If the volume fraction of ozone in the air of a city is 5x10-7, what is the ppm of ozone in the air?
If a gas occupies 625 mL at 0 Celsius and 760 torr pressure, what will its volume be at 373 degree C and 1520 torr pressure?
What is the atmospheric pressure if the partial pressures of nitrogen, oxygen, and argon are 77.75 kPa, 19.94 kPa, and 1.99 kPa, respectively?
Convert 37 Celsius in to Fahrenheit
An angstrom is a non SI unit of measurement equal to 10^-10m. How many angstroms are equivalent to 259 picometers?
What is the coefficient for water (H2O) when the following equation is balanced using the lowest whole numbered coefficients? Al(s)+ ____H20(l) --> Al(OH)3(s) + H2(g)
1) How many significant figures are there in the answer to the following problem? (8.881*.02100) + .590? 2) A parsec is 206,265 times the distance from earth to the sun. If the distance is 8.000 million miles, express the distance of a parsec in miles in scientific notation.
I need the following chemical equations written and balanced: Potassium metal is heated with powdered phosphorus to produce potassium phosphide. Cobalt (III) hydrogen carbonate decomposes by heating to give solid cobalt (III) carbonate, water, and carbon dioxide gas. Aqueous solutions of tin (II) chloride and sodium sul