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How does solubility of polar and non-polar molecules in water set up cell membranes and disolve essential bio chemicals?
If 29.10 mL of a 0.145 M nitric acid is required to neutralize 50.00 mL of barium hydroxide solution, what is the molar concentration of the base?
Samantha Muir dissolved 0.31 grams of KHP in 25.0 ml of water. She found out that it required 15.5 ml of NaOH to reach the endpoint of titration. How many moles of the acid, KHP, were orinignally present before the addition of the base
What is the pressure in millimeters of mercury of 0.0115 mol of helium gas with a volume of 219 mL at a temperature of 55 circ C?
What volume of 0.646MK3PO4 is required to react with 78 mL of 0.391 M MgCl2 according to the equation 2K3PO4 + 3MgCl2 --> Mg3(PO4)2 + 6KCl
uses of de-broglie equation in electromagnetic specra.a. what is the maximum wavelength of energy needed to observe a
How many grams of patassium chlorate decompose to potassium chloride and 524 mL of O_2 at 128C and 752 torr?
M. tuberculosis, the organism that causes tuberculosis, can be completely destoryed by irradiation with UV light with a wavelength of 254 nm. What is the frequency?
A balloon is filled with helium to a volume of 1.05 x 10^3 L on the ground, where the pressure is 745 mm Hg and the temperature is 20. °C. When the balloon ascends to a height of 2 miles
the final temperature of the cu? I tried to use Q=MS(delta)T and solve for the tinal temp instead of the change in temp but kept getting 45°c.
Copper metal reacts with hot concentrated sulfuric acid solution to form aqueous copper (II) sulfate, sulfur dioxide gas, and water. Write the balanced chemical formula.
What is the importance of the pI (isoelectric point) of an amino acid, when considering ion exchange chromatography
Iron sulfide, FeS, is a sparingly soluble salt with a Ksp of 6.3 x 10^-18. Calculate the molar solubility of iron sulfide in a solution that is saturated with hydrosulfuric acid, H2S ( [H2S] = 0.1 M) and has a pH of 2.0. Ka1 = 8.9 x 10^-8 and Ka2 ..
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