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olchik [2.2K]
2 years ago
10

What are the components of our solar system?

Chemistry
1 answer:
Crank2 years ago
4 0
Star the sunnnnnnnnnn
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Loretta and her friends want to find out which of their pets can run the fastest. Which kind of scientific investigation should
Feliz [49]
A. and D. would be the best pick for this sort of experiment, but maybe (unlikely) B. because you could see how they could react in certain situations, how they react to danger but I suggest A.

Hope this helps you ☁︎☀︎☁︎
7 0
3 years ago
Read 2 more answers
oils will dissolve best in solvents that are? A. polar B. nonpolar C. either polar or nonpolar D. neither polar nor nonpolar
Genrish500 [490]
The answer is <span>B. nonpolar.

Polar molecules dissolve best in polar solvents while nonpolar molecules dissolve best in nonpolar solvents. </span>Oils are nonpolar. So, they will dissolve best in nonpolar solvents. If you put oil in some polar solvent, such as water, it will hardly dissolve.
4 0
3 years ago
If 14.5 g of MnO4- (permanganate) react with manganese (II) hydroxide how many grams of manganese (IV) oxide will be produced? T
Veronika [31]

Answer:

m_{MnO_2}=21.2gMnO_2

Explanation:

Hello,

In this case, given the balanced reaction:

2MnO_4^-+2Mn(OH)_2\rightarrow 4MnO_2+2OH^-+H_2O

We can see a 2:4 mole ration between permanganate ion (118.9 g/mol) and manganese (IV) oxide (86.9 g/mol), that is why the resulting mas of this last one turns out:

m_{MnO_2}=14.5gMnO_4^-*\frac{1molMnO_4^-}{118.9gMnO_4^-}*\frac{4MnO_2}{2molMnO_4^-}  *\frac{86.9gMnO_2}{1molMnO_2} \\\\m_{MnO_2}=21.2gMnO_2

Best regards.

5 0
3 years ago
A chemical property is _______________.
deff fn [24]

Answer:

Explanation:

 chemical bonds between atoms are formed or broken.

Still stuck? Get 1-on-1 help from an expert tutor now.

5 0
3 years ago
I didn’t study for this lol if your answer correct I’ll mark ur answer brainliest
kotykmax [81]

Answer:

3

Explanation:

3 is the answer is did this a little while ago

4 0
3 years ago
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