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A person ate 0.451 pound of cheese (an energy intake of 3610 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to vaporize 1 mole of water.)
Manganese forms the following oxide minerals: manganite (MnOOH), manganosite (MnO), pryolusite (MnO2), and hausmannite (Mn3O4).
potassiumm chlorate (KClO3) decomposes to form potassium chloride and oxygen gas. if 5.4 moles of potassium chlorate decompose, how many moles of oxygen could be produce.
The yield of the reaction to form your chalcone is not quantitative. What side products might be formed from your aldol condensation?
A flask contains 0.390 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
How much heat is required to heat 10.0g of ice at -5.00 degree Celsius to become water vapor at 107.00 degree Celsius.
the water temperature rose from 20.27oC to 26.87oC. If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/oC, calculate the molar heat of combustion of CH3OH. The specific hea..
After the addition of a large excess of acid (in comparison with the acid volume needed to reach the equivalence point) D) tell how many millileters of acid are required to reach the equivalence point
What Mass of K2CO3 must you add to 125 grams of water to prepare a 0.200m K2CO3? What is the mole fraction of K2CO3 in the resulting solution?
2-iodo-4-methylpentane was refluxed for an hour in the presence of sodium isopropoxide. Name and draw the product(s) of this reaction clearly showing the stereoselectivity and regioselectivity of the reaction.
Compare the pH of an H2CO3 buffer (the first buffer) that contains 0.10 M H2CO3 and 0.10 M NaHCO3 with another H2CO3 buffer (the second buffer) that contains 0.15 M H2CO3 and 0.050. M NaCO3 Carbonic acid has a Ka of 4.3X 10^-7
The oxidation of hyrogen by oxygen is one of the most-used reactions in fuel-cell technology. The overall reaction, which is given below, has a (Delta)G^o value of -474 kJ/mol.
Calculate the standard Gibbs energy and the equilibrium constant at 298 K and 400 K for the reaction, PbO(s) + CO(g) = Pb(s) + CO2(g).
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