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Calculate the proton motive force across the inner mitochondrial membrane at 25C when the electrical is 0.018V (inside negative) and the pH outside is 6.3 and the pH inside is 7.2?
How many grams of CaCl2 are needed to make 364.8 g of a solution that is 37.5% (m/m) calcium chloride in water? (Note that m/m has the same meaning as w/w.)
the presence of the radioactive gas radon rn in well water obtained from aquifers that lie in rock deposits presents a
What is the molarity of the Na 2 S 2 O 3 solution if a 0.150 g sample of KIO 3 required 10.7 mL of Na 2 S 2 O 3 solution for its standardization?
Suppose in universe Xacto matter is composed of protons, neutrons, and special matter X. For elements in a, design and draw a new periodic table that makes sense for this parallel universe.
How many electrons are transferred between the cation and anion to form the ionic bond in one formula unit of each compound? (1 electrons, 2 electrons, 3 electrons, 4 electrons)
What mass in grams of CO2 was evolved? The balanced equation I set up is: Na2CO3 + 2HClO4 --> NaClO4 + CO2 + H2O Now what? What was the molarity of the excess reactant (HCl or Na2CO3)?
Next calculate molar internal energy and molar heat capacity assuming vibrational energy levels are not significantly populated at 298 K and do not contribute to molar heat capacity and molar internal energy. Calculate percent error for each molar..
A sample of gas weighs 3.718g and has a volume of 1.4L at .845 torr and 26.0 C. What is its molar mass?
The double-replacement reaction between silver nitrate and sodium bromide produces silver bromide, a component of photographic film. (A) If 4.50mol of silver react, what mass of sodium bromide is required?
start with 200 mg of cyclopentadiene and 300 mg of Maleic anhydride, and 375 mg of the cycloadduct anhydride is obtained: Which is the limiting recant?
Explain why a solution of one mole of potassiium carbonate in one litter of water has higher boiling point than a solution of one mole of sodium bicarbonate
How many moles of NaNO2 will be contained in the 1 liteer, 1.34 solution after it is made? b. What volume of concentrated 5.48 M NaNO2 solution will contain this number of moles?
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