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if 385 grams of water a 30 degrees celsius absorbs 281kJ of heat from a mountain climber's stove at an elevation where the boiling point of water is 89 degrees celsius, how many kJ are required to boil the water?
Example: Determine the solubility of calcium fluoride at 25C. And Be sure to note the difference between Solubility and Solubility Product Constant ! What could we do to change the system and produce a precipitate?
A certain compound is made up of three chlorine atoms, one phosphorus atom, and one oxygen atom.
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
The density of a 16.0 mass % solution of sulfuric acid in water is 1.1094{g/mL} at 25.0 degrees celcius.
Phenol and straight chain alcohol, The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol.
what type of solid phase would you use and what type of solvent would you select as an eluting solvent, to detect the biphenyl impurity?
What mass of helium gas is needed to pressurize a 112.0 L tank to 262 atm at 25°C?
The standard cell potential for the electrochemical reaction is 1.10V. Calculate the cell potential if the concentration of zinc ion and copper ion are 0.050M and 5.0M respectively at room temp.
Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas. A gas vessel is charged with a mixture of PCl3(g) and Cl2(g)
Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are perfect.
What volume (in milliliters) of 0.250 M NaOH should be added to a 0.120 L solution of 0.023 M glycine hydrochloride
a) What is the molarity of the acetic acid? b) If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar.
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