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zaharov [31]
3 years ago
5

Write down physical and chemical properties for rust, at least 4 each will give brainliest

Chemistry
1 answer:
Trava [24]3 years ago
6 0

Answer:

Physical properties; Gallium metal melts at 30⁰c

Chemical properties; Iron metal rusts

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Which of the following reactants can oxidize sodium?
larisa [96]

Answer:

The answer is Aluminum

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8 0
3 years ago
Why do we say the particles in a rock lying on the ground have kinetic energy and potential energy?
oksano4ka [1.4K]

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the particles of the rock possess kinetic energy as they stay in a place the particles also contain potential energy due to their position and arrangement This form of stored energy is responsible for keeping the particles together

Explanation:

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3 0
3 years ago
how many moles of sodium are needed to react with sulfuric acid to produce 3.75 moles of sodium sulfate according to the followi
anastassius [24]
Hello!
<span>
You'll need to react 7,5 moles of Sodium with sulfuric acid to produce 3.75 moles of sodium sulfate
</span>
First of all, you need to balance the reaction. The balanced reaction is shown below (ensuring that the Law of Conservation of Mass is met on both sides):

2Na + H₂SO₄ → Na₂SO₄ + H₂

Now, all that you have to do is to use molar equivalences in this reaction applying the coefficients to calculate the moles of Sodium that you'll need:

molesNa=3,75moles Na_{2} SO_4* \frac{2 moles Na}{1 mol Na_{2} SO_4} =7,5 moles Na 

Have a nice day!
5 0
3 years ago
What happens when nitrogen fills its valence shell?
Sauron [17]
The right answer is D. three electrons are gained, creating N-3

Nitrogen has 5 electrons in it's valence shell and octet rule states that the valence shell must have 8 electrons. To satisfy that, Nitrogen gains 3 electrons that are negatively charged.Therefore, it gets a negative charge.




5 0
3 years ago
Read 2 more answers
Is krypton a non-reactive, highly reactive, or radioactive?​
Julli [10]

Answer:

Krypton does not react with anything, but it reacts with fluorine gas

Explanation:

7 0
2 years ago
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