3 years ago

Describe the results of a physical change and list three examples of physical change.

1 answer:

8 0

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.

Ex: cutting a paper, gaining weight, cutting hair

You might be interested in

PLEASE HELP! MAJOR TEST GRADE! :(

Goshia [24]

Answer:

Explanation:

7 0

3 years ago

The swallowtail caterpillar is an example of a ?

tresset_1 [31]

Answer:

B) Consumer COnsumer COnsumer

8 0

2 years ago

Write the full symbol for the isotope of oxygen having 8 neutrons.

Helen [10]

Answer:

Isotopes are forms of a chemical element that have the same atomic number but differ in mass. 16O → 8 protons + 8 neutrons; a “light” oxygen); The relative amounts are expressed as either 18O/16O or δ 18O Oxygen - 18 (aka 18O → 8 protons + 10 neutrons; a “heavy” oxygen).

6 0

3 years ago

A brine solution of salt ﬂows at a constant rate of 4L/min into a large tank that initially held 100L of pure water. The solutio

ella [17]

Answer:

To reach 01.kg/L concentration of salt in the tank will take around 18.9 min

Explanation:

Attached