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Vladimir79 [104]
3 years ago
5

How are ionic bonds formed

Chemistry
1 answer:
kiruha [24]3 years ago
4 0
Ionic bonds are formed as one atom the metal gives up or transfers one of its valence electron to the other atom that would then be able to accept it. This other atom is a non metal. This process occurs because the atoms want to become more stable by each of them satisfying the octet rule. In which atoms would have a maximum of 8 valence electrons.
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What are two ways that scientists u measure temperature
anygoal [31]

Using the same anchor points, he determined the freezing temperature for water to be 0 degree and the boiling temperature 100 degrees. The Celsius scale is known as a Universal System Unit. It is used throughout science and in most countries.


8 0
3 years ago
According to the phase diagram for water, how is the state of water determined?
joja [24]

Explanation:

From the attached phase diagram, one can easily make out the phase in which water exists. Matter generally exists in three physical states which are solid, liquid and gas. Water is a unique compound that can exists in these three states at a given temperature and pressure.

From the attached phase diagram,

  1. point O is the triple point where the three phases of pure substance co-exists.
  2. The areas between the curves points at a single phase of matter. Y is a water vapor.
  3. The lines on the curve denotes two equilibrium phases. For example; X is a phase contain ice and melt water.

Learn more:

brainly.com/question/1612862

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
The mass of 2.50 moles of calcium fluoride (CaF2) is how many grams ?
emmasim [6.3K]

Answer:

195.199grams

Explanation:

Fluorine has a molar mass of 18.99984 while calcium has a molar mass of calcium is 40.08.

1 mole of  calcium fluoride has a mass of 40.08+2×18.99984

=78.0797 grams

if one mole has a mass of 78.0797 grams, then 2.5 moles have:

2.5 moles× 78.0797 grams/mole= 195.1992 grams

3 0
4 years ago
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Which of the following is not a reason that power plants are unable to achieve 100 percent efficiency?
koban [17]
The answer is B. Power plants are efficient though not all heat is managed to be converted.

Answer:

\boxed
{\bf~Not~all~energy~is~converted~heat~from~chemical~reactions...}


Hope it helped,

Happy homework/ study/ exam!
7 0
3 years ago
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What is the amount of heat released or absorbed by a reaction?
seraphim [82]

Answer:

use the equation Q = mc ΔT

Q = heat energy transferred (joules)

m =mass of the liquid being heated (kilograms)

c = specific heat capacity of the liquid (joule per kilogram Celsius), ΔT = change in temperature (Celsius).

4 0
4 years ago
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