What is the primary meaning when we say that something burns?

The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the environment.

The speed of lightin a vacuum is 2.998 x 10^8 m/s. what is its speed in kilometters per hour?

Describe a way to separate a mixture of sand and salt.

Derek needs a tool that delivers 5.00 mL of a sodium hydroxide solution. Which tool would be best for him to use? a beaker a pipette a graduated cylinder an Erlenmeyer flask

Nicotine is an example of a A. narcotic drug. B. stimulant drug. C. depressant drug. D. hallucinogen drug.

Determine the molar mass of an unknown monoprotic acid to two decimal places if 20.01 ml of a 0.098 m naoh solution were used to titrate 0.215 g of the unknown acid

A diatomic molecule with a triple covalent bond is A. H2 B. N2 C. O2 D. Br2 (P. S. The answer turned out to be B. N2)

Consider the following half-reactions: Half-reaction E° (V) I2 (s) + 2e - 2I - (aq) 0.535V 2H + (aq) + 2e - H2 (g) 0.000V Zn2 + (aq) + 2e - Zn (s) - 0.

Where did the longest tsunami form?

Calculate the number of H atoms in 0.190 mole C 6 H 14 O .