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Calculate the heat released when 71 g of steam at 116 degrees C is converted to water at 39 degrees C. Assume that the specific heat of water is 4.184 J/g C, the specific heat of steam is 1.99 J/g C and DeltaHvap is 40.79 kJ/mol for water.
A compound is 40.0%C, 6.70%H, and 53.3%O by mass. Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?
If 8.00 kJ of heat are added to 200. g of water at 20.0 C, what is the final temperature of the water?
A fishing boat accidentally spills 9 barrels of diesel oil into the ocean. Each barrel contains 42 gallons. If the oil film on the ocean is 2.5 × 10^2 nm thick, how many square meters will the oil slick cover?
2SO2(g) + O2(g) 2SO3(g) Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished.
What volume in milliliters of a 0.0992 M NaOH solution is required to reach the endpoint in the complete titration of a 15.0 mL sample of 0.107 M H3PO4?
Calculate the volume of dry CO2 produced at body temperature (37°C) and 0.966 atm when 26.0 g of glucose is consumed in this reaction.
a solution of .64g adrenaline in 36.0 g of CCl4 elevates the boiling point by .49 degrees C. What is the molar mass of adrenaline.
Which of the following proves the law of definite proportions?
how much heat is required to raise the temperature of 50.0 g of C6H6 at 6.00ºC to 93.0ºC
Assume that a particular reaction evolves 245kJ of heat and that 24kJ of work is gained by the system what is the delta H inside and the surroundings
Why is normalization of a probability distribution important? What would one have to consider when working with a probability
The heat fusion for water is 80. cal/g. How many calories of heat are released when 20 g of water is at 0 C is frozen to ice ?
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