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A golfer on a level fairway hits a ball at an angle of 37° to the horizontal, and it travels 100 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at a different angle. This ball also travels 100 yd. At what angle was the second ball hit?
Drawa a fat (oil) molecule representing corn oil. The fatty side chains that you need to include are two of the esters group derived from oleic acid and one from the linoleic acid. Draw the structure of this oil clearly with appropriate double bon..
Calculate the free energy change if the ratio of the concentrations of the products to the concentrations of the reactants is 24.5, and the temperature is 37.0 °C? ?G°\' for the reaction is -16.7 kJ/mol. The constant R = 8.3145 J/(mol•K)
Question- What is the silver ion concentration in a solution prepared by mixing 337 mL of 0.361 M silver nitrate with 429 mL of 0.428 M sodium chromate? The Ksp of silver chromate is 1.2 x 10-12
The half life of a first-order reaction was found to be 439 s; what is the time constant for the reaction
The pH of a 2.1 M solution of a weak acid, HA, at 298K is 1.85. What percent of the acid has dissociated
Pick a problem that you are currently experiencing as well as apply the steps of the scientific method. This must be a problem with which you can be valid all the steps of the scientific method, so make sure to set aside time to put your hypothesi..
at 25.0degc a sample of xe gas occupies 545 ml in a piston-cylider apparatus when the external pressure is 751 torr. at
The laser pointer emits light because electrons in the material are excited (by a battery) from their ground state to an upper excited state. When the electrons return to the ground state they lose the excess energy in the form of 670 nm photons
Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. 5.1(+-0.3) - 3.7(+-0.2) Need Numeric Result, Absolute Error, and Relative Error
Use Le Chatelier's principle to explain the color change which you observed after the addition of distilled water to the equilibrium mixture above.
Consider the following initial rate data (at 295 K) for the decomposition of a substrate (substrate 1) which decomposes to product 1 and product 2
Given a concentration of 100 ppm in water, calculate the predicted equilibrium concentration concentration in air for methyl tertiary-butyl ether (MTBE)
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