Ask question

Ask question

All categories

2 years ago

5

What is one way to tell if a mineral is an element?

1 answer:

erastova [34]2 years ago

8 0

Answer:

if it is pure and its a compound or an element

Explanation:

You might be interested in

PLEASE HELP ME ON THIS QUESTION

Brilliant_brown [7]

He call me big purr

4 0

3 years ago

How can you remove salt from oil

Gennadij [26K]

Answer:

you can't

Explanation:

4 0

2 years ago

Read 2 more answers

Liquid nitrogen is used as a commercial refrigerant to flash freeze foods. Nitrogen boils at

Arisa [49]

77.15 kelvin would be the answer

5 0

2 years ago

Read 2 more answers

Which of the following steps will slow down the reaction between coal and oxygen?

irakobra [83]

Answer:

decrease temperature of the oxygen

Explanation:

5 0

2 years ago

Read 2 more answers

Calculate the number of moles CuCl2 necessary to make 50 mL of a 0.15M solution

tekilochka [14]

Volume ⇒ 50 mL in liters : 50 / 1000 = 0.05 L

Molarity of solution ⇒ 0.15 M

Number of moles:

n = M * V

n = 0.15 * 0.05

n = 0.0075 moles of CuCl2

hope this helps!.

3 0

2 years ago