Chemistry, 31.08.2019 17:50, jamalchris9353

Which of the following describes a chemical reaction?
a. molecules mix without interacting.
b. atoms in substances react with each other.
c. substances change shape but not properties.
d. molecules interact without bonds breaking.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 10:10, jojomgarcia01

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Answers: 2

continue

Chemistry, 22.06.2019 17:30, sheazy3709

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?

Answers: 2

continue

Chemistry, 22.06.2019 19:10, aamu15

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Answers: 3

continue

Chemistry, 22.06.2019 20:00, jalenevoyles

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.

Answers: 3

continue

Do you know the correct answer?

Which of the following describes a chemical reaction?
a. molecules mix without interacting.