newton's (1 lb = 4.45 N). b) Using the fact that on the surface of the Earth, where g is constant, 1 kg has a weight of 2.2 lbs, find your mass in kg. C) Convert your height in feet and inches into meters (1 ft = 30.48 cm; 1 in = 2.54 cm).
Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00-g sample of each compound. One sample contains 0.32 g of X and the other contains 0.41 g of X. Identify plausible sets of formulas for these two compoun..
a weak base used in the manufacture of dyes. Calculate the value of Kn for the neutralization of aniline by vitamin C. (ascorbic acid, C6H8O6, Ka = 8.0 x 10 -5).
A 120-pound person uses 3 Calories per minute walking at a 20 min/mile pace. Approximately, how many miles would a person have to walk to burn off a scoop of ice cream (175 Calories)?
Water's heat of fusion is 80. cal/g, and its specific heat is 1.0 cal/g.celsius. Some velomobile seats have been designed to hold ice packs inside their cushions.
Consider the following reaction how many moles of oxygen are requited to produce 1.50 moles of water. Assume that there is an excess of C3H7SH present.
Given Mo Energy level diagram for diatomic molecules, which of the following molecular molecular ions has a bond order of 3. Why
Unlike translational degrees of freedom, the rotational partition function must be evaluated by summation, unless the high-temperature limit is obtained. What is the definition of the high-temperature limit for rotations?
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
Write chemical equations for the reaction of calcium with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations
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
A 135 mL sample of a 15.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.50 L.What is the freezing point of the final solution.
Assume that the wet limestone process requires 1 metric ton of calcium carbonate to remove + 85.0 % of the sulfur from 4 metric tons of coal containing + 10.0 % S Assume that the sulfur product is calcium sulfate.
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