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Which of the following is a neutralization reaction?
A. KCl + NaNO3 --> KNO3 + NaClB. HNO3 + KOH --> H2O + KNO3C. H2O + SO3 --> H2SO4D. 4Na + O2 --> 2Na2OE. 2NO2 --> 2NO + O2
The ph of 0.40 M HF(aq) is 1.93. Calculate the change in ph when 0.356 g of sodium fluoride is added to 50.0 ml of the solution .
What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?
What is the freezing point of a 28.6% (by mass) aqueous solution of HCl? Assume the HCl is 100% ionized.
Order of reactivity, Suggest an explanation for the fact that the order of reactivity of the halides toward n-butylbrosylate in acetone
A 0.300-M solution of X (Mm = 171 g/mol) has a density of 1.096 g/ml. What is the molality of X in the solution?
if a gas occupies a volume of 5 L at 546 K and 2.5 atm, what is its volume at standard pressure and temperature.
How many calories of heat are necessary to raise the temperature of 350 ml of water from 1.00oC to 5.00oC.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
Magnesum metal will burn in carbon dioxide gas to produce carbon and magnesium oxide. What mass of magnesium will react with a 250.0 ml container of carbon dioxide gas at 77.0 degrees celsius and 65.0 kPa.
A solution is prepared by adding 1.10 g of solid NaCl to 50.0 mL of 0.100 M CaCl_2. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
the structure they gave me already has two nonbonding electrons on Bromine with no formal charge
Calculate the energy released when a 28.9 gram piece of copper is cooled from its melting point of 1083 degrees C to 25.0 degrees C. The specific heat of copper is .385 J/g degrees C.
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