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svetoff [14.1K]
3 years ago
14

Match the characteristics of each of the substance to their category

Chemistry
1 answer:
hjlf3 years ago
6 0

Answer:

Metal: C, F, G,  

Nonmetal: B, E,  

Metalloid: A, D, H

Explanation:

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The number of protons in a neutral atom is balanced by an equal number of
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There would be an equal amounts of ELECTRONS.

In order for the atom to be neutral it would imply that the number of protons (positive particles) and the number of electrons (negative particles) are equal since the neutrons are without charge.
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A can of butane with a pressure of 2 atm at 283k has its pressure increased to a new pressure of 5 atm. What is the temperature
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Answer:

New temperature T2 = 707.5 K (Approx.)

Explanation:

Given:

Old pressure P1 = 2 atm

Old temperature T1 = 283 K

New Pressure P2 = 5 atm

Find:

New temperature T2

Computation:

Using Gay-Lussac law;

P1 / T1 = P2 / T2

So,

2 / 283 = 5 / T2

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A solution is prepared by dissolving 51 g of salt in 340 g of
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the density of water at different temperature is listed in the table above. Based on this information we can predict that the de
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3 years ago
Write the coefficients for the reactant and product.
balu736 [363]
<h3>Answer:</h3>

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

<h3>Explanation:</h3>
  • The equation for the reaction shown represents the combustion of ethane.

C₂H₆ + O₂ → CO₂ + H₂O

  • To balance the equation we put the coefficients, 2, 7, 4, and 6 on the reactants and products.

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

  • Balancing chemical equations makes the number of atoms of each element equal on both side of the equation.
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4 0
3 years ago
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