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A car is moving at 60.0mph when it slams on the brakes and slows to 30.0mph in 1.50 s. Assuming constant acceleration, how many meters did the car travel during that time? (Use 1mph = 0.4469 m/s)
Begin from the Maxwell distribution of speeds as well as derive an expression for the most probable speed of a gas of molecules at temperature T.
sodium reacts with hydrogen gas. how many grams of sodium are needed to react with 2.50 l of hydrogen measured at stp?
How much heat is needed to raise the temperature of 81.0 g of water from 34 degrees celsius to 9.0x10^1 degrees celsius
Suppose that a fully charged lead-acid battery contains 1.50 of 5.00 . What will be the concentration of in the battery after 3.90 of current is drawn from the battery for 5.50
A 14.0-g sample of CaCl2 is dissolved in 131 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
Sodium thisulfate, Na2S2O3, is used as a fixer when developing photographic film. What is the mass in grams of Na2S2O3 needed to make 100ml of a 0.25 solution?
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum
Calculate OH- for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. h+ = 2.7×10?3.
At what temperature degrees C will xenon atoms have the same average speed that Cl2 molecules have at 25 degrees C
chlorine has two naturally occurring isotopes35cl isotopic mass 34.9689 amu and 37cl isotopic mass 36.9659 amu. if
Litmus paper is a classic pH indicator. Describe the color change litmus paper undergoes when placed in both acidic and basic solutions
Gallium has two common isotopes Ga-69 and Ga-71. Suppose we wanted to use the Ga-71 isotope for some reason, and obtained a pure 6.0g sample of Ga-71.
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