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Canadian 10¢ and 25¢ coins are made of pure nickel which has a density of 8.902 g/cm3. Suppose each dime weighs 2.00 g and each quarter weighs 5.00 g. A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.87 mL mark. What is the combined monetary value (in Can$) of those coins?
A sample of iron has a mass of 257.0 lb and a volume of 0.523 ft3. What is its specific gravity? and What are the units of specific gravity?
Calculate the pressure inside the graduated cylinder it the height of the water is 5mm higher than the water in the trough. The atmospheric pressure is 760 mm Hg
The GMC Sierra 15 Hybrid 2WD, a hybrid electric vehicle, has an EPA gas mileage rating of 23.0 mi/gal on the highway. How many kilometers can the Sierra 15 Hybrid 2WD travel on the amount of gasoline
Determine At what temperature will Kp 2.00? if it is given that Delta H = +57.2 kJ/mol,Kp = 0.113 at the temperature of 298 Kelvin?
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0297 M EDTA, 13.71 mL
One hundred grams of water is saturated with NH4Cl at 50 degrees celsius . According to Table G, if the temperature is lowered to 10 degrees celsius, what is the total amount of NH4Cl that will precipitate.
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
the uncatalyzed decomposition of hydrogen peroxoide is first order with an activation energy of 75.3 kj/mol and a half life of 6 hrs at 40 degrees celcius.
It takes 54.0 J to raise the temperature of an 8.00 g piece of unknown metal from 13.0rm ^circ C to 24.5^circ{C}. What is the specific heat for the metal?
a hybrid electric vehicle, has an EPA gas mileage of 52 mi/gal in the city. How many kilometers can the Prius travel on 15 liters of gasoline?
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 2.678 kg of water?
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