In your lab group you combined vinegar and water and observed the results shown in the picture. Choose ALL of the evidence that supports that a chemical change has occurred.

A gas is produced.

B)The color changed.

c) Bubbling occurred.

D) The baking soda dissolved.

E) There is a change in the composition of the reactants.
ANOTHER HELP OVER HERE PLS

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /