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3 years ago

Please please help :(

Chemistry

1 answer:

Bad White [126]3 years ago

7 0

Answer: ¹²₅C

Explanation:

¹²₅C is incorrect. The superscript is the atomic mass. This varies between each element. The subscript is the atomic number. This doesn't change. You will see every element has the correct atomic atomic number except for Carbon. Carbon should have atomic number 6.

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Reaction is

-Dominant- [34]

According to the task, you are proveded with patial pressure of CO2 and graphite, and here is complete solution for the task :
At first you have to find n1 =moles of CO2 and n2 which are moles of C
<span>The you go :
</span> $CO2(g) + C(s) \ \textless \ =\ \textgreater \ 2CO(g)$

n1 n2 0
-x -x +2x
$n1-x n2-x 2x Kp=P^2 (CO)/Pco2$
After that you have to use the formula $PV=nRT$
$Kp=(2x)^2/n1-x$
Then you have to solve x, and for that you have to use <span>RT/V
And to find total values:</span> $P(total)=n(total)*R*T/V$
I am absolutely sure that this would be helpful for you.

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3 years ago

Which scientist is credited with developing the first scientific atomic theory?

Greeley [361]

Answer:John Dalton

Explanation:

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3 years ago

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Why is water important?

expeople1 [14]

Answer:

Its a natural resource used around the world

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2 years ago

How many nanoseconds are there in one minute?

umka21 [38]

1 minute equals 6e+10 nanoseconds.
I hope this helped! :>

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3 years ago

Several tomato plants are grown indoors next to a sunny window. The plants receive water and fertilizer and remain on the window

mrs_skeptik [129]

You can see my previous answer to this very same question on brainly.com/question/11374210.

The answer is: option D. Response to environment.

Explanation:

As explained, plants (organisms in general) respond to the stimulus provided by the environment.

Such behavior is named tropism. Tropism may be positive or negative.

When the plant's stem bends toward the window, it is showing positive phototropism, which means that the plant growth response to light such that the stems bend toward light, permiting the leaves to receive more light.

I also mention that while the plant's stems posses positive phototropism they posses negative gravitropism and the roots posses positive gravitropism.

Gravitropism is the response of the plant growth to gravity.

Stems grow away from gravity meaning that this is negative gravitropism, but roots grow toward gravity which is positive gravitropism

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2 years ago