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if temperature and pressure remain constant, how does the volume of a gas sample vary with the number of moles of gas present
The heats of reaction for the following combustion reactions were determined experimentally
When measuring the boiling point of a compound, why is the micro boiling point determined at the point when the last bubble has left the bottom of the bell and the liquid begins to rise in the bell
What is the percent purity of the calcium hydroxide if the titration requires 7.81 mL of the acid to reach the endpoint?
A 1.20 gram sample of dry ice is added to a 755mL flask containing nitrogen gas at a temperature of 25.0 degrees Celsius and a pressure of 725 mmHg. The dry ice is allowed to sublime and the mixture is allowed to return to 25.0 degrees Celsius. wh..
What are the differences between sub-energy levels and orbitals? (My professor said they were different.)
The half-life of tritium (31H) is 12.3 years. If 55.0 mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 49.2 years?
A beaker contains 250 mL of a 1.00 M HCl solution. how many moles of the acid would remain in the solution after 1.099 moles of HCl are neutralized? Show each step.
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
degree C and 600. torr contains 50% helium and 50% xenon by mass. what are the partical pressures of individual gases?
It was originally part of my ebook EVERYTHING YOU NEED TO KNOW ABOUT CHEMICAL NOMENCLATURE. If you want more information or a more complete description to include inorganic compounds please see the ebook section of this website.
The molecular formula for a compound is CX4. If 2.819 g of this compound contains 0.102 g of carbon, what is the atomic weight of X
Calculate the composition and quantity of all phases for a 50 wt % Magnesium - Lead alloy at 435 deg Celsius. Sketch the resulting microstructure, assuming the material was equilibrium cooled from the liquid phase.
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