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Crazy boy [7]
3 years ago
15

30 Points! What is the difference between an atom and an ion

Chemistry
2 answers:
ValentinkaMS [17]3 years ago
6 0
Atom is a neutral element found in nature without any charge. In other words, it has same number of Protons and electrons, whereas ion is a charged thing, either positive or negative. We can find their charge by:

Charge = Number of Protons - Number of Electrons

Hope this helps!
Liula [17]3 years ago
4 0
Atoms are neutral, they have a similar number of protons (positive charge) and electrons (negative charge)

Ions have either a positive or negative charge by adding or taking away electrons to change the charge.
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Why are acids, bases and even some salts commonly used in cleaning applications?
Jet001 [13]

Answer:

Hope this helps :)

Explanation:

In the chemical industry, acids react in neutralization reactions to produce salts. For example, nitric acid reacts with ammonia to produce ammonium nitrate, a fertilizer. Additionally, carboxylic acids can be esterified with alcohols, to produce esters.

Acids are used to remove mineral deposits, rust stains, and hard water deposits. They can remove discoloration from some metals, such as aluminum, brass, bronze, and copper. Some acids are effective both in cleaning and disinfecting surfaces.

4 0
3 years ago
How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 88.1 molesmoles of water vapor?
irga5000 [103]

Answer:

88.1 moles of H₂

Explanation:

Let's make the reaction:

H₂(g) + CO₂(g) → H₂O(g) + CO(g)

Ratio is 1:1

Therefore, 1 mol of hydrogen reacts with 1 mol of carbon dioxide to produce 1 mol of water and 1 mol of carbon monoxide.

In conclusion, 88.1 moles of water must be produced by 88.1 moles of H₂

The reaction can also be written as an equilbrium

H₂(g) + CO₂(g) ⇄ H₂O(g) + CO(g)           Kc

8 0
4 years ago
In which of the following is the solution concentration expressed in terms of molarity?
puteri [66]
Answer:
D. <span>10 mol of solute/ 1L of solution

Explanation:
Molarity is used to express the concentration of the solution. It is expressed as the number of moles of solute per liter of solution

Molarity = moles of solute / liters of solution
This means that molarity has the units moles/liter

The only option satisfying this is the last one.

Hope this helps :)</span>
8 0
4 years ago
Read 2 more answers
A sample of a pure substance with a density of 3 g/mL is separated into two pieces. One piece has a mass of 50 g and the other p
pshichka [43]

Answer:

8.3ml

Explanation:

to get volume u have to divide 25g over the density, i rounded to the nearest tenth, if you don't want to then write out the full number with all the decimals

4 0
3 years ago
The length of Mac’s bedroom is 3m 59cm. Dennis’ bedroom is 2m 89cm longer than Mac’s bedroom. How many centimeters long is Denni
GalinKa [24]

Answer:

6m 48cm

Explanation:

First we can convert the length of Mac's bedroom to centimeters:

As<em> 1 m is equal to 100 cm</em>,

  • 3m 59cm is equal to 300 cm + 59 cm = 359 cm.

As for Dennis' bedroom's information:

  • 2m 89cm = 289 cm

Now we can calculate the length of Dennis' bedroom:

  • 359 cm + 289 cm = 648 cm

Rewriting the answer leaves us with 6m 48cm.

8 0
3 years ago
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