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Veronika [31]
2 years ago
8

Could a mixture be made up of only one element and no compounds​

Chemistry
1 answer:
Firdavs [7]2 years ago
5 0

Yes. A mixture can be made up of just elements without the use of a compound, you can also just use compounds in a mixture without any elements

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A car traveling with constant speed travels 150km in 7200 s. What is the speed of the car
neonofarm [45]
75km/hr

A car traveling with constant speed travels 150km in 7200 s. What is the speed of the car
4 0
3 years ago
What are the 6 branches of chemistry and what do they study?
neonofarm [45]
Hi there!

The 6 branches of chemistry are Organic Chemistry, Inorganic Chemistry, Analytical Chemistry, Physical Chemistry, Biochemistry, and <span>Nuclear Chemistry.

</span>Organic Chemistry: The branch of chemistry dedicated to carbon compounds and substances.

Inorganic Chemistry: <span> The branch of chemistry dedicated to non-carbon compounds and substances.
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Analytical Chemistry: The branch of chemistry dedicated to identifying and quantifying matter through a variety of different instruments, tools, and practices.

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4 0
3 years ago
Read 2 more answers
How many atoms of Hydrogen are in 67.2 L of H2 at STP?​
nekit [7.7K]

Answer:

this answer is hard cant answer

5 0
3 years ago
2FeCl3 + MgO -&gt; Fe2O3 + 3MgCl2<br> Convert 3.00 moles of MgO to moles of Fe2O3
nikitadnepr [17]

71.8 g of iron (III) oxide (Fe₂O₃) were produced from 3 moles of magnesium oxide (MgO).

Explanation:

We have the following chemical reaction:

2 FeCl₃ + 3 MgO → Fe₂O₃ + 3 MgCl₂

We see from the chemical reaction that 3 moles of magnesium oxide (MgO) will produce 1 mole of iron (III) oxide (Fe₂O₃).

number of moles = mass / molar weight

mass = number of moles × molar weight

mass of Fe₂O₃ = 1 × 71.8 = 71.8 g

Learn more about:

number of moles

brainly.com/question/13981579

#learnwithBrainly

6 0
3 years ago
Can anyone answer these?
Maurinko [17]

Answer:

18 is a

19 is c

20 i am not sure

Explanation:

18)nucleus contains protons and neutrons

8 0
3 years ago
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