Acake is made by mixing ingredients and placing the material in an oven for baking. what type of reaction is involved?

select an answer

exothermic

caloric

joule

endothermic

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have