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1. A surge of depth H moves into a stagnant tidal pool of depth 1 m at a speed of 6 m/s relative to a stationary observer on the bank of the pool. Find H, and then find the drift velocity behind the surge, relative to the stationary observer.
2. A surge is observed to enter a tidal channel that is moving at 1 m/s against the surge. If the depths of the water upstream and downstream of the surge are 1 m and 2 m, respectively, what is the speed of the surge relative to a stationary observer on the bank of the channel?
The rate constants of some reactions double with every 10 degree increase in temperature. Presume that a reaction takes place at 340 K and 350 K. Explain what must the activation energy be for the rate constant to double as described
Match each chemical equation with the correct equilibrium constant expression. 2NO(g)......> >>
If we make a solution of a mixture of 2.30g of NaCN in 100 mL of water and 2.60g of HCN in 100 mL of water, what will be the pH of the buffer? 2) Calculate the pH of a buffer that contains 0.20 M acetic acid (HCrFI3O2) and 0.30 M sodium acetate (N..
Determine how many grams of Ammonia are needed to produce 130 grams of hydrogen flouride?
What are the major species present in 0.250 M solutions of each of the following acids? Calculate the pH of each of these solutions.
A 1.50L sample of neon gas at 1.10 atm and 25 degrees celsius is heated to 45 degrees celsius. The neon gas is then subjected to a pressure of 1.50 atm. Determine the new volume of the neon gas.
What substances are present after the reaction is over? How many grams of ammonia are formed? How many grams of the excess reagent remain after the reaction is complete?
A voltaic cell is constructed by immersing a strip of silver metal in a 1.0 M AgNO3 solution and a strip of cadmium metal in a 1.0 Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way.
What is the difference between an instrument detection limit and a method detection limit? (Select all that apply.) 1.There is more variability in the instrument detection limit, so it should be higher than the method detection limit.
mercury(II) acetate is alowed to react completely with a solution containing 9.718 g of sodium sulfide, how many grams of solid precipitate will be formed. How many grams of the reactant in excess will remain after the reaction
A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed
When 2.00 mol of NOCl(g) was heated to 225 degrees celcius in a 400L steel reaction vessel, the NOCl partially decomposed according to the equation 2 NOCl(g) -->2 NO(g) + Cl2(g)
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