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marissa [1.9K]
3 years ago
8

Michelle and john are walking down the street deep in conversation

Chemistry
1 answer:
Olin [163]3 years ago
8 0

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BRAINLIESTTT ASAP!! PLEASE HELP ME :)
VladimirAG [237]

Answer:

Chlorine takes electrons from potassium in the reaction.

Explanation:

2K + Cl₂ ⟶ 2KCl

The KCl is an ionic solid.

It consists of K⁺ and Cl⁻ ions that are formed by the transfer of an electron from K to Cl.

The chlorine takes electrons from potassium, and Gain of Electrons is Reduction.

At the same time, potassium loses electrons to chlorine, and Loss of Electrons is Oxidation.

Both oxidation and reduction are occurring, so this is an oxidation-reduction reaction.

6 0
3 years ago
The melting point of copper is 1084 Celsius. How does the energy of the particles in a certain amount of liquid copper compare t
matrenka [14]
The melting point of the solid form of water, which is ice, is 0°C. When we convert both temperatures to kelvin by adding 273 to each we get the melting point of copper as 1357K and that of ice is 273K. Then, dividing the melting point of copper by the melting point of ice, both in absolute temperature scale. The answer would be 4.97. Thus, the energy of molecules of copper is approximately {five} times compared to that of water
4 0
3 years ago
A 283.3-g sample of X2(g) has a volume of 30 L at 3.2 atm and 27 'C. What is element X?
professor190 [17]

we find the number of moles with the formula

pV=nRT

27C=300k

3.2*30=n*0.082*300

n=96/24.6=3.9 moles

we have the mass ant the number of moles so we can calculate the molar mass

283.3/3.9=72.64g/moles

that means X's mass is 72.64/2=36.3 so the element is Kr(Kriptonium)

4 0
3 years ago
Why do quartz and glass both have very high melting points ?
kozerog [31]
Cause <span>Pure silica </span>can<span> produce an excellent </span>glass<span>, but it is </span>very high<span>-melting (1,723 </span>o<span> C, ... and ability to transmit ultraviolet light (an ability that ordinary </span>glass does<span> not </span>have<span>). ... of its </span>extremely high melting point<span> (1,723 </span>o<span> C, or 3,133 </span>o<span> F), but fluxes </span>can<span> be</span>
3 0
3 years ago
which of the following activities could cause liquid molecules to overcome intermolecular attractive forces and become gas molec
Anna [14]
The answer is C. increasing the temperature of the liquid.

Increasing the temperature of the liquid also means that you are providing energy to the liquid, which makes the molecules overcome intermolecular attractive forces, move more constantly, and become gas molecules.

Hope this would help~ 
3 0
3 years ago
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