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Which of the following is true regarding the solubility of gases in liquids? A) solubility always decreases as temperature increases B) solubility always increases as temperature increases C) solubility usually decreases as temperature increases D) solubility usually increases as temperature increases
They are tethered together and are at the same temperature and pressure. Which balloon has the greater number of gas particles? Which balloon has the greater mass? Which balloon has the greater density?
The standard reaction enthalpy for the decomposition of CaCl2_NH3 into CaCl2 and NH3 is nearly constant at +78 kJ/mol between 350 K and 470 K.
What mass (in grams) of solid Na2SO4 would need to be added to 250 grams of water to make an ideal solution with a boiling point of 103.6°C? (Kb for water is 0.512°C/m)
A stock solution is prepared by adding 22 mL of 1 M Na3PO4 to enough water to make 73 mL. What is the PO43- concentration of 30 mL of the stock solution?
"Based upon what you know about the accepted mechanism for hydration, can you see any reason why this hydration should be 100% stereoselective?"
What exactly is the reduction of alkynes? I just understand that it is a method for synthesizing alkenes. Why are the leaving groups for E2 reactions not as good as E1 reactions?
An analyst was attempting to determine the percent KHP in an unknown sample. The analyst found the molarity of the standardized NaOH solution to be 0.1022 mol/L.
Determine How many grams of NaOCl are in the solution if the percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%.?
Say, for example, that you had prepared a Buffer, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100 ml of 1.O M acetic acid. What would be the initial pH of Buffer C.
A compound contains the elements Ca and F. Analysis indicates that 2.94 g of sample of the compound contains 0.93 g calcium. Calculate the mass of fluorine in the sample.
Determine how much heat is formed by this reaction if a typical packet has 250 g of Fe to warm your hands (or feet for up to 4 h) express your answer in kJ?
corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint
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