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Suppose a truck with a mass of 14.9 tons (1 ton = 2000 lb) is traveling at a speed of 49.9 mi/hr. If the truck driver slams on the brakes, the kinetic energy of the truck is changed to heat as the brakes slow the truck to a stop. how much would the temperature of 6.91 gallons of water increase if all this heat could be absorbed by the water?
Which electrode gains mass and which loses mass as the cell reaction proceeds? What is the equation for the equation for the overall cell reaction?
draw the organic product of the following reaction between (1s,3s)-chloro-3methylcyclopentane and methanethiol
In a saturated solution of lead (II) fluoride the concentration of lead was measured to be .0021 M. What is the value of Ksp for PbF2?
write the Nernst equation for the reduction of Fe2O3 (s) according to the reaction listed below, write the equation in terms of pH.
ethyl acetate:petroleum ether was used to elute the chlesterol before dichloromethane
A and B mix to form an ideal solution.what is the Gibbs energy of A in the solution as compare to the Gibbs energy
What are the concentrations of HSO4-, SO42-, and H+ in a 0.20 M KHSO4 solution? (Hint H2SO4 is a strong acid; Ka for HSO4- = 1.3x10-2)
prove the presence of the cations listed : Sn2+ , cd2+, Cu2+, Bi3+. write four paragraphs about these cations a paragraph each?
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
Design a synthesis of 4-(carboxymethyl)-nitrobenzoic acid starting with benzene and any other necessary reagents
A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm . What is the partial pressure of argon,PAr , in the flask?
A gaseous mixture of O2 and Kr has a density of 1.104 g/L at 435 torr and 300K. What is the percent of O2 in the mixture?
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