2 years ago

A. Dùng chữ số và kí hiệu biểu diễn các ý sau:

Chemistry

1 answer:

Dmitry_Shevchenko [17]2 years ago

6 0

Answer:

what? can you translate it in english

Explanation:

I have no explanation and i have no idea

You might be interested in

Label the following changes as Physical or

Leno4ka [110]

Answer:

Two clear liquids mix and form a

white solid

18.chemical

A pot of water begins to

boil

19.Physical

the rest im usure on.

5 0

3 years ago

State the periodic law and explain how it relates to the periodic table.

serious [3.7K]

State the periodic law and explain how it relates to the periodic table.

3 0

2 years ago

Read 2 more answers

How do you know a physical change has occurred when evaporating water produces gaseous water?

levacccp [35]

Answer:

Its b its the state not anything else

6 0

3 years ago

What two particles must a substance particles exhibit in order to conduct electricity

Tom [10]

Answer:

electron (-) and proton (+)

5 0

3 years ago

A compound was found to be soluble in water. It was also found that addition of acid to an aqueous solution of this compound res

gogolik [260]

Answer:

c. Cr

Explanation:

$Cr^3+(aq) + CO_3^2-(aq) ------------> Cr_2CO_3(s)$

The compound is containing $CO_3^2-$ ion.

If acid reacts with it, CO_2 evolves.

$H^+ + CO_3^2- ----------> H_2O + CO_2$

therefore, Cr would form a precipitate when added to an aqueous solution of this compound. Cr2CO3 is the precipitate.

3 0

3 years ago