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At the end of 2009, global population was about 6.8 billion people. Explain what mass of glucose in kg would be required to provide 1900 Cal/person/day of nourishment to the global population for one year? Presume that glucose is metabolized entirely to CO2(g) and H2O(l). C6H12O6(s)+6O2(g)->6CO2(g)+6H2O(l) Delta H is -2803 kJ
Why are the bond angles of methane, ammonia, and water different for each even though the electron domain geometry is the same for each
After you have made your observations, you can release the vacuum and allow the pressure inside to return to atmospheric pressure. Do this by removing the pumper and squeezing the rubber septum as indicated.
What is the concentration of the ammonium ion (in M) in a solution which contains 51 g ammonium sulfide in 635 mL of solution
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 431 grams of ice initially at -12°C to liquid water at 70°C?
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
Concentration : Dilution Problem, A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was ..
what is the approximate ph of a solution prepared by adding 20 ml of 0.10 m naoh to 200 ml of 0.10 m
The specific heat of the product is 4.06J/g deg. C and the density is 1.01g/mL. a. Calculate the heat of the reaction, q, and the enthalpy per mole.
In a calorimetry experiment, it was determined that a 92.0 gram piece of copper metal released 1860 J of heat to the surrounding water in the calorimeter (qcopper = ?1860 J).
The pH of a 0.0100 M hypothetical acid, HA, is 4.00. Calculate the Ka for this hypothetical acid.
consider the equilibrium 2i g-i2g what will be the effect on the position of equilibrium of a decreasing the
A 100L container has a 100g of ammonia gas and 50.0g of nitrogen gas at 500 degrees Celsius. Calculate the total pressure inside the container
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