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Varvara68 [4.7K]
3 years ago
5

What is chemical equilibrium?

Chemistry
1 answer:
soldier1979 [14.2K]3 years ago
7 0
I believe the answer is b: a reversible reaction.
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1. Which of the following statements is true about seeds?
juin [17]

Answer:

1 ans:  d. all seeds has young plant, stored food and a seed coat.

2 ans: d. the right pollen is placed on their stigmas

3 ans: a. pollen grain falls on a pistil

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4 0
3 years ago
3. What are the energy levels of electrons?
KiRa [710]
Energy levels inside an atom are the specific energies that electrons can have when occupying specific orbitals.
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3 years ago
Specify the number of possible isomers of nitrobenzoic acid. Write the name of one of these isomers. Abbreviate ortho (o), meta
Archy [21]

Answer:

3,meta, ortho,  and para-nitrobenzoic acid, when the nitro group is 1, 2, or 3 carbons away from the carboxyl on the benzene ring

There are 3 dinitrobenzenes, o-dinitrobenzene, m-dinitrobenzene, and p-dinitrobenzene.

1st is benzyl alcohol, the second is anisol.Three more are o-methylphenol, m-methylphenol, and p-methylphenol which contain a linear formula

Explanation:

5 0
3 years ago
Calculate the number of molecules found in 35 g of Sodium Hydroxide?
Helen [10]

Answer:

5.27*10^23 (rounded to 3 significant figures)

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The amount of molecules in one mole of anything is equal to Avogadro's number: 6.022×10^23

To find the number of moles of NaOH in 35 grams of it, do 35 divided by the molar mass (39.997): 35/39.997=0.87506562 moles of NaOH

To find the number of molecules, multiply the moles of NaOH by Avogadro's number: 0.87506562×(6.022×10^23)=5.26964522*10^23

7 0
3 years ago
Read 2 more answers
!!!!!!!!!!! I will mark as brilliant
Vika [28.1K]

Answer:

All matter is made up of tiny particles called <em><u>a</u></em><em><u>t</u></em><em><u>o</u></em><em><u>m</u></em><em><u>s</u></em><em><u>.</u></em> Atoms are made up of three subatomic particles known as <em><u>proton</u></em><em><u>,</u></em><em><u> </u></em><em><u>neutron</u></em><u> </u>and<em><u> </u></em><em><u>electron</u></em><em><u>.</u></em> Protons and neutrons are located in the <em><u>nucleus</u></em><em><u>.</u></em>

The nucleus is dense and takes up very little space within the atom. All protons have a <em><u>positive</u></em><em><u> </u></em>charge and have a mass of about 1 amu. All neutrons have no charge or are <em><u>neutral</u></em> and have a mass of about 1 amu.

Electrons are located in the area known as electron cloud. Electrons orbit around the nucleus and have a <em><u>negative</u></em> charge

4 0
3 years ago
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