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Cerrena [4.2K]
3 years ago
11

Define Condensation .​

Chemistry
2 answers:
ozzi3 years ago
6 0

Answer:

Condensation is the change of the physical state of matter from the gas phase into the liquid phase.

Rom4ik [11]3 years ago
3 0

Answer:

the conversion of a vapour or gas to a liquid is defined as condensation.

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The theory of global warming states that the average temperature of the earth has been increasing over time. This theory will be
Fittoniya [83]
<span>The theory of global warming states that the average temperature of the earth has been increasing over time. This theory will be most strongly affected by </span><span>scientific studies that </span><span>reveal how the earth's temperature has fluctuated in the past.</span>
4 0
3 years ago
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Are the statements about hydrogen bonding of the compound below with water true or false? this compound can act as a hydrogen-bo
Lyrx [107]
I searched for complete question (as your question is missing with structure) and found the structure of compound attached below.

Answer:
             The compound can neither act as a Hydrogen Bond Donor nor act as a Hydrogen Bond Acceptor.

Explanation:
                   For two compounds to build Hydrogen Bond Interactions it is compulsory that they must contain Hydrogen atoms which are directly attached to most electronegative atoms like Fluorine, Oxygen and Nitrogen.
                   As the given compound is 2-Butene (a non polar hydrocarbon), it lacks partial positive Hydrogen (which can act as Hydrogen Bond Donor) and a most electronegative element (F, O or N) which can act as Hydrogen Bond Acceptor. Therefore, this compound will not generate any Hydrogen Bonding with water molecules and will remain immiscible in it.

4 0
3 years ago
Calcium hydride reacts with water to form hydrogen gas and calcium hydroxide. How many grams of calcium hydride are needed to ge
4vir4ik [10]

The Equation is CaH2(s)+2H2O(l)-->Ca(OH)2(aq)+2H2(g)

so,

moles of H2 generated = PV / RT

R = 62.363 L Torr K−1 mol−1

number of moles = 814 * 53.5 / 62.363 * 293

= 2.38 moles

looking at the equation these came from 2.38 /2 moles of CaH2 or 1.19 moles

Molar mass of CaH2 is 42.0943 g/mol

so mass of CaH2 = 1.19 X 42.1 = 50.01g

3 0
3 years ago
a culinary student fills a 40ml container with 37.2 grams of vegetable oil.What is the density of the oil
Lynna [10]

Answer:

<h2>0.93 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 37.2 g

volume = 40 mL

We have

density =  \frac{37.2}{40}  \\  = 0.93

We have the final answer as

<h3>0.93 g/mL</h3>

Hope this helps you

4 0
3 years ago
Given the unbalanced equation: Li + N2 -&gt; Li3N When the equation is
olya-2409 [2.1K]

Answer:

D) 6

Explanation:

The balanced equation would be:

6Li + N2 -> 2Li3N

5 0
3 years ago
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