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a. On the basis of your intuitive understanding of the chemical properties of sodium and gold, where in your activity series would you place sodium and gold? b. Will hydrochloric acid react with gold metal to produce gold (III) ions and hyrdogen gas? Explain
We store fats as triacylglycerides and not free fatty acids. We do this because it would change our pH and the osmotic pressure of the adipose cells.
a stainless steel spoon weighs 25.2 g and is at a temperature of 18.5 oc. it is immersed in 81.7 ml of hot coffee t
What mass of NaOH is needed to precipitate the Cd2+ ions from 44.0 mL of 0.500 M Cd(NO3)2 solution?
if the mass of the tablet analyzed from the previous question was 1.247 grams what is the mass effectiveness of the
When 24 mL of a 170 mL stock solution containing 1.5 M BaF2 is diluted to 76 mL, what is the concentration of Ba2+ in the new solution
choose the correct answer for the atom using the periodic chart. Larger atomic or ionic radius, F or F(-)
What is the pH at the equivalence point? what is the pH at the 10.0 mL base added? what is the pH at the 30.0 mL base added?
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
What is the FORMULA for the limiting reagent? What is the maximum amount of potassium carbonate that can be formed in grams?
Ionizable protons are in rapid equilibrium and so you can think of an amino acid having a relative charge between 0 and 1. Plot the relative charge of glutamate as a function of pH
how much of the excess reactant remains after the limiting reactant is completely comsumed?
what are the pH and the change in pH after the addition of 0.054 mol hydrochloric acid to the buffer solution?
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