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Marrrta [24]
3 years ago
6

what type of forces either interatomic or intermolecular forces prevents ice cubes from adopting the shape of their container​

Chemistry
1 answer:
kobusy [5.1K]3 years ago
8 0

Answer:

intermolecular forces prevents ice cubes from adopting the shape of their container. i hope it helps you.

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Do you expect potassium iodide to be soluble in cyclohexane
Allushta [10]
Answer is: no, <span>potassium iodide has low solubility in cyclohexane.
</span>Potassium iodide (KI) is ionic compound, salt, that dissolve good in polar solvents (for example water), but it is very low soluble in non-polar solvents (in this example cyclohexane C₆H₁₂).
<span>Cyclohexane has zero net polarity, because it is a symmetric molecule, with sp2 hybridization of carbon.</span>
8 0
4 years ago
Read 2 more answers
A 1.92 mol sample of hydrogen gas occupies 22.2 L. How many mol of hydrogen are needed to fill a 102.1 L container at the same p
tia_tia [17]

Answer:

8.83 moles of Hydrogen

Explanation:

We are told that 1.92 moles of H2 occupies 22.2 L at a certain pressure and temperature, and we are asked to calculate the quantity of moles of H2 are necessary to fill a container of 102.1 L. So, if the pressure and temperature are constant, then the equality expressed before 1.92 H2 moles = 22.2 L maintains. Therefore, we can calculate what is being asked as follows:

22.2 L ----- 1.92 H2 moles

102.1 L ---- x = (102.1 L × 1.92 H2 moles)/22.2 L = 8.83 H2 moles

This means that 8.83 H2 moles are necessary to fill a 102.1 L container at a certain pressure and temperature.

8 0
3 years ago
How does the temperature of a substance related to the kinetic energy of its molecules
Alenkasestr [34]

Answer:

They are directly proportional

Explanation:

when the kelvin temperature increases, the average kinetic energy of particles increases and they move faster and vice versa.

6 0
3 years ago
Read 2 more answers
How does the level of carbon dioxide affect the level of water vapor in the atmosphere?
gtnhenbr [62]

Explanation:

“This new data set shows that as surface temperature increases, so does atmospheric humidity,” Dessler said. “Dumping greenhouse gases into the atmosphere makes the atmosphere more humid. And since water vapor is itself a greenhouse gas, the increase in humidity amplifies the warming from carbon dioxide."

5 0
3 years ago
Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2.
Sloan [31]
The answer is -60.57. With appropriate sig figs it becomes -60.6 KJ. 

<span>I think you were on the right track. However you need to multiply H2O by its coefficient from the balanced equation. Then you also need to keep in mind the signs. </span>

<span>Maybe it's easier if I write what I did out: </span>

<span>2H2O > 2H2 +O2...............-H= 2* -285.83 </span>
<span>Ca + O2 + H2 > Ca(OH)2....H= -986.2 </span>
<span>2C + H2 > C2H2.................H= 226.77 </span>

<span>The above H's stand for standard enthalpy of formations. These can be found in textbook appendix. Notice the negative infront of the enthalpy (H) for H2O. This is to remind me/you that the heat lost is gained in the rxn. </span>

<span>So then you add them up. 226.77 - 986.2 + (2*285.83) = -187.77 </span>

<span>Add back the total enthalpy that is given in the question -187.77+127.2 = -60.57 </span>

<span>If signs cross you up find a way to remember that works for you. </span>
4 0
4 years ago
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