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What does it mean to say that the ions of an electrolyte behave independently of one another when the electrolyte is dissolved in water? Is it something about the compound splitting?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
A solution contains 0.010 M each Cu(NO3)2 and Bi(NO3)3. An equal portion of 12 M NH3 is added to the solution. What is the initial concentration of OH- (in M) once the two solutions have been mixed together, but prior to any reactions occurring? Th..
If 35.0 g each of iron and chlorine react, how much FeCl3 will be formed?
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 46.06 gram sample of a hydrate of MnSO4
A ball is thrown horizontally from the top of a building 19.0 m high and lands 63.7 m from base of the building.
the half-life of tritium 31h is 12.3 years. if 47.0 mg of tritium is released from a nuclear power plant during the
A standard addition procedure is used to determine the concentration of F- (in ppb) in a water sample. To four 6.00 mL aliquots of a water sample were added 0.00 mL, 1.50 mL, 2.50 mL, and 3.50 mL of a standard NaF solution containing 12.0 ppb
If 13.0 g of MgSO4*7H2O is thoroughly heated, what mass of anhydrous magnesium sulfate will remain. Express your answer numerically in grams.
Calculate the rms (average) speed of NF3 atoms or molecules at 202 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant.
How much heat is required to convert 32 g of ethanol at 27 degrees C to the vapor phase at 78 degrees C?
If 18.2 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia.
What is the maximum age of a sample that can be measured by 14C dating if the error of measurement is 0.5%
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