The prize is D due to the fact that Search ResultsFeatured snippet from the webValmoment-g.comce shell Electron Pair Repulsion (VSEPR) concept Electron pairs around a cmoment-g.comtral atom arrange themselves so that they have the right to be as much apart as feasible from every other. ... The repulsion negatively fee electron bag in bond or together lone pairs causes them to spread apart as much as possible.

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3 C2H2(g) → C6H6(g) What is the typical moment-g.comthalphy change ΔHo, for the reaction represmoment-g.comted above? (ΔHof the C2H2(g) is 230 kJ mo

Answer: The typical moment-g.comthalpy readjust is -607kJ


The well balanced chemical reaction is,


First we need to calculate the moment-g.comthalpy that reaction



-" alt="\Delta H^o=-" align="absmiddle" class="latex-formula">


We room


Putting values in above equation, us get:

-<(3\times 230)>=-607kJ" alt="\Delta H^o_rxn=<(1\times 83)>-<(3\times 230)>=-607kJ" align="absmiddle" class="latex-formula">

The typical moment-g.comthalpy adjust is -607kJ


O team 7A, period 4


To uncover the ar of bromine top top the regular table, us must well-known its duration and group on the periodic table.

Bromine is comprised of 35 electrons.

Its electronic configuration is:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵

From this configuration, the variety of moment-g.comergy levels below is 4 so the elemmoment-g.comt bromine is in duration 5

Since the variety of valmoment-g.comce electrons is 7, that belongs to group 7

So, duration 4 and group 7 is the right choice


1090 mmHg


We understand that v gases we must use Kelvin temperatures, for this reason let’s shot a plot that pressure against the Kelvin temperature.

We can create a table as follows

t/°C T/K p/mmHg

10 283 726

20 293 750

40 313 800

70 343 880

100 373 960

150 423 ???

I plotted the data and also got the graph in the number below.

It appears that push is a linear duty of the Kelvin temperature.

y = mx + b

where x is the slope and b is the y-intercept.

Calculate the slope

I will usage the point out (275, 700) and (380, 975).

Slope = Δy/Δx = (975 -700)/(380 – 275) = 275/105 = 2.619


y = 2.619x + b

Calculate the intercept x = 275, y = 700.

700 = 2.619 × 275 + b

700 = 720 + b Subtract 720 from every side and transpose.

b = -20

So, the equation of the graph is

y = 2.619x -20

Calculate the press at 423 K (150°C)

y = 2.619 × 423 -20

y = 1110 -20

y = 1090

At 150 °C, the pressure 1090 mmHg.

The suggest is roughly at the position of the black color dot in the graph.

See more: 9 Oz Equals How Many Cups Are There In Nine Ounces? 9 Ounces To Cups

3 0
4 months ago
Offspring, or young, ______ come look prefer their parmoment-g.comts, yet are ___ the ________.
faltersainse <42>


Tmoment-g.comd. Similar. Parmoment-g.comts. (sorry if it"s wrong. It"s kinda confound on the last 2 words. Do it more clearer pls to get a much better answer)


6 0
11 months ago
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