Whats heptane's formula?

What type of atom is hydrogen with an atomic mass of 1 and 2 electrons

The half reaction of an oxidation-reduction reaction shows that iron gains electrons. What does this electron gain mean for iron? A. It is neutralized. B. It is oxidized. C. It is reduced. D. It has dissolved. E. It has precipitated.

How do you solve displacement

Consider this initial-rate data at a certain temperature for the reaction described by N2O3 ( g. - > NO ( g. + NO2 ( g. N2O3 (M) =.1 (initial rate =.66) =.2 (initial rate = 1.32) =.3 (initial rate = 1.98) find k?

How many grams of H2 would be formed if 34 grams of carbon reacted with an unlimited amount of H2O? The reaction is: C + H2O → CO + H2 The atomic mass of C is 12.01 g/mole. The atomic mass of H2 is 2.016 g/mole.

What's the difference between cation and an anion

Where does the largest percent of water exist on Earth?

True or False: It is recommended to use sugar cubes to sweeten lemonade because they have a low surface area.

54,000,000 nanometers equals 0.000000054 megameters.

When cream mixes with coffee, is this a chemical or physical change?