What evidence indicates that a reaction has occurred? (Select all that apply.)

a. The temperature decreased.

b. A solid brown product formed.

c. The temperature increased.

d. A gas formed.

e. An explosion occurred.

How many neutrons does bromine have

One mole of liquid water and one mole of solid water have different

based on the positions in the periodic table, which two elements would mostly readily combine to make a stable compound

Which set of products is most likely to result from the combustion reaction shown below? C4H8 (l) + 6O2 (g)

What is the chemical formula for the chemical magnesium nitride?

What happens to the charges when an ionic compound forms

We dissolve 93 grams of sodium sulfate (Na2SO4) in 20 grams of water. What is the percent by mass of sodium sulfate in this solution? Answer in units of %.

The modern atomic model includes electrons orbiting the nucleus. which of the following parts of dalton's atomic model was disproved by the discovery of the electron? - atoms are tiny particles. - atoms cannot be divided into smaller parts.

tandard reduction potentials are 1.455 V for the PbO2 (s) / Pb (s) couple, 1.82 V for Co3 (aq) / Co2 (aq), 3.06 V for F2 (g) / HF (aq), 1.07 V for Br2 (l) / Br - (aq), and 1.77 V for H2O2 (aq) / H2O (l).

Which of the compounds listed below is more acidic than 1-butanol?