What is the molar mass of the gas
The gaseous product of a reaction is collected in a 25.0 L contained at 27 degrees Celsius. The pressure in the container is 216 kPa, and the gas has a mass of 96.0g. What is the molar mass of the gas?
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What is the concentration of the solution in parts per million (ppm)? Round to the nearest tens place. Don't forget the unit.
A 5.00 mL sample of isopropyl alcohol has a mass of .930 g whe measured at 20 degrees celsius. What is the specific gravity of isopropyl alcohol?
Calculate the concentrations of all species in a 0.970 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulphurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
A dam project specifies 97% compaction. Lab tests on the soil being used indicate that it has a maximum dry density of 1900 kg/m3 at an optimum water content of 13.2%.
A chemist vaporrizd liquid compund and dermined its density. if the density of the vapor at 90c and 753 mmHg is 1.585 g/L, what is the molecular mass of the compound?
When 0.625 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 102C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to si
The boiling point of another member of this homologous series wasfound to be 309 . What is the likely molecular formula for this compound?
An aerosol spray can with a volume of 441 mL contains 3.09 g of propane gas as a propellant. What volume would this sample of propane occupy at STP?
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Write a letter to the editor on land pollution that threatens the health of individuals living in Guyana, and clearly define the problem.
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How to make a short discussion with reference and citations. Research Design, Statistical Methods, Variables, Setting/Population/Sample for each of the articles
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