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fenix001 [56]
3 years ago
7

What is the difference between a positive and negative ion?

Chemistry
1 answer:
ra1l [238]3 years ago
5 0
Positive ions or molecules that have lost one or more electrons where negative ions are actually oxygen atoms with extra negatively charged electrons.
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suppose you mix two colorless liquids together and a green solid settles to the bottom of the container. explain why you might b
Andrew [12]
Because a unexpected color change has taken place also a precipitate was formed
6 0
3 years ago
What change will be caused by addition of a small amount of hcl to a solution containing fluoride ions and hydrogen fluoride?
agasfer [191]

Answer:

  • <em>The addition of a small amount of HCl to a solution containing fluoride ions and hydrogen fluoride</em> <u>will cause the equilibrium shift to the production of more hydrogen fluoride.</u>

Explanation:

The solution containing <em>fluoride ions and hydrogen fluoride</em> (a weak acid) may be chemically represented by this equilibrium equation:

  • F⁻ (aq) + H⁺ (aq) ⇄ HF (aq)

The <em>HCl</em>, a strong acid, added will ionize in water according to this chemical equation:

  • HCl (aq)  → H⁺ (aq) + Cl⁻ (aq)

Then, following Le Chatelir's principle, the addtion of H⁺ ions coming from the HCl dissociation, will increase the concentration of H⁺ in the solution, driving to the consumption of some F⁻ ions, and the production of more HF acid. This is a shift of the equilbrium toward the HF side.

8 0
3 years ago
What property of water allows the water to cover the astronauts hand?​
Arisa [49]

Answer:

The tendency for water molecules to stick together causes it to causes spheres in space. ... Magnetic-like molecules on water's surface cause the surface to behave like an elastic skin. Each molecule is pulled with equal tension by its neighbors.J

Explanation:

7 0
3 years ago
If I have ten hydrogen molecules and three oxygen molecules, how many molecules of water can I make and how many leftover?
damaskus [11]

Answer:

3 molecules of water with  4 hydrogen atoms left over

Explanation:

Formula for water is H2O

2 hydrogen per 1 Oxygen

we have 10 H and 3 O

3 0
3 years ago
Read 2 more answers
A sample of oxygen gas (O2) at STP has a mass of 48.0 grams. What is the volume of the gas?
zvonat [6]
P * V = n R T 
<span>1 * 2.50 = n * 0.082 * 273 = 2. 50 / ( 0.082 * 273 ) = 0.11 mol </span>
<span>mass = mole number * molecular mass </span>
<span>mass = 0.11 * ( 16 * 2 ) = 3.52 g </span>
7 0
3 years ago
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