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ANEK [815]
2 years ago
14

Select all that apply.

Chemistry
2 answers:
Y_Kistochka [10]2 years ago
8 0
No chemical bonding take place.
And the elements or compounds in the mixtures have no definite proportions.

krek1111 [17]2 years ago
4 0
I would go with B.  The elements of sugar and water have been known for a long time, so A is irrelevant. Mixtures can contain compounds- most of the time mixtures are composed of compounds mixed together, so C is false as well. Chemical formulas are designed to handle different proportions- that's why they have the numbers before the chemical name, such as 2H2O. B is your best bet for this one, as a mixture is more than one chemical combined but not bonded.
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How is energy transferred during convection?
Natalija [7]

The field of energy is wide and interesting due to it can be expressed by differents way.

The thermal energy is associated like internal energy of the atoms or molecules of a substance.  The transfer of thermal energy as heat can take place via convection.

Convection via is the transfer of thermal energy due to the motion of the substance that contains the thermal energy.  

4 0
3 years ago
Read 2 more answers
PLZ I NEEEEEEEDDDDDD HELP
MrRa [10]

Answer:

2h+02=h20

Explanation:

2 in front of h on left side

2 in front of h on right side

3 0
2 years ago
Read 2 more answers
The accepted value for the mass of a moonrock is 46.37 g. In an experiment the rock is measured to be 47.25 g. What is the perce
Artist 52 [7]

Answer:

The answer is

<h2>2.00 %</h2>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual measurement = 46.37 g

error = 47.25 - 46.37 = 0.88

The percentage error of the measurement is

P(\%) =  \frac{0.88}{46.37}  \times 100 \\  = 1.89777873...

We have the final answer as

<h3>2.00 %</h3>

Hope this helps you

4 0
3 years ago
What is the name of this formula?
Alex_Xolod [135]

Answer:

Iron(III) Oxide

Explanation:

You can tell that this formula is for the molecule Iron(III) oxide because it has two iron atoms and three oxygen atoms.

Fun Fact: There are three main types of iron oxides, with this being one of them.

Hope this helped! :^)

3 0
2 years ago
A. At STP, what is the volume of 708 mol of nitrogen gas? 708 mol = 708 mol X L B. A sample of hydrogen gas occupies 14.1 L at S
elena-14-01-66 [18.8K]

Answer:

A. 15859.2 L or 15900 L

B. 0.629 mol

Explanation:

At STP, one mole is equal to approximately 22.4 L

L or mL is volume, so you are attempting to solve for L or mL.

A.

708 mol x (22.4 L/1 mol) = 15859.2 L (w/ significant figures included - 15900 L)

B.

(14.1 L) x (1 mole/ 22.4 L) = 0.629 mol.

5 0
2 years ago
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