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mario62 [17]
3 years ago
5

What is allotropy ?​

Chemistry
2 answers:
notsponge [240]3 years ago
5 0
An example of an allotrope is carbon:
Carbon can exist in graphite, diamond and amorphous
stiks02 [169]3 years ago
3 0

Answer:

the existence of two or more different physical forms of a chemical element.

Explanation:

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What sound is produced when lithium react with water?
Arisa [49]

Answer:

lithium reacts with water, forming lithium hydroxide and highly flammable hydrogen

5 0
3 years ago
Why do you see a flash of lightning before you hear the thunder during a storm?
snow_tiger [21]

Answer:

the speed of light travels much faster than the speed of sound.

4 0
2 years ago
Express the following answers with the correct number of significant figures.<br> 3.582 ÷ 0.0131
kkurt [141]
Answer is 273

explanation:

The rule of division for significant figures is to put the answer to the least amount of significant figures presented in the problem.
0.0131 only has 3 sig figs which is 131
3.582 has 4 sig figs
The least amount is 3 in the problem
When you originally divide 3.582 and 0.0131 you get 273.4531 in your calculator

Now put it to 3 sig figs
4 is not greater than 5 so you don't need to round
273 is 3 sig figs.
So answer is 273
7 0
3 years ago
Aqueous solutions of lithium sulfate and calcium nitrate are mixed, forming the precipitate
Mashcka [7]

Answer:

(aq) Li2SO4 + (aq) Ca(NO3)2 --> (s) CaSO4 + (aq) 2LiNO3

Explanation:

Aqueous Lithium Sulfate is Li2SO4

Aqueous Calcium Nitrate is Ca(NO3)2

When they're mixed, we get the double displacement solution Calcium Sulfate and Lithium Nitrate.

Precipitate is solid.

We got solid Calcium Sulfate so the other solution must be aqueous.

CaSO4 (s) --> Calcium Sulfate product

LiNO3 (aq) --> Lithium Nitrate product

We balance equation now. 2 Lithiums total and 2 Nitrates total. (Cuz there are 2 on the other side, 1 here)

4 0
2 years ago
Which of the following in the definition of control?
Advocard [28]
D The Part That Stays The Same
5 0
3 years ago
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