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How would baking soda effect the pH of the stomach, in the case that someone has a stomach ache for excess stomach acidity and takes sodium bicarbonate to relieve their symptoms? Explain why in sentences as well as mathematically.
A 6.0 L flask contains a mixture of methane, argon and helium at 45 degrees C and 1.75 am. If the mole fractions of helium and argon are 0.25 and 0.35, respectively, how many molecules of methane are present
Calculate the weight of helium in pounds to fill a ballon whose capacity is 1.0 X10^6 ft^3 at 1 atm pressure and 27 C.
Calculate the mass of CuSO4*H2O needed to prepare 3.0 g of [Cu(NH3)4]SO4*H2O, assuming a 90% yield.
What is the effect of added succinate to rotenone-blocked, amytal-blocked, or cyanide-blocked mitochondria?
For an electron mobility of 500 cm2/N·s. calculate the time between collisions. (Ta ke mil = moin these calculations.)
what fraction of this side chain is positively charged and what fraction is neutral at pH 7.2?
What is the name of Pb(NO3)2? Explain how you determined the type of bond and the steps you used to determine the naming convention for the compound
We did a lab in Chem where we put a liquid into a flask, secured foil on the top and poked a hole in the foil so the vapor could push out the air
What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
completely evacuated and then filled with an unknown gas to a pressure of 747 mmHg at 22 degree C. If the glass bulb gained 0.103 g in mass, what is the molar mass of the gas?
Define p-type semiconductor and Primitive unit cell. What will happen to J23 if carbon atom at position 4 is replaced by nitrogen atom in thiophene ring
Calculate the amount of heat required to completely sublime 19.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
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