3 years ago

Which change is chemical?

Chemistry

1 answer:

Dmitry_Shevchenko [17]3 years ago

4 0

Answer:

D. water undergoing electrolysis

You might be interested in

24.08 x 10^23 atoms of Boron (B) is equal to how many moles of Boron?

padilas [110]

1 mole ----------- 6.02 x 10²³ atoms
? mole ---------- 24.08 x 10²³ atoms

moles B = ( 24.08 x 10²³) x 1 / 6.02 x 10²³

moles B = 24.08 x 10²³ / 6.02 x 10²³

= 4 moles

Answer B

hope this helps!

5 0

3 years ago

Read 2 more answers

Compare la configuración realizada con la que aparece en la tabla periódica y confirma si esta en

mart [117]

Answer:

Explanation:

4 0

3 years ago

Question 1 (4 points)

oee [108]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Blank # 1 - keep safe distance from the burner

Blank # 2 - Place the equipments on the right place after use

Blank # 3 - perform experiments with proper lab equipment and safety tools

Blank # 4 - Don't break any test tube or lab equipment

(maybe it can be hazardous)

4 0

3 years ago

What is the proper value for C in the above table.<br> A. 28<br> B. 30<br> C. 32<br> D. 65

Alex Ar [27]

Answer:

Explanation:

electron = atomic number - charge(if the charge is positive and addition if the charge is negative)

electron = 30 - 2

electron = 28

8 0

3 years ago

Does the gas particles are spaced further apart than the liquid particles?

maxonik [38]

No they're closer due to the oxygen in the water

4 0

3 years ago