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Nookie1986 [14]
3 years ago
7

What is a common property of metals? a) insulates from electricity b) conducts electricity c) has very little reactivity' d) is

liquid at room temperature
Chemistry
2 answers:
Alex Ar [27]3 years ago
7 0

Answer:

it conducts electricity

Explanation:

DedPeter [7]3 years ago
3 0

Answer:

B) conducts electricity

Explanation:

This answer can be answered by the process of elimination.  Metals are excellent conductors of electricity, which means A is out, and metals are also known to have medium reactivity and have high melting points, meaning C and D are also out.

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An electromagent is being shown. Because the picture is showing how to put the lightnulb in and where it is
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3 years ago
A mixture of He, Ne, and N2 gases has a pressure of 1.943 atm. If the pressures of He and Ne are 0.137 atm and 0.566 atm, respec
Ad libitum [116K]

Answer:

The parcial pressure of N₂ in the mixture is 1.24 atm.

Explanation:

The pressure exerted by a particular gas in a mixture is known as its partial pressure. So, Dalton's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas would exert if it were alone:

PT = PA + PB

This relationship is due to the assumption that there are no attractive forces between the gases.

In this case:

PT=PHe + PNe + PN₂

You know:

  • PT= 1.943 atm
  • PHe= 0.137 atm
  • PNe= 0.566 atm
  • PN₂= ?

Replacing:

1.943 atm= 0.137 atm + 0.566 atm + PN₂

Solving:

1.943 atm= 0.703 atm + PN₂

1.943 atm - 0.703 atm= PN₂

1.24 atm= PN₂

<u><em>The parcial pressure of N₂ in the mixture is 1.24 atm.</em></u>

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3 years ago
Chemistry homeworkkk
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What is oxygen made up of? I mean molecules or atoms?
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Oxygen is an atom. Oxygen's atomic number is 8.
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Select one metal which will displace Sn from
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