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A projectile is fired with speed v0 at an angle theta from the horizontal from the horizontal as shown in the figure.Consider your advice to an artillery officer who has the following problem. From his current postition, he must shoot over a hill of height H at a target on the other side, which has the same elevation as his gun. He knows from his accurate map both the bearing and the distance R to the target and also that the hill is halfway to the target. To shoot as accurately as possible, he wants the projectile to just barely pass above the hill.What is the initial speed?
The rate expression for a particular reaction is rate=k[A][B]^2. If the initial concentration of B is increased from 0.1M to 0.3M, the initial rate will increase by which of the following factors
The activation energy for a given reaction is kJ/mol. What is the ratio of the rate constants for this reaction when the temperature is decreased
Are the physical and chemical properties of a compound necessarily similar to those of the elements of which it is composed
Calculate the value of K for the reaction at this temperature. Give your answer in scientific notation
A 100 mL of a 0.100 M solution of vinegar (acetic acid, CH3COOH) is mixed with 100 mL of a 0.100 M baking soda (sodium bicarbonate) solution and a reaction proceeds that generates carbon dioxide, water and sodium acetate.
Balance the following redox reaction in acidic solution. State what is being ocidized, what is being reduced and how many electrons are transferred during the reaction.
Draw the structures of [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2.
The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate?
Calculate the concentration of H3O+, OH-, NH4+, and NH4+, and NH3 in 1.00 x 10-6 M NH4Cl solution. Kw = 1.00 x 10-14 and K = 5.52 x 10-10 for NH4+ H2O ?=? NH3 + H3O+.
Calculate the concentration of cadmium chloride contaminant in the original groundwater sample. Be sure your answer has the correct number of significant digits.
What volume of 0.22 M FeCl3 (mL) should be diluted to 440 mL to make a solution containing .017 M Cl-
One of the main components of hard water is CaCO3. When hard water evaporates, some of the CaCO3 is left behind as a white mineral deposit. If hard water solution is saturated with calcium carbonate, what volume of the solution has to evaporate to..
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