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Find the energy conversion efficiency of a 2000. lbf thoroughbred racehorse with a 120. lbf jockey and tack running 1.25 miles on a flat track in 144 s. The horse accelerates to a constant speed at the starting gate and maintains this speed throughout the race.
During the race, the horse expends energy at the rate of 33,000. Btu/h. Ignore any aerodynamic effects.
sketch the full schematic for the voltic cell corresponding to the redox reaction shown below;Fe(s) +Cu^2+(aq)---->Cu(s)+Fe^2+(aq). write the shorthand notation for the voltic cell corresponding to the above redox reaction.
If 25.1 mL of 0.1222 M NaOH id required to reach the first equivalence point of a solution of citric acid (H3C3H5O7), how many mL of NaOH are required to completely neutralize this solution
If molar heat of a given salt = 50.9 kJ/mol and the volume of water in which the given salt is to be dissolved in 300. mL. How many grams of salt must be dissolved for a temperature drop of 3 degrees celsius
calculate the number of excess reagent units remaining when 41 C2H4 molecules and 102 O2 molecules react?
metabolic activity in the human body releases approximately 1.0 x 104 kj of heat per day. assuming the body is 50 kg of
ammonia undergoes autoionization by the transfer of a proton: 2NH3 NH4+ + NH2-, K = 1×10^-33 at -50°C Since ammonia is better proton acceptor than water, the ionization of acids is relatively enhanced in liquid ammonia. For example, acetic acid i..
Considering only the R-groups for the amino acids below, which one would NOT contain a nucleophile at a high pH (> 11) a. Lys b. Ser c. Cys d. Trp e. none of the preceding
Problem-Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0280 M Ag (aq). 1) What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate
Find H+ and the pH of the following solutions a) .30M HBr b) a solution made by diluting 10.0 mL of 6.00 M HCl to .300 L with water
what is the partial pressure of hydrogen gas in a mixture of hydrogen and helium if the total pressure is 588 mm hg and
A quantity of 6.0 moles of an ideal gas is reversibly heated at constant volume from 17 C to 35 C. Calculate the entropy change.
A compound with molecular formula C5H10O2 has the following 1H NMR spectrum: 1.15 (t, 3H), 1.25 (t, 3H), 2.33 (q, 2H), 4.13 (q, 2H). Draw its structure. Hint: How many rings and ? bonds does C5H10O2 have?
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