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Katen [24]
4 years ago
9

What can account for the increased potential energy when atoms are close together?

Chemistry
2 answers:
Lisa [10]4 years ago
8 0

Answer:

D. Proton to proton repulsion

Explanation:

irina [24]4 years ago
3 0

Answer:

The correct answer is D.

Explanation:

The increase in potential energy when atoms are closer and closer is due to the force of repulsion Proton by Proton. The potential energy that a molecule may have will be due to the forces of attraction and repulsion with other molecules in its environment. The greater the force of repulsion, the greater the potential energy between the atoms.

Have a nice day!

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What would you multiply "grams of barium" by to get the units "moles of barium" ?
solmaris [256]
Moles = weight in grams / molecular weight.

So I would divide the "grams of barium" by its molecular weight (which is 137.3) to get "moles of barium". :)
6 0
4 years ago
In the reaction between the strong acid HCI and the strong base NaOH which of the ions listed below is a spectator ion?
qwelly [4]

Answer:

Na+

Explanation:

The equation would be:

HCl (aq) + NaOH (aq) --> HOH (l) + NaCl (aq)

The equation is already balanced and the NaCl will disassociate in Na+ and Cl- and HCl will disassociate into H+ and Cl- and NaOH will disassociate into Na+ and OH-. Na+ is on both sides of the equation and stays the same, so Na+ will be the spectator ion.  

3 0
3 years ago
Read 2 more answers
12. Which element is a metalloid?<br> 1) AI<br> 2) Ar<br> 3) As<br> 4) Au
Nina [5.8K]
I believe it is element As, for arsenic.
4 0
3 years ago
What are limitations of an egg without the shell but has a very thin layer holding it all together
dedylja [7]

Answer:

As a hen ages, the eggs that she lays get gradually larger. However, the calcium content deposited in the shell remains the same despite the size of the egg. So the eggshells become thinner as the hen ages.

Explanation:

6 0
4 years ago
How many grams of silver chloride are produced from 5.0g of silver nitrate reacting with an excess of
Sav [38]

Answer:

4.21 g of AgCl

3.06 g of BaCl₂ will be needed to complete the reaction

Explanation:

The first step is to determine the reaction.

Reactants: BaCl₂ and AgNO₃

The products will be the silver chloride (AgCl) and the Ba(NO₃)₂

The reaction is: BaCl₂(aq) + 2AgNO₃(aq) → 2AgCl(s) ↓ + Ba(NO₃)₂ (aq)

We determine the silver nitrate moles: 5 g . 1mol / 169.87 g = 0.0294 moles. Now, according to stoichiometry, we know that ratio is 2:2-

2 moles of nitrate can produce 2 moles of chloride, so the 0.0294 moles of silver nitrate, will produce the same amount of chloride.

We convert the moles to mass → 143.32 g / mol . 0.0294 mol = 4.21 g of AgCl.

Now, we consider the BaCl₂.

2 moles of nitrate can react to 1 mol of barium chloride

Then, 0.0294 moles of silver nitrate will react to (0.0294 . 1) /2 = 0.0147 moles. We convert the moles to mass:

0.0147 mol . 208.23 g /1mol = 3.06 g of BaCl₂

6 0
4 years ago
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