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mojhsa [17]
3 years ago
6

what is different between an ionic bond and and a covalent bond? a. an ionic bond shares electrons, and a covalent bond is an at

traction between opposite charges. b. an ionic bond is a bond between charged atoms, while a covalent bond is a bond between neutral atoms. c. an covalent bond is a bond between charged atoms, while a ionic bond is a bond between neutral atoms. d. an ionic bod is a bond between charged atoms, while covalent bond is a bond between opposite charges.
Chemistry
1 answer:
BaLLatris [955]3 years ago
3 0
I would pick either b) or D) but you just have to remember that not all ionicbonds will bond together, because some bonds are only negattive bonds, 
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As matter changes, what happens to the energy?
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Energy, Temperature, and Changes of State

Matter either loses or absorbs energy when it changes from one state to another. For example, when matter changes from a liquid to a solid, it loses energy. The opposite happens when matter changes from a solid to a liquid.

4 0
2 years ago
How many moles of NO gas are formed from 2.25 moles of nitrogen?
VikaD [51]

Hey there!

A mole is measured in atoms, molecules, particles. It's kind of a loose sort of measurement, just unit of the substance.

Since there is a ratio of 1 to 1 nitrogen to oxygen, there will be the same amount of molecules as atoms of nitrogen.

2.25 moles of NO gas are formed from 2.25 moles of nitrogen.

Hope this helps!

7 0
2 years ago
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JulijaS [17]
True final answer to this question

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8 0
3 years ago
Based on your knowledge of intermolecular forces, which of the following would you expect to have the highest boiling point?
Galina-37 [17]
Answer is: d). 1-propanol. Because between two molecules of 1-propanol can for form hydrogen bond, between hydrogen and oxygen in hydroxy group.

1) Chemical formula for propanal is CH₃-CH₂-CH=O. Propanal  is a saturated three carbon aldehyde (have a carbonyl center).
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3) Chemical formula for propanone is (CH₃)₂-C=O. Propanone or acetone is he simplest and smallest ketone.
4) Chemical formula for propanol is CH₃-CH₂-CH₂-OH. 1-propanol  is a primary alcohol.
Hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (H), covalently bound to a highly electronegative atom such as flourine (F), oxygen (O) and nitrogen (N) atoms.
7 0
3 years ago
The vapor pressure of ethanol is 400. mmhg at 63.5°c. its molar heat of vaporization is 39.3 kj/mol. what is the vapor pressure
Vilka [71]

Answer: -

100 mm Hg

Explanation: -

P 1 =400 mm Hg

T 1 = 63.5 C + 273 = 336.5 K

T 2 = 34.9 C + 273 = 307.9 K

ΔHvap = 39.3 KJ/mol = 39.3 x 10³ J mol⁻¹

R = 8.314 J ⁻¹K mol⁻¹

Now using the Clausius Clapeyron equation

ln (P1 / P2) = ΔHvap / R x (1 / T2 - 1 / T1)

Plugging in the values

ln (400 mm/ P₂) = (39.3 x 10³ J mol⁻¹ / 8.314 J ⁻¹K mol⁻¹) x (\frac{1}{307.9 K} - \frac{1}{336.5 K}

= 1.38

P₂ = 100 mm Hg

6 0
3 years ago
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