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3 years ago

Which statement describes an intensive property of matter?

Chemistry

1 answer:

vagabundo [1.1K]3 years ago

5 0

Answer:

It is B on edge, iv just finished taking the quiz :)

Explanation:

Hope this helps! Let me know if you need anymore help:)

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One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate,

kompoz [17]

Answer:

0.0075 M

Explanation:

Mass of copper metal recovered:

$m_o = 95 mg = 95\cdot 10^{-3} g$

Molar mass of copper should be used in this problem in order to convert the mass of copper into moles of copper:

$M_o = 63.546 g/mol$

According to the balanced chemical equation, 1 mole of copper(II) sulfate produces 1 mole of copper metal, this means, when we find the number of moles of copper metal, this will be equivalent to the number of moles of copper(II) sulfate. Dividing the number of moles of copper(II) sulfate by the volume of the solution in liters will yield the molarity needed.

Firstly, the number of moles of copper (and copper(II) sulfate):

$n_o = \frac{m_o}{M_o}$

Given a volume of:

$V = 200 mL = 0.200 L$

We obtain a molarity of:

$c_o = \frac{n_o}{V} = \frac{m_o}{M_o V} = \frac{95\cdot 10^{-3} g}{63.546 g/mol\cdot 0.200 L} = 0.0075 M$

3 0

4 years ago

What is the Lewis structure of NH3O.

Nat2105 [25]

So, for compound with composition NH3O the correct structure would be H2N−OH. The structure of second type is stable for compound NOF3 and may be observed for amine oxides like (C2H5)3N→O or pyridine-N-oxide.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

8 0

3 years ago

Read 2 more answers

Identify some of the signs that has a chemical change has occurred

mrs_skeptik [129]

The object can no longer be returned to its original self, like ashes can't turn back to wood. The color changes, and bubbles.Also odor change, and gas formation.

4 0

4 years ago

What is the main product of cellular respiration?

Korvikt [17]

Answer:

The main products are ATP, carbon dioxide, and water.

6 0

3 years ago

Read 2 more answers

Which types of electron orbitals will have higher energy than a 4d orbital?

alexdok [17]

Answer:

D) 4f

Explanation:

To determine which electron orbital that will have higher energy than a 4d orbital, we write the electron configuration starting with s-orbital.

2s 2p

3s 3p 3d 3f

4s 4p 4d 4f

5s 5p 5d 5f

6s 6p 6d 6f

7s 7p 7d 7f

In ascending order, 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 3f, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p, 6f, 7d, 7f.

From the electronic configuration formula above, the electron orbitals that have higher energy than a 4d orbital are 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p, 6f, 7d, 7f.

Therefore, 4f is the correct answer.

8 0

3 years ago