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The bodies of adult humans are composed of 55-60% water. On specific heat and heat transfer, how does the water help us to disperse heat and regulate our body temperatures?
Calculate the mass of H2O produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 L at a pressure of 2.2 atm and a temperature of 205 °C.
The compound was also found to be nonvolatile and a nonelectrolyte. What is the molar mass of this compound?
Which of the following are a conjugate acid-base pair in the above reaction?
What is the concentration of OH (in M) initially present in a 12 M NH solution? Hint: The K of NH is 1.8x10. Express your answer to two significant figures.
Calculate the heat that must be supplied to a 522 g stainless steel vessel containing 367 g of water to raise its temperature from 16?C to the boiling point.
the half life of te-132 is 3.26 days. this isotopedecays by beta emission to a highly unstable intermediate that decays
Nitrobenzene, C6H5NO2, an important raw material for the dye industry, is prepared from benzene, C6H6, and nitric acid. When 22.4g of benzene and an excess of HNO3
if a 1.201 g sample of aluminum metal is heated in a chlorine gas atmosphere the mass of aluminum chloride produced is
how many grams of methane ch49g must be combusted to heat 1.00 kg of water from 24.0 to 93.0 assuming h2ol as a product
Calculate the enthalpy change in calories when 45.2g of steam at 100C condenses to water at the same temp.
If 16.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
alculate (Triangle Hof f) for the hypothetical compound A2B2 which is formed by the following reaction: A2 (g) + B2 (g) --> A2B2 (g) given the following calorimetry data: mass of calorimeter= 2300g mass of water in the calorimeter
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