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Afina-wow [57]
3 years ago
14

What are atoms made up of

Chemistry
2 answers:
jeka943 years ago
6 0
Protons, neutrons, and elections ( don’t know if it’s multiple choice but hope this helps)
faltersainse [42]3 years ago
3 0

Answer:

They are made up of electrons, neutrons and protons

Explanation:

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4. Are all prokaryotes bad?<br> Provide an example to support<br> your answer.
Rina8888 [55]

Answer:

Although they receive a bad rap from the media and pharmaceuticals, the majority of prokaryotes are either harmless or actually help eukaryotes, such as animals and plants, to survive and only a small number of species are responsible for serious illnesses.

Explanation:

4 0
3 years ago
What happens to the particles in a gas when they touch a cold surface?
leva [86]

Answer:

they condensate

Explanation:

for the example let's use water vapor when gas particles are cooled down they slow done and then they change the state of matter in this case it turns into a liquid hope this helps

8 0
3 years ago
2Fe +3S= Fe2S3 how many grams of sulfur are involved in this reaction if 95 grams of iron are needed to react with sulfur
Zepler [3.9K]

Answer:

83 g

Explanation:

Step 1: Write the balanced equation

2 Fe + 3 S ⇒ Fe₂S₃

Step 2: Calculate the moles corresponding to 95 g of Fe

The molar mass of Fe is 55.85 g/mol.

95 g × 1 mol/55.85 g = 1.7 mol

Step 3: Calculate the moles of S needed to react with 1.7 moles of Fe

The molar ratio of Fe to S is 2:3. The moles of S needed are 3/2 × 1.7 mol = 2.6 mol

Step 4: Calculate the mass corresponding to 2.6 moles of S

The molar mass of S is 32.07 g/mol.

2.6 mol × 32.07 g/mol = 83 g

5 0
3 years ago
Temperature of an object determines the _____ of heat transfer.
kherson [118]
The answer is flow of heat
6 0
3 years ago
How many hydrogen atoms must bond to silicon to give it an octet of valence electrons?
Ksju [112]
4 hydrogen atoms must bond
4 0
3 years ago
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