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Slav-nsk [51]
4 years ago
14

Which event most likely occurs at point k?

Chemistry
2 answers:
eduard4 years ago
5 0

Answer:The answer is C melting.

Explanation:

liraira [26]4 years ago
3 0

Answer:melting

Explanation:

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2. What volume of oxygen is produced at STP when 6.58 x 1024 molecules of water is
astra-53 [7]

Answer:

V = 122.2 L

Explanation:

Given data:

Number of molecules of water = 6.58×10²⁴

Volume of oxygen produced = ?

Solution:

Chemical equation:

2H₂O → 2H₂ + O₂

<em>Number of moles of water:</em>

Number of moles = 6.58×10²⁴/ 6.022 ×10²³

Number of moles =  1.09 ×10¹ mol

Number of moles =  10.9 mol

Now we will compare the moles of water with oxygen:

                        H₂O         :         O₂

                         2             :          1

                         10.9        :           1/2×10.9 = 5.45 mol

Volume of oxygen:

PV = nRT

V = nRT/P

V = 5.45 mol × 0.0821 L. atm. K⁻¹. mol⁻¹× 273 k / 1 atm

V = 122.2 L. atm. / 1 atm

V = 122.2 L

4 0
4 years ago
Which represents an endothermic reaction? wood burning in a fire splitting a gas molecule changing frost to water vapor TNT expl
scoundrel [369]

Answer:

changing frost into water vapors.

Explanation:

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Hailey, a chemistry student, is measuring samples of a metallic substance for an experiment on density, using a balance that mea
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The best and most correct answer among the choices provided by your question is the second choice or letter B.

<span>The most accurate measurement based on the limitations of the balance that might be found in her recorded data would be 9.2</span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
7 0
3 years ago
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Water is stored where until it is used by the cell
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Answer: The water Inside the cell is stored inside the vacuole(s)

Explanation:

Hope this helps :)

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3 years ago
Observe the concentrations of the hydronium ions(H3O+), hydroxide ions(OH-), and water (H2O) in the “Water Components” chart on
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