Rat. e me plz

Rat.e me plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 02:30, sotoamerica0814

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Answers: 1

continue

Chemistry, 22.06.2019 04:00, nikkih1225

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Answers: 1

continue

Chemistry, 22.06.2019 09:00, boxergirl2062

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Answers: 3

continue

Chemistry, 22.06.2019 11:40, Wemaybewrong

Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)

Answers: 1

continue

Do you know the correct answer?

Rat. e me plz

...