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How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr?
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
A 50.0-L stainless steel container was charged with 3.00 atm of hydrogen gas and 4.00 atm of oxygen gas. A spark ignited the mixture, producing water.
What is the molecular weigh of acetic acid that will form 2 moles of CO2 assuming complete combustion.
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty.
Determine what would be the concentration of the final solution If you take a ten mili litres portion of the stock solution and dilute it to a total volume of 0.250 Litres,?
Determined if CS 2 of 2.500 grams mix with an excess of chlorine gas , 9.310 Kilo joule of heat is evolved. What sort of reaction is this , Is the reaction exotermic also find out delta H for the reaction?
Determine how many moles of gas were added to the container If the pressure raised to 800. torr,?
An open-end manometer containing mercury is connected to a container of gas. The mercury in the arm attached to the gas is 13.6cm higher than the one open to the atmosphere.
At 25 degree celcius, the density of a 50 percent by mass ethanol/water solution is 0.914 g per subic centimetre. Given that the partial molar volume of water in the solution is 17.4 cubic centimeter per mol.
Potassium chloride is used in the kitchen as a salt substitute (in place of sodium chloride). Suppose you were planning to make ice cream but discovered too late that you were out of table salt for making the ice bath.
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
The amount of energy needed to heat 2.00 g of carbon from 50.0 C to 80.0 C is 42.6 J. what is the specific heat capacity of this sample of carbon.
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