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VladimirAG [237]
3 years ago
12

How many electrons are shared in a double covalent bond?

Chemistry
2 answers:
AleksAgata [21]3 years ago
8 0
In a double covalent bonds there are 4 valence electrons that are shared.
Rus_ich [418]3 years ago
4 0

Answer:

4

Explanation:

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What takes pictures of clouds and storm systems from the exosphere
tamaranim1 [39]

The answer should be "Satellite." The satellite is placed in the exosphere which allows it to take pictures of the clouds from above, which is also how NASA gets most of it's pictures of the planet.

Hope this helps!

4 0
3 years ago
How many grams of ice at -13 deg C must be added to 711 grams of water that is initially at a temperature of 87 deg C to produce
Basile [38]

Answer:

The answer to your question is m = 4.7 kg

Explanation:

Data

Ice                                   Water

mass = ?                          mass = 711 g

T₁ = -13°C                         T₁ = 87°C

T₂ = 10°C                         T₂ = 10°C

Ch = 2090 J/kg°K          Cw = 4180 J/kg°K

Process

1.- Convert temperature to kelvin

T₁ = 273 + (-13) = 260°K

T₁ water = 87 + 273 = 360 °K

T₂ = 10 + 273 = 283°K

2.- Write the equation of interchange of heat

                 - Heat lost = Heat absorbed

               - mwCw(T₂ - T₁) = miCi(T₂ - T₁)

-Substitution

              - 0.711(4180)(10 - 87) = m(2090)(10 - (-13))

- Simplification

                            228842.46 = 48070m

                            m = 228842.46/48070

-Result

                            m = 4.7 kg

4 0
3 years ago
What are three ways of the atmosphere is important to living things?
UNO [17]
  <span>1. Blocks Ultra violet rays that can be harmful.
2. Provides Oxygen, so we can live. 
3. It blocks meteors from hitting Earth's surface. 
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7 0
3 years ago
What property of water enables ice wedging to break rock?
seropon [69]

Answer:

c

Explanation:

hope I helped

hope im corrext

6 0
3 years ago
A jar of mixed nuts is a ________ mixture
Alisiya [41]
It is a heterogeneous mixture <span>
</span>
5 0
3 years ago
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