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.
True. If the chemicals on your skin are not strong enough to affect the microbes that live on you, it suggests that those chemicals do not possess antimicrobial properties or are not concentrated enough to impact the microbial populations. This means that the skin's natural flora can persist despite the presence of these 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.