True or False: It is OK to heat a sealed vessel. (In other words do you need to fit a release valve on your glassware in case pressures builds up)

How many ml of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 ml of ethanol?

What does molecules form or make

An electric generator coverts kinetic energy into what energy

The ionization energy for a hydrogen atom is 1.31*106 J/mol. What is the ionization energy for He+?

Tell me some bad effects of Ethanol

Which statements describe advantages of models? Check all that apply. Models make it possible to easily notice patterns. Models can be used to communicate and test design ideas. Models allow scientists to predict relationships.

Are energy levels and orbitals the same thing?

Heating devices can be made by passing an electric current through a conductor of: high resistance low resistance high conductivity low conductivity

What is the element 3O2 name

Why sulphur used for food preservation?