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As the sample coolsmoisture from the atmosphere condense on the outside oftheevaporating dish before the mass is measure How does the presence of the condensed moisture affect the reported TSD( total dissolved solid) for the water sample.Explain
How many days does it take to deposit the gold on one side of one earring if the current used is 0.024 A
The density of a 16.0 mass % solution of sulfuric acid in water is 1.1094{g/mL} at 25.0 degrees celcius.
Calculate Enthalpy of HNCO given that the enthalpy of the following reaction is -221.4 KJ/mol.
Using the periodic table only, determine which members of the set have the shortest and longest bond lengths. N-H N-S N-O
According to Charles Law, for a fixed quantity of gas at constant pressure, which of the given quantities is constant? V/T, VXT, or V+T
Six moles of hydrogen gas at 0 degrees C is forced into a steel cylinder with a volume of 200mL. What is the pressure of this gas
As K2O dissolves in water, the oxide ion reacts with water molecules to form hydroxide ions. Write the molecular and net ionic equations for this reaction.
commercial concentrated of nh3aq is 28 percent ammonia by mass. density of the solution 0.900 gml. compute the
If a solution containing 46.46 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulfide, how many grams of solid precipitate will be formed?
a student observed after an experimentnbsp that a gas sample of 250-mlnbsp has a mass of 0.243 g atnbsp a temperature
Calculate the ΔH(in KJ/mol and also the ΔH in Kj/g NHΔ4NO3) for the solution process.Assume the specific heat of the solution is the same as of taht of pure wate which is ΔH=4.18j/g.K)
53.5 g of an ideal gas of molecular weight = 10.5 g/mol is confined at a pressure of 50 kPa. The density of the gas is 0.164 g/L. Compute the temperature of the gas in degrees Celsius.
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