Chemistry, 18.07.2019 02:10 mandyO1

Which statement best describes balancing equations and the law of conservation of mass?
there are more atoms in the reactants than in the products, and the total mass is the same in the reactants and in the
products
the number of atoms is the same in the reactants and in the products, and the total mass is the same in the reactants and
in the products
there are fewer atoms in the reactants than in the products, and the total mass is less in the reactants than in the
products
there are more atoms in the reactants than in the products, and the total mass is higher in the reactants than in the
products

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 10:00, Cythina2007

The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90

Answers: 1

continue

Chemistry, 22.06.2019 13:00, jaylanmahone223

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

Answers: 1

continue

Chemistry, 22.06.2019 13:30, ayoismeisalex

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Answers: 1

continue

Chemistry, 22.06.2019 20:10, raiindrxp

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.

Answers: 2

continue

You know the right answer?

Which statement best describes balancing equations and the law of conservation of mass?
there...