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Please classify each of the following substances as a strong acid, weak acid, strong base, weak base or neutral.
Stomach acid
Fruit acid
Bile,
Blood,
Wine,
Urine
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor.
How many grams of a stock solution that is 87.5 percent H2SO4 by mass would be needed to make 275 grams of a 55.0 percent by mass solution.
What volume (V) of 2.20 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.26? (The pKa of acetic acid is 4.76.)
In each of the following pairs which compound would you expect to have the higher standard molar entropy and WHY
Calculate the concentration of an oxalic acid (H2C2O4) solution when 48.1 mL of water is added to 18.2 mL of a 1.78 M oxalic acid solution
What is the change in internal energy of the system, delta U. The force of gravity on a mass m is mg, where g is the constant acceleration of gravity (g=9.80 m/s^2).
Ethene burns in air according to C2H4 + 3O2 = 2CO2 + 2H2O. What is the theoretical yield of CO2 when 1.62 g of C2H4 are reacted with 2.42 g of O2
What is the dissolution reaction for each of the ionic solids below. Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.
What volume will nitrogen gas occupy if the pressure is increased to 894 torr at constant temperature?
CH3COOH (Ka=1.8x10^-5) was titrated with 0.50 M NaOH. Calculate the pH after addition of 30.0mL of NaOH
We are asked to construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good.
What is the temperature of .49 mol of gas at a pressure of 1.2 atm and a volume of 12.4 L? 2. A weather balloon is inflated to a volume of 26.1 L at a pressure of 755 mmHg and a temperature of 23.0. C The balloon rises in the atmosphere to an alti..
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