Chemistry

Chemistry, 24.06.2019 21:00, edjiejwi

Describe the ways you can know that a chemical reaction has occurred. enter your answer in the space provided.

answer

Answers: 1

Show answers

Similar questions

Предмет

Physics, 30.07.2019 15:30, loredobrooke9929

You mix two liquids together, and they begin to bubble. has a chemical reaction occurred? why or why not? enter your answer in the space provided.

Answers: 1

Предмет

Chemistry, 31.08.2019 02:30, daniella999sandoval

Describe how temperature affects the rate of a reaction. enter your answer in the space provided.

Answers: 1

Предмет

Chemistry, 19.10.2019 00:00, simmonsl7790

Mr. peters’ class conducted a fun experiment during class. for homework, jason had to analyze the data and make a conclusion. what should jason conclude? observations_ a cloudy white substance is formed, tiny bubbles forming at the top, a sweet odor. a.several chemical changes occurred. i conclude that no chemical reaction occurred. b.several chemical changes occurred. i conclude that a chemical reaction took place. c.several chemical and physical changes took place. i conclude that there was no chemical reaction. d.several physical changes occurred. i conclude that a chemical reaction took place

Answers: 3

Предмет

Physics, 28.10.2019 17:31, heroicblad

Select the correct answer. a scientist compares two samples of white powder. one powder was present at the beginning of an experiment. the other powder was present at the end. she wants to determine whether a chemical reaction has occurred. she finds that neither sample bubbles or dissolves in water. she measures the mass and volume of the solids. sample one has a volume of 45 cm3 and a mass of 0.5 g. sample two has a volume of 65 cm3 and a mass of 1.3 g. what should the scientist conclude? a. the samples have the same color, so no chemical reaction has occurred. b. the two samples do not react with water, so no chemical reaction has occurred. c. the densities of the samples are different, so a chemical reaction has occurred. d. the densities of the samples are the same, so no chemical reaction has occurred. e. the densities of the samples are different, so no chemical reaction has occurred

Answers: 2

Do you know the correct answer?

Describe the ways you can know that a chemical reaction has occurred. enter your answer in the space...

Questions in other subjects:

Konu

Chemistry, 01.08.2019 20:30

Asample of water at 100°c is converted to steam after absorbing 820 kj of heat. how grams of h2o are contained in the sample? assume that the molar heat of vaporization of water i...

Konu

Mathematics, 01.08.2019 20:30

If the denominator of 4/7 is increased by a number and the numerator is doubled, the result is 1. find the number....

Konu

Social Studies, 01.08.2019 20:30

The bill now faces the second stage of the legislative process of being studies by a committee. frequently, based on its study, the committee will make changes in the measure. memb...

Konu

Biology, 01.08.2019 20:30

What is the difference between a learned behavior and an inherited behavior?...

Konu

Mathematics, 01.08.2019 20:30

The parents club wants to sell buttons to raise money for the local community center sports program. the buttons cost $0.50 each and the club buys 1400 of them. how much total prof...

Konu

Mathematics, 01.08.2019 20:30

What is a part of a whole expressed in hundredths called...

Konu

Geography, 01.08.2019 20:30

2. soil temperature changes happen so gradually that they do not play a significant role in climate a. true b. false...

Konu

Mathematics, 01.08.2019 20:30

What is the equivalent fraction two fifth...

Konu

Mathematics, 01.08.2019 20:30

Which expression is equivalent to ⁻3(⁻6b + 5)? a)⁻18b - 15 b)⁻6b + 15 c)6b - 15 d)18b - 15...

Konu

Mathematics, 01.08.2019 20:30

What is the equation of the directrix for the parabola -8(y-3)=(x+4)^2...

Other tasks in the category: Chemistry More task