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The daily output of stomach acid (gastric juices) is 1000mL to 1400 mL. Prior to a meal, stomach acid HCl typically has a pH of 1.42.
a. The antacid milk of magnesia contains 400mg of Mg(OH)2 per teaspoon. Write the neutralization equation.
b. Calculate the number of milliliters of stomach acid neutralized by 1 tablespoon of milk of magnesia (1 tablespoon = 3 teaspoons).
A beaker with 115 of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 9.00 of a 0.430 solution to the beaker. How much will the pH change? The ..
The Fischer esterification mechanism is examined in the following two questions in the assignment
ammonium hydrogen phosphate is made from reacting phosphoric acid with ammonia. if 10.00g of ammonia react, how many moles of fertilizer will be produced?
A reaction mixture initially contains 2.8M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6 ?
"A sample of a particular radioisotope is placed near a Geiger counter, which is observed to register 160 counts per minute. Eight hours later the detector counts at a rate of 10 counts per minute. What is the half-life of the material?"
Rhodium has a density of 12.41 g/cm3 and crystallizes in a face-centered cubic lattice. Calculate the radius of a rhodium atom?
Determine the theatrical yield if 1.56 grams of hydrogen is permitted to combines with 9.70 grams of nitrogen producing 1.43 grams of ammonia?
A zero-order reaction has a constant rate of 1.60×10-4 . If after 35.0 seconds the concentration has dropped to 2.50×10-2 , what was the initial concentration?
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
Dalton law of partial pressure - The partial pressure of oxygen is maintained at 0.20 atm at this depth
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
2 NO(g) + O2(g) 2 NO2(g) In one experiment 0.633 mole of NO is mixed with 0.354 mole of O2. Calculate also the number of moles of NO2 produced.
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