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arlik [135]
3 years ago
15

Number 7 please fast answer

Chemistry
2 answers:
77julia77 [94]3 years ago
6 0

Answer:

The answer is c

Explanation:

butalik [34]3 years ago
3 0

Answer: C. copper ... good job! :)

Explanation:

An electrical conductor is a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage. Conductivity, in general, is the capacity to transmit something, such as electricity or heat. ... Copper, steel, gold, aluminum, and brass are also good conductors.

Hope this helps!!! Good luck!!! ;)

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What is the ground-state electron configuration of the fluoride ion F−? Express your answer in condensed form, in order of incre
hoa [83]

Answer:

[He]2p6

Explanation:

Fluorine has an atomoc number of 9 which means 9 electrons with the electon configuration:[He]2p5,However,when it becomes Fluoride ion,it gains one electron to complete its outermost shell to obtain an octet configuration and becomes [He]2p6.

7 0
3 years ago
7. Which liquid caused the egg to shrink? *
ruslelena [56]

Answer:

c.corn syrup

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3 years ago
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What is the volume of 2.00 moles of ideal gas at 25'c and 121.59 kpa of pressure
katrin [286]

Answer:

40.73 L.

Explanation:

  • We can use the general law of ideal gas: <em>PV = nRT.</em>

where, P is the pressure of the gas in atm (P = 121.59 kPa/101.325 = 1.2 atm).

V is the volume of the gas in L (V = ??? L).

n is the no. of moles of the gas in mol (n = 2.0 mol).

R  is the general gas constant (R = 0.082 L.atm/mol.K),

T is the temperature of the gas in K (T = 25°C + 273 = 298 K).

<em>∴ V = nRT/P</em> = (2.0 mol)(0.082 L.atm/mol.K)(298 K)/(1.2 atm) = <em>40.73 L.</em>

6 0
3 years ago
A motorcyclist completes a journey at an average speed of 65 mph
Andrews [41]
227.5

Hope this helps :)
8 0
2 years ago
Caleb has a 860-kilogram car sitting in his back yard, gathering rust.
emmasim [6.3K]
<h3>Answer:</h3>

A. 860 kg

<h3>Explanation:</h3>

To answer the question we need to understand that;

  • Mass refers to the amount of matter in an object.
  • Weight, on the other hand, refers to the gravitational pull of an object to a given surface.
  • Mass is measured using a spring balance.

We also need to know that;

  • The mass of an object remains constant every where irrespective of the gravitational acceleration.
  • Therefore, an object on the surface of the earth would have the same mass as on the surface of the moon.
  • In this case; the mass of the car remains the same on the outer space as on the back yard.
3 0
3 years ago
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