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Chemistry 20 Online
OpenStudy (anonymous):

Complete the table.

OpenStudy (anonymous):

OpenStudy (rushwr):

What are your answers?

OpenStudy (anonymous):

there are no answers. i have to input them myself

OpenStudy (anonymous):

basically a fill in the blank

OpenStudy (rushwr):

Do you know how to fill this ? If so tell me the answers you've got ?/////////////

OpenStudy (anonymous):

well i thought i had to convert the 273.0 K to Fahrenheit and I got 31.73

OpenStudy (anonymous):

but that was not the answer

OpenStudy (rushwr):

That's not the answer ! I'll give you few equation it will be easy for you.

OpenStudy (rushwr):

\[\Theta _{f} =\frac{ 9 }{ 5 } \Theta _{c} + 32\] \[\Theta _{f}\] Is the temperature in Fahrenheit \[\Theta _{c}\] Is the temperature in Celcius

OpenStudy (rushwr):

So you can use this equation to convert Fahrenheit to Celsius or vice versa

OpenStudy (rushwr):

\[T = \Theta _{_{c}} + 273.15\] Where T is temperature in Kelvin and \[\Theta _{_{ c}}\] Is temperature in Celsius As to what I know there is no direct equation to convert Kelvin in to Fahrenheit. But you can find the Celsius value and go from that to find the Fahrenheit value.

OpenStudy (anonymous):

so i should find Celsius first? So like it would be 9/5(0.0)=32?

OpenStudy (anonymous):

or 0.0+273.15

OpenStudy (rushwr):

It's like this take the first row of your example. They have given you the Kelvin and the Celsius value and you have to find the Fahrenheit value, so there you are given with the Celsius value you just have to substitute the values and get the answer. But in the last part they have given Kelvin value, there you can't directly find the fahrenheit answer so there you need to convert Kelvin in to Celsius first and plug in the Celsius value to the above given equation.

OpenStudy (rushwr):

Do you get it now?

OpenStudy (anonymous):

mm kinda confused about where the numbers have to go to

OpenStudy (rushwr):

okai let me take the first example. You are given with the Kelvin and the Celsius value yeah ? And you have to find the Fahrenheit value. right?

OpenStudy (anonymous):

yes correct

OpenStudy (rushwr):

I gave you 2 equations. 1) The relationship between Celsius and Fahrenheit 2) The relationship between Celsius and Kelvin. I have not given a relationship between Fahrenheit and Kelvin. You obviously have to go with ONLY those 2 equations. Since you know the Celsius value you have to go with the 1st equation I gave you. Clear?

OpenStudy (anonymous):

Clear!

OpenStudy (anonymous):

ahh i see

OpenStudy (anonymous):

32 huh??

OpenStudy (rushwr):

yes

OpenStudy (anonymous):

than for the second row i would use the second equation that you gave me?

OpenStudy (rushwr):

You have to use both.

OpenStudy (rushwr):

You are given with the Fahrenheit value and have to find the Celsius and Kelvin values. Since there is no direct relationship between kelvin and Fahrenheit you need to find the Celsius value first using the first equation. Then use the second equation by plugging in the value obtained using the first equation to get the Kelvin value. Clear?

OpenStudy (anonymous):

yes i think what i did was correct. Since for the second row i had F, i did -35*9 divided by 5 and adding 32. Is that correct?

OpenStudy (rushwr):

no no no

OpenStudy (rushwr):

The equation says Fahrenheit value = 9/5 Celsius value + 32 So Subject Celsius value Celsius value = Fahrenheit value - 32 * 5/9

OpenStudy (rushwr):

do you get it now ? Always read what it means by the symbols.

OpenStudy (rushwr):

?

OpenStudy (anonymous):

yes i think i do get it now. I just have to be careful with the numbers

OpenStudy (anonymous):

YAAAY I DID GET IT HAHA TY

OpenStudy (rushwr):

np... CLick on the blue color best response button to medal me :)

OpenStudy (anonymous):

just a quick question how do i go from Kelvin to the other ones?

OpenStudy (rushwr):

Okai sorry.... I was distracted. Turn kelvin to celsius and then from celsius turn it in to fahrenheits.

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