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Arlecino [84]
3 years ago
14

How many electrons are in O2-?

Chemistry
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

There will be 16 electrons in O2-

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Gsfdfsveg dgdtdgrgsjrjrjrhrhrjeurjruehrururhrhrhhrhdj okay so I googled this and got nothing ugh help meh
PolarNik [594]

Answer:

1.Magnetosphere

2.Liquid Outer core

3.Atmosphere

4.Lightening

5.Biosphere

6.Blue

7.Dolphins

8.Hydrosphere

9.Ice Caps

10.Lithosphere

11.Latitude

12.Longitude

Explanation:

The invisible field that protect us from solar radiation is called Magnetosphere.

This protective field is created by movement between solid inner core and earth's Liquid outer core.

The layer of gases is called atmosphere.

In addition to wind , rain , lightening is observed on stormy night.

Because of water earth looks Blue.

Dolphins are just one of the animals that calls the hydrosphere, its home.

Ice caps in the north and south poles.

Rocky layer of solid earth is part of Lithosphere.

Look for the latitude first ,horizontal line ...

8 0
3 years ago
How many molecules is 7.22 mole H2O
Vinil7 [7]

Answer:

no H2O molecules are produced:)

Explanation:

6 0
2 years ago
Read 2 more answers
Select all the correct answers.
andrey2020 [161]

The  properties which keep the water temperature from changing much are;

  • water's high specific heat capacity
  • the large mass of water
<h3>What is specific heat capacity?</h3>

The specific heat capacity is the property of a substance that shows how much its temperature changes when it is exposed to heat.

Thus, the  properties which keep the water temperature from changing much are;

  • water's high specific heat capacity
  • the large mass of water

Missing parts:

A red-hot iron nail is immersed in a large bucket of water. Although the nail cools down sufficiently to be held bare-handed, the temperature of the water barely increases. Which properties keep the water temperature from changing much?

A.) water's high heat conductivity

B.) water's high specific heat capacity

C.) the iron nail's high heat conductivity

D.) the large mass of water

E.) the iron nail's high specific heat capacity

Learn more about heat capacity:brainly.com/question/12244241

#SPJ1

3 0
1 year ago
A scuba diver knows that she needs 50.0mol of air for an upcoming dive. What size (volume) tank will she need to fill for this d
erica [24]

Answer:

1120 L.

Explanation:

Hello!

In this case, as no conditions of pressure of temperature are given for this problem, we can assume that the scuba diver dives at STP (1 atm and 273.15 K), which means that 1 mole of air would occupy a volume of 22.4 L.

In such a way, since she needs 50.0 moles of air, the following ratio is useful to compute the size (volume) of the tank she needs:

V_2=\frac{V_1*n_2}{n_1}

Thereby, we plug in to obtain:

V_2=\frac{22.4L*50.0mol}{1mol}\\\\V_2=1120 L

Best regards!

4 0
3 years ago
When the temperature of a substance _____, the motion of the atoms that make up that substance _____.
Mkey [24]
Increase in temperature makes the atoms speed up, and decrease in temperature makes the atoms move slower.
7 0
3 years ago
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