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Allisa [31]
3 years ago
13

Which object has stored gravitational potential energy

Chemistry
2 answers:
inessss [21]3 years ago
6 0

Answer: It is a leaf hanging on a tree

Explanation:

Gravitational Potential Energy (GPE) is energy that is stored and ready to be transformed to kinetic energy when it becomes in motion.

A light bulb has heat and light energy, so it can't be that

A mouse eating cheese is the mouse taking in chemical energy, so no

A car sitting in the driveway has chemical potential energy because it cant move unless the ignition transforms into kinetic energy.

So the only option left is a leaf hanging on a tree.

kakasveta [241]3 years ago
5 0

Answer:a lightbulb burning

Explanation:

Apex

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How many moles of ions are there in 3 moles of calcium chloride?
klemol [59]

Answer:

9 moles of ions

Explanation:

Our compound is: CaCl₂(s)

We dissociate it:

CaCl₂(aq) → Ca²⁺ (aq) + 2Cl⁻(aq)

Per 1 mol of chloride, we have 1 mol of calcium cation and 2moles of chlorides, so in total we have 3 moles of ions.

Therefore in 3 moles of chloride, we would have 9 moles of ions (3 . 3)

5 0
4 years ago
Under what conditions do you expect hydrogen gas to deviate from ideal gas behavior? Explain your answer.
Ostrovityanka [42]
Hydrogen is a non-polar gas with very weak intermolecular forces of attraction. Hydrogen will deviate from the ideal gas behavior at high pressure.
4 0
3 years ago
How many mL of 0.200M KI would contain 0.0500 moles of KI? <br><br> Please explain and show work.
valina [46]

Answer:

250ml

Explanation:

call it V

V*0.2=0.05 (moles)

so V=0.05/0.2 = 0.25l = 250ml

4 0
3 years ago
Read 2 more answers
In Period 3, from left to right in order, each successive
emmasim [6.3K]
Here are some trends you should know.
Electronegativity increases as you go right and up along the periodic table.
       So, (1) is wrong
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       So, (2) is wrong
Proton number or atomic number increases as you go right and down in the table.
       So, (3) is correct
Metallic character increases as you go left and down along the periodic table.
       So, (4) is wrong
8 0
3 years ago
Read 2 more answers
Na + O2 → Na2O2<br> Can you guys help me !
vfiekz [6]

Answer:

Explanation:

Assuming that you are asking for the full-balanced equations...

2Na + O2 = Na2O2

H2 + O2 = H2O2; This equation is already balanced, there is no need for change.  

Please let me know if this is not the answer you are looking for and I will amend the answer.

6 0
3 years ago
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