Physics, 28.06.2019 16:30, buky0910p6db44

Nvestigations were carried out in a science lab to explore the topic of chemical and physical changes. investigation a step 1. add 5 tsp. salt to 100 ml warm water and stir until most or all of the salt is no longer visible. step 2. heat the salt solution on a burner until only a white solid remains. investigation b step 1. mix 10 tsp. white sugar into 100 ml water and stir until most or all of the sugar is no longer visible. step 2. heat the sugar solution on a burner until the solution thickens and turns brown. in which step(s) did a chemical change most likely occur?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, vaehcollier

The force will determine the acceleration.

Answers: 1

continue

Physics, 22.06.2019 17:10, lesok0818

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Answers: 2

continue

Physics, 23.06.2019 01:30, kyrajewell2016

Aball is thrown vertically upwards from the top of a tower with a speed of 100m/s. it strikes the pound near the base of the tower after 25sec . the height of the tower is

Answers: 3

continue

Physics, 23.06.2019 01:30, skylarbrown018

The amount of potential energy possessed by an elevated object is equal to

Answers: 2

continue

Do you know the correct answer?

Nvestigations were carried out in a science lab to explore the topic of chemical and physical change...