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Why would it be difficult to determine the point where the limiting reactant changes if 13.0 mL of 1M HCl(aq) were used instead of 10.0mL of 1 M HCl and the mass of Mg was in the range 0.070g-.170g?
If 69.5 kJ of heat is applied to a 1038 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
How do you calculate the percent by mass of volatile water in hydrated salt and average H20 when the mass of hydrated salt
When 5.00g of copper reacts with oxygen, the copper oxide product has a mass of 5.62g. What is the empirical formula of this copper oxide? MM Cu= 63.5, O= 16.0
a zero-order reaction has a constant rate of 3.50times10-4 mrm s. if after 65.0 seconds the concentration has dropped
which of the following are found in cell membranes?
Write three orbital designations that would be incorrect and explain why each is incorrect. For example, 1p would be an incorrect orbital designation because there is no p sub-shell in the first orbit.
An airplane is pressurized to 650 mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 ft altitude. If air is 21 % oxygen, what is the partial pressure of oxygen on the plane?
what would be the proper sequence for the following compounds to be listed from highest melting point to least?
A chemist wants to prepare 0.48 M HCl. Commercial hydrochloric acid is 12.4 M. How many milliliters of the commercial acid does the chemist require to make up 1.48 L of the dilute acid?
How did I get a greater than 100% recovery of benzoic acid?, To quickly summarize, the lab dealt with isolating benzoic acid from a mixture via chemically active extraction.
Calculate the molar enthalpy change when mercury is cooled 10 K. The molar heat capacity of mercury is 27.8 J/K*mol
What is the barium ion concentration in a saturated barium fluoride solution made by adding solid BaF2 until no more dissolved
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