Which of the following is a synthesis reaction? 2S + 3O2 2SO3 2Na + 2H2O 2NaOH + H2 2H2O2 2H2O + O2 CaCl2 + F2 CaF2 + Cl2

You have a mixture of the noble gases Xe, Ne, and He at 6.0 atm. The partial pressure of Xe is 2.7 atm and the mole fraction of Ne is 0.2500. What is the partial pressure of He in this mixture?

What are the three factors that speed up solvation also called mixing and dissolving?

What is the total mass (in grams) of 1.000 l of an aqueous 1.500 m nacl solution with a density of 1.058 g/ml? (do not include the unit in your answer) ?

Compare the wavelengths of infrared waves, ultraviolet light, and visible light.

Consider the chemical equations shown here. CH4 (g) + CO2 (g) + 2H20 (g) 2H2o (g) 2h20 (i) What is the equation for the overall reaction obtained by adding these equations?

What changes nitrogen gas in the air to nitrogen compounds that fall to the ground

Which element has an isotope mass number of 32 and is used as an ecological tracer?

Which laws can be combined to form the ideal gas law? Boyle's law and Charles's law Gay-Lussac's law and Avogadro's law Charles's law, Avogadro's law, and Boyle's law Dalton's law, Gay-Lussac's law, and Avogadro's law

What determines the horizontal arrangement of the periodic table?

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C.