Carbón-14 has a half life of 5730 years. A sample of carbon-14 has lost 1/4 of its original value. How old is the sample?

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

The term gas is limited to those substances that exist in the gaseous state at