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kondaur [170]
3 years ago
12

Select all that apply. Which of the following are true statements?.

Chemistry
2 answers:
Nimfa-mama [501]3 years ago
6 0
I believe A,C, and D are correct
olga55 [171]3 years ago
4 0

Explanation:

Charges which are alike or similar are repulsive in nature or we can say that like charges repel each other.

Whereas opposite or unlike charges attract each other.

On the other hand, when a charged object is brought in contact with a neutral object then the neutral object acquires an opposite charge which reads to attraction between both the objects. This process of inducing the charge is known as induction.

Thus, we can conclude that the following statements are true.

  • Like charges repel.
  • Unlike charges attract.
  • Charged objects attract neutral objects due to induction.
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What mass of water absorbs 6700 J of heat to raise the temperature from 283K to 318K?​
larisa86 [58]

Answer:

you did not give the specific heat like formula like it takes 1kj to raise 28grams of water by 10 grams

4 0
3 years ago
Which of the following is most likely to use coal<br> as fuel?<br> Stove<br> Airplane<br> Factory
Lyrx [107]

Answer: factory

Explanation: a stove usually runs on electricity or gas, a plane doesnt use coal but factories do to keep it pumping

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3 years ago
Of the following, which is NOT a way to classify a biome?
slavikrds [6]

Answer:

B

Explanation:

Economic principles has nothing to do with biome determination.

8 0
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Read 2 more answers
2c4H10 +13O2 —&gt;8CO2+10H2O to find how many moles of oxygen would react with 4.3 mol C4H10
Elena-2011 [213]

Answer:

\large\boxed{\text{28 mol of O$_{2}$}}

Explanation:

             2C₄H₁₀ + 13O₂ ⟶ 8CO₂ + 10H₂O

n/mol:      4.3  

13 mol of O₂ react with 2 mol of 2C₄H₁₀

\text{Moles of O}_{2} = \text{4.3 mol C$_{4}$H$_{10}$} \times \dfrac{\text{13 mol O}_{2}}{\text{2 mol C$_{4}$H$_{10}$}} = \textbf{28 mol O}_{2}\\\\\text{The reaction requires $\large\boxed{\textbf{28 mol of O$_{2}$}}$}

5 0
3 years ago
Three different atoms or atomic cations with 3 electrons.
sveticcg [70]

Answer:

Li, Be^+, B^{2+}

Explanation:

To answer this question successfully, we need to remember that atoms are neutral species, since the number of protons, the positively charged particles, is equal to the number of electrons, the negatively charged particles. That said, we may firstly find an atom which has 3 electrons (and, as a result, 3 protons, as it should be neutral).

The number of protons is equal to the atomic number of an element. We firstly may have an atom with 3 protons and 3 electrons (atomic number of 3, this is Li).

Similarly, we may take the atomic number of 4, beryllium, and remove 1 electron from it. Upon removing an electron, it would become beryllium cation, Be^+.

We may use the same logic going forward and taking the atomic number of 5. This is boron. In this case, we need to remove 2 electrons to have a total of 3 electrons. Removal of 2 electrons would yield a +2-charged cation: B^{2+}.

6 0
3 years ago
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