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If 600 j of heat are added to 50 g of water initially at 20 degrees C.
How much energy is this in calories?
What is the final temperature of the water?
what is the ground state electron configuration of atomic al? what electronic states are possible with this electron
a 31.0-g sample of water at 290. k is mixed with 48.0 g water at 340. k. calculate the final temperature of the mixture
calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6degc to
A reaction vessel at 27 degrees C containsa mixture of SO2 (P = 3.10 atm) and 02 (P=1.10 atm). When a catalyst is added to the reaction 2SO^2(g) + O2 (g) = 2SO3 (g) takes place
Butane is normally supplied in metal containers under pressure, as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0 ºC, the vapor pressure of butane is 2.3 atm. What is the pressure in the container at ..
How many grams of CaH2 are needed to generate 145 liters of H2 gas if the pressure of H2 is 825 torr at 21 C.
Explain how microorganisms can be used to produce electricity (bacterial fuel cells). Explain why you feel pain when you bite down
A 25.0 mL bubble is realeased from a diver's air tank at a pressure of 4.00 atm and a temperature of 11 C. what is the volume of the bubble when it reaches the ocean surface where the pressure is 1.00 atm and the temperature is 18 C?
Cadaverine, a fould smelling substance produced by the action of bacteria on meat, contains 58.55% C, 13.81% H and 27.40% N. Its molar mass is 102.2 g/mol.
Starting with solid sodium chloride, how would you make one liter of 2.000 ppm sodium chloride solution
A 50.0 mL sample of 0.155 M HNO2(aq) is titrated with 0.100 M NaOH(aq). What is the pH of a solution after the addition of 25.0 mL of NaOH. (Ka of HNO2 = 4.5 ´ 10-4)
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound
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