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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.
Calculate the equilibrium concentration of HC2O4- in a 0.20 M solution of oxalic acid.
the label of an aerosol spray can contains a warning that the can should not be heated to over 130 degrees f because of
Why does it take significantly stronger magnetic and electric field strengths to move the beam of alpha particles compared with the beam of electrons (beta particles)
What's A Matter University (good old Whatsamatter U) is developing a database to manage academic issues. You are asked to assist in the design of the database. Sketch the Entity-Relationship diagram for each of the following business needs.
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM
In the following experiment, the water in the glass is stirred by slowly lowering a weight (m=3kg) through a series of pulleys. If the 3kg weight is lowered 10m, the stirrer spins, but eventually all of the kinetic energy of the stirrer is turned ..
The temperature of water decreases on the dissolution of NH4NO3. From this observation, we can conclude that the solution process would be best described as
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
At 298 K, the standard enthalpies of formation for C2H2(g) and C6H6(l) are 227 kJ/mol and 49 kJ/mol, respectively. (a) Calculate ?H° for the following reaction. C6H6(l) 3 C2H2(g)
You are allowed to treat the washed precipitate with one more reagent. By observing what happens when this one reagent is added you should be able to decide, within seconds, what cation is present in your unknown. What one reagent is added
A closed tank contains chlorine gas (Cl_2). The pressure in the tank is 0.0.3 atm and the gas is considered to be immediately dangerous to life or health (IDLH) in concentrations of 10 mg/L or more. Is it safe to go in the tank? Assume temperature..
If an athlete weighs 133lb and has 15.0\% body fat by weight, how many pounds of fat does the athlete's body contain
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