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Tom is a 75.0 kg bicyclist who recently averaged 42.0 km/h during a 240. km race with an 8.40 kg racing bike. If he consumes 4100. L of oxygen and has a muscle energy conversion efficiency of 25.0%, determine
a. His rate of conversion of oxygen in L/min.
b. His locomotion transport number.
Which of the possible unknown for this experiment would give this behavior? Write a balanced equation for the reactions observed with Na2S and KOH.
Consider the lewis structure for the polyatomic oxyanion shown below, where X is the element from the 3rd period (Na- Ar). By changing the overall charge
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 2Na(s)+Br2(g)->2NaBr(s) 1. 2mol Na, 2mol Br2 Express your answer as a chemical formula.
Compute the vapor pressure at 25 °C if it is given that the density of H 2 O=0.9971 g/mL , vapor pressure of H 2 O=23.76 torr, molar mass of sucrose, = 342.3 g/mol,
Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Specify E/Z isomerism in your drawings when appropriate.
What is the order of a reaction that has the following time and concentration data? Time concentration
Sketch a voltaic cell represented by the line notation below. Write the overall balanced redox reaction equation and calculate Eocell Mn(s) | Mn2+(aq) || ClO2-(aq) | ClO2(g)
Talk about the differences associated with the product enthalpy curves for the ideal combustion case compared with the equilibrium case.
For the first order decomposition of acetone at 650 K, the concentration of acetone was 0.350 M after 25.0 min and 0.170 M after 40.0 min.
Explain which you would choose as a starting material to prepare an alkene with the maximum yield.
what is the structure of an ester of 2-methylpropionic acid that has the molecular formula: C8H13ClO2 and 5 signals in its 1H NMR spectrum?
consider the titration of 25 mL of .25 M NH3 with .05M HBr .What is the pH at the equivalence point?
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