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Rapid glycolysis during strenuous exercise supplies the ATP needed for muscle contraction. Ever since the lactate dehydrogenase reaction does not produce any ATP, would glycolysis be more proficient if this reaction did not occur, and pyruvate was the end product rather than lactate? Why or why not?
both the reduced and oxidized derivatives of cuiih262 show no tendency to distort. explain why there would be no
a researcher requires 20l if a buffer solution with pH=4.25. How many moles of formic acid, and sodium fomate, could be dissolved in the solution to make this buffer, if none of the equillibrium concentrations should be under 0.100M?
A 1.080 g sample of a new organic substance is combusted in the same calorimeter. The temperature of the calorimeter increases from 22.14°C to 26.82°C. What is the heat of combustion per gram of the new substance
Pentane (C5H12) reacts with oxygen (02) to produce carbon dioxide and water. The reaction is very exothermic, with delta H = -353\ kj/mol. calculate ( with work shown) the heat of formation of pentane
An alkaline earth metal, M, combines with a halide, X. Will the resulting compound be ionic or covanlent. Why. What is the Lewis structure for the compound
an iron bar of mass 869 - g cools from 90 oc to 5 oc gt calculate the heat released in kilojoules by the metal.
which of the following are found in cell membranes?
The rate constant for reaction A is doubled when the temperature is increased by 10 degrees. The rate constant for reaction B is tripled by 10 degree increase in temperature
Equal volumes of an unknown gas and nitrogen (N2) gas take 5.37 min and 3.55 minutes, respectvely to effuse through a small pin hole. calculate the molar mass in g/mol of the unknown gas
a 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 m naohaq. if the density of the vinegar solution is 1.00
The second order rate constant for a reaction is 8.700 x 103 M-1s-1. If the initial reagent concentration is 0.90500 mol/L, determine the time (in seconds) required for the reagent concentration to reach 0.46200 mol/L.
Fe2O3 are actually obtained from 4.86 g Fe, what is the percent yield? c. Under other conditions, the percent yield is 75.6%. How many grams of Fe2O3 are formed from 4.86 g Fe under these conditions
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