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a) Even though humans have a body temperature of 37degrees Celcius, we consider a comfortable room temperature to be substantially lower, at about 21degrees celcius. Why does this make sense, given that the body uses glucose as its primary fuel source?
b) Rather than converting energy from glucose in a single step, human cells break this process down into a large number of complex biochemical processes. Why do you think this is necessary for the body to function?
what are some differences between the titration curves of strong acid and strong base versus weak acid and strong base?
Calculate the percent ionization of a 0.13 M formic acid solution in a solution containing 0.10M potassium formate. Explain the difference in percent ionization in the two solutions
Compute the maximum amount of electrical energy which may be generated by combustion of 1000 g of hydrogen gas a) in an electrochemical fuel cell operating at 298 K and 1 bar. b) In a power plant where fuel is burnt at 600 K to drive an electrical..
What are 4 ways that radiation of different wavelenths affects biological matter differently. example: infared radiation may cause a heat burn.
How much heat in kilojoules is required to warm 10.0g of ice, initially at -20.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84 {\rm J}/{\rm g} ^\circ {\rm C}.
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C
Please explain the following technical terms used in mass spectrometry: a) Molecular ion,
If you start from a fuel molecule such as ethane, describe the progressive steps in oxidation of ethane that generate energy. What is the end-product of oxidation of ethane?
The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
Draw valid Lewis structures for each of these ions. What orbital hybridizations are consistent with the molecular geometries?
Explain what can be said about the effect each of the three solutions has on the rate of the reaction. Use combinations of experiments to prove your point as well as isolate the effect of each solution.
Draw the correct molecular geometries of the following covalent compounds. Use the electronegativity differences between the atoms in each bond pair to determine the presence and direction of individual bond dipoles in each molecule.
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