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What are the concentration(grams if a solid is formed) of all species in sol'n when 25.00mL of a 0.15M sol'n of calcium nitrate are mixed with 37mL of 0.65M sodium chloride?
A solution of ammonia and water contains 2.10×1025 water molecules and 5.30×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
The first step in the Ostwald process used to produce nitric acid is the formation of nitric oxide from ammonia and oxygen.
? sample of neon has a volume of 1.50 litres initially at 16 degrees celsius. when the volume of the sample is charged
what is the minimun number of coulombs required to produce 1.06 mol of gold?
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
In addition, 2.157 ml of H2O (density = 0.997 g/mol) were also collected. What are the % weight of C, H and O in the sample, the empirical formula and the molecular formula.
Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.
the Na formed during the breakdown of NaN3 reacts with Fe2O3. How many grams of Fe2O3 are needed to react with 35.3 g Na?
What is the theoretical yield of calcium carbonate if 2.05 grams of calcium chloride dihydrate reacts with excess sodium carbonate according to the balanced chemical reaction shown below?
Suppose that a radiologist who is 4.0 m from a small, unshielded source of radiation receives 3.4 units of radiation. To reduce the exposure to 0.34 units of radiation, to what distance from the source should the radiologist move?
A particular reaction has a ?Ho value of -118 kJ and ?So of 47 J/mol K at 298 K. Calculate ?Go at 349 K in kJ, assuming that ?Ho and ?So hardly change with temperature
An experiment shows that a 247 mL gas sample has a mass of 0.432 g at a pressure of 747 mmHg and a temperature of 28 degrees celcius.What is the molar mass of the gas?
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