Write a balanced equation for the complete oxidation reaction that occurs when propane (C3H8) burns in air.

4130 J of energy is added to a 52 g sample of water that has an initial temperature of 10.0°C. If the specific heat of water is 4.18 J / (g * °C), what would the final temperature of the water be?

Which of the following correctly describes the nature of the transition state of the rate-determining step of the free-radical bromination of methane? a. the transition state resembles the products more than the reactants b.

In an attempt to maximize the yield of methanol (amount of methanol produced), a chemist would try to shift the equilibrium as far to the right as possible. Which of the following would accomplish this? a. heating the mixture b.

How has volcanic eruptions historically affected global climate change?

Considering the IMA of this frictionless inclined plane, how much force is required to drag a 90 lb. box up it? A. 109 lb B. 10 lb C. 81 lb D. 9 lb

Which option is true about the effect of polarity on solubility? Select all that apply. Polar solutes dissolve better in water than in oil. Polar solutes have the greatest solubility in nonpolar solvents.

Which change results in a release of energy? 1. The melting of H₂O (S) 2. The boiling of water (L) 3. The evaporation of H₂0 (L) 4. The condensation of H₂0 (G)

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