I would certainly say 4. 40. G in ~ 15°C since kinetic energy is related to temperature and also not mass, for this reason the lower temp would offer you reduced KE

mmsanotherstage2019.com: alternative (4) is the correct mmsanotherstage2019.com.

You are watching: Which sample of copper has atoms

Explanation:

Kinetic energy is the energy that occurs as result of the motion of corpuscle or object.

More is the temperature detailed to one atom much more will be the movement of the particles. Thus, more will be the typical kinetic energy of the atom.

Similarly, much less is the temperature listed to a steel then less will be the motion of the molecules. Hence, at low temperature movement of molecules will certainly be less.

Thus, out of the given options 40 gram the copper in ~

\"*\"
will have the lowest average kinetic energy.


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Let P and also V represent the pressure and also volume that the Xe(g) in the container in diagram 3. If a piston is provided to minimize the volu
Reil <10>

mmsanotherstage2019.com:

2p

Explanation:

To deal with this question, we have the right to use Boyle\"s Law, which states that:

\"For a fixed mass of an ideal gas maintained at constant temperature, the press of the gas is inversely proportional come its volume\"

Mathematically:

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where

p is the push of the gas

V is the volume

The equation have the right to be rewritten as

\"*\"

where in this problem we have:

\"*\"
is the initial pressure of the Xe(g) gas

\"*\"
is the early volume of the Xe(g) gas

\"*\"
is the last volume that the Xe(g) gas

Solving for p2, we uncover the final pressure the the gas:

\"*\"

So, the last pressure is twice the initial pressure.


7 0
11 months ago

Which that the complying with is a compound? A. Sn B. CO C. H D. Mg
UkoKoshka <18>
The correct mmsanotherstage2019.com is:  : \" CO \" .____________________________________________________________ Note:  This is the only mmsanotherstage2019.com selection given that includes two different elements.

See more: 1999 Chevy Cavalier Transmission Fluid Type, Chevrolet Cavalier Questions

____________________________________________________________
3 0
8 month ago

The adhering to equation lnN - N₀ = -kt that time t is plotted ~ above x-axis and also lnN is plotted ~ above y-axis, what are the slopes and y-int
stepladder <879>

mmsanotherstage2019.com:

-k slope

The ax No is the y intercept(does not average NO) y-intercept

Explanation:

For a directly line graph, the common equation can be written as

y = mx + c

Where m is the slope and also c is the y intercept.

Writing the equation is the kind of y = mx + c offers the following;

lnN = -kt + No

As obtained from the question, t is plotted in the x-axis, if lnN is the plot top top the y-axis.

Now, we space asked to acquire the slope and also the y-intercept. It deserve to be seen that the steep is the coefficient the the hatchet x in this instance t. Hence, our steep is -k.

The y-intercept is the various other term which in this instance is No


6 0
6 months ago

Calculate Δ Hrxn for the complying with reaction: CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g) provided these reactions and their ΔH values: C(s)C(s)H
qwelly <4>

mmsanotherstage2019.com : The enthalpy that the following reaction is, -390.3 KJ

Explanation :

The given balanced chemical reaction are,

(1)

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\"*\"

(2)

\"*\"
\"*\"

(3)

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\"*\"

The final reaction the is,

\"*\"
\"*\"

Now adding reaction 2 and also twice that reaction 3 and also reverse of reaction 1, we obtain the enthalpy the of the reaction.

The expression for enthalpy because that the adhering to reaction will certainly be,

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+<-1\\times \\Delta H_1>+<1\\times \\Delta H_2>\" alt=\"\\Delta H_rxn=<2\\times \\Delta H_3>+<-1\\times \\Delta H_1>+<1\\times \\Delta H_2>\" align=\"absmiddle\" class=\"latex-formula\">

where,

n = number of moles

Now put all the given values in the over expression, we get:

\"*\"
+<-1mole\\times (-74.6KJ/mole)>+<1\\times (-95.7KJ/mole)>=-390.3KJ\" alt=\"\\Delta H_rxn=<2mole\\times (-184.6KJ/mole)>+<-1mole\\times (-74.6KJ/mole)>+<1\\times (-95.7KJ/mole)>=-390.3KJ\" align=\"absmiddle\" class=\"latex-formula\">

Therefore, the enthalpy the the following reaction is, -390.3 KJ


6 0
5 month ago
Which that the following is an endothermic reaction?
Juliette <100K>
It would certainly be ABecause endothermic always takes in heat energy
5 0
10 months ago
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