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An airplane flying directly eastward at a constant speed travels 300 km in 2.0 h.
(a) What is the average velocity of the plane?
(b) What is its instantaneous velocity?
a current of 0.50 a passes through a copper ii sulfate solution for 15 min. how many coulombs and electrons pass
determine the final pressure volume temperature and number of moles of gas when the volume is reduced by halfnbspat the
Use the standard reduction potentials to find the equilibrium constant for each of the following reactions at 25°C.(a) Br2(l) + 2 I ?(aq) 2 Br?(aq) + I2(s)
an aluminum plate has a length of 0.12 m and a width of 0.10 m at 25 degc. the plate is uniformly heated to 225 degc.
A typical serving of cheddar cheese contains 176 mg of sodium. How many moles of sodium are contained in this amount of cheddar cheese
Under certain conditions, a reaction leads to ?SUNIV = -333.5 J/mol*K at 150 degrees C. If ?SSYS = 237.2 J/mol*K at that temperature, determine
A blight has wiped out the pineapple crop. You are asked to synthesize the ester that is responsible for the scent of pineapple, butyl butanoate. Draw the skeletal structure of the reagents needed to make this scent.
What volume of ammonia gas measured at 762 mm Hg and 21.0 °C must be absorbed by the same solution to neutralize the HCl?
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes?
The composition of the flue gas, which is at 720°C is 13% CO2, 14.3%H2O, 67.6% N2 and 5.1% O2. What was the heat transfer to or from the combustion process?
Classify each of the subsequent reactions as a combination, single replacement, decomposition, double replacement or combustion
Define the potassium iodide exhibits predominantly ionic bonding. The K as well as I ions have electron structures that are identical to which two inert gases
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