the total mass of the reactants equals the total mass of the products
Yes, it is true.
true
Yes it is very true
true
true
True. CFCs (chlorofluorocarbons) are synthetic chemicals that are created through industrial processes. They are commonly used as refrigerants, solvents, and propellants.
yes,sadly,it is true
There are many things that are true about chemists. Chemists are scientists trained to study chemicals.
There are 4,000 chemicals in secondhand smoke.
true
All chemicals in the lab are to be considered dangerous. ... Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
It is incorrect to assume that all chemicals are potentially dangerous or hazardous because that is not true.