What is the molecular formula of the compound CH2 with molar mass = 168 g/mol?

What is the noble-gas configuration for As

Copper has a density of 8.96 g/cm3. If 75.0 g of copper is added to 50.0 mL of water in a graduated cylinder, to what volume reading will the water level in the cylinder rise?

If a molecule with an empirical formula CHO has a molar mass of 88.12 g/mol, what is its molecular formula?

What is the general trend in atomic size within a group? Within a period?

How does the arrangement of graphite allow a pencil to make a mark

The diagram to the right shows energy for two reactions, A and B. Which reaction has the higher Gpx?

To be considered a source of water pollution, the source must include a chemical.

2,000 kJ worth of heat is absorbs by each of the following objects. Which object will experience the smallest temperature change

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer