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What mass of water can be heated from 22?C to 100 ? C by burning this piece of coal? Answer in units of g
calculate the volume that a 0.323 -mol sample of a gas will occupy at 265k and a pressure of 0.900atm
A metal bulb is filled with 10.2 g of CHCl3 and 0.322 g of CH4 (two gases). What is the total pressure in the bulb if the temperature is 345 C and the volume is 50.0 mL.
calculate the energy lost when 75.0 g of water cools from 86.4 degrees celcius to 2.1 degrees celcius
Stoichiometry explained in this solution, If the yield of CO2 (g) from the reaction of butane with hydrogen peroxide is only 80.65%, with how many grams of butane and hydrogen peroxide
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
Generation and use of a standard curve and serial dilutions, This lab provided a 100mM Glucose standard solution which you are required to dilute with water to give final concentrations of 0,0.4,0.8,1.2,1.6 and 2.0 mmol/L glucose in a final volume..
A 10.0 balloon contains gas at a pressure of 640 torr. What is the new pressure of the gas at the 22.0 liters volumes if there is no change in temperature.
Write the expression for the reaction rate in terms of d[NOCl]. c. The concentration of NOCl drops from 0.580 M to 0.238 M in 8.00 min. Calculate the average rate of reaction over this time interval.
Determine what volume of .1 M HBr is required to neutralize 50 ml of .140 M Barium hydroxide and determine the normality of a solution consisting of 10.51 mg of NaOH in 591 mL of solution
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
What mass of P4 is produced when 41.5 g of Ca3(PO4)2, 26.5 g of SiO2 and 7.80 g of C are reacted according to the equation: 2Ca3(PO4)2 + 6SiO2 + 10C ¼ P4 + 6CaSiO3 + 10C
Calculate the amount of heat required to completely sublime 53.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3
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