One mole of copper has a mass of 63.5 grams. Approximately how many atoms of copper are present in one mole of copper?

63 atoms

64 atoms

32 * 1023 atoms

6 * 1023 atoms

A chemical bond joins atoms or electrons? together in a molecule

What happens to the temp a ture of a substance while it is changing stae?

Which is an example of flow of heat through conduction

Which non energy yielding nutrient acts as a solvent and lubricant

The equilibrium constant, Kc, for the following reaction is 56.0 at 278 K. 2CH2Cl2 (g) CH4 (g) + CCl4 (g) When a sufficiently large sample of CH2Cl2 (g) is introduced into an evacuated vessel at 278 K, the equilibrium concentration of CCl4 (g) is

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?

What are facts on osmosis?

If a map of temperature displayed stripes parallel to the equator with equal temperatures at equivalent distances north and south of the equator, it would mean that only blank affected temperature.

What is the term for the amount of salts in water? Evaporation Evaporation Salinity Thermocline Density