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An arrow is launched at an angle relative to the ground. As it soars through the air, the magnitude and direction of its acceleration is?9.8 m/s2 horizontally.
a. 32 m/s2 horizontally.
b. 32 m/s2 downward.
c. m/s2.
d 9.8 m/s2 downward.
At room temperature (20), milk turns sour in about 65 hours. In a refrigerator at 3, milk can be stored three times as long before it sours. What is the activation energy of the reaction that causes the souring of milk?
Consider the following reactions and their associated equilibrium constants: A + 2B ~~~> C K1 C ~~~> D + E K2 For the reaction A + 2B ? D + E, having equilibrium constant Kc, A) Kc = K1 + K2 D) Kc = (K1)(K2) B) Kc = K1/K2 E) Kc = K2/K1 C) Kc = K1 ..
Ascorbic acid (Vitamin C, H2C6H6O6) is a diprotic acid. In a laboratory exercise, a vitamin C tablet was analyzed by titration using 0.125 M NaOH(aq). On the average, it required 29.5 mL of the base to neutralize the acid in the one tablet. How ma..
Depict the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.
an equilibrium mixture at 727oc contains0.276 mol h2 0.276 mol co2nbsp0.0700 molh2nbspand 0.0850 mol
Why can a first nitration be done at 0 degrees Celsius but the ice bath is removed to complete the reaction in a dinitration
1.) On a cold, dry morning after a frost, the temperature was - 5 oC and the partial pressure of water in the atmosphere fell to 2.0 Torr. Will the frost sublime? What partial pressure of water would ensure that the frost remained?
Demonstrate that L^2and Lzcommute withanyHamiltonian (for a single particle) for which the potential energy is spherically symmetric
Problem- Find the number of cals needed to raise the temperature of 60.0g of Al from 35C to 55C. The molar heat capacity of Al is 5.8 cal/mol C.
A pot is made out of iron (mass=11 kg and SH capacity of .4498 J/g degree celcius) and you have 1 liter of pure water, starting with H20 at exactly 15 celcius and wanting to get it to boik
Propose a method for the synthesis of a block copolymer of Polystyrene-b-poly (methyl methacrylate) (PS-b-PMMA) by coupling of telechelic PS and PMMA, synthesized by living polymerization methods. Write down the reaction scheme. How would you know..
What volume will nitrogen gas occupy if the pressure is increased to 894 torr at constant temperature?
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