Which of the following statements is true?

a. compounds keep the chemical properties of the elements they are made from.
b. molecules are made of two or more atoms.
c. john dalton was the first person to propose the idea of an atom.
d. all of the above.

10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?

The boiling point of liquids is very high what does it indicate

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients