Search found 25 matches

by Hanan_Kashkoul_1O
Mon Feb 13, 2017 9:47 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Finding change in volume
Replies: 1
Views: 211

Finding change in volume

Hello, Could someone please explain to me how you would go about solving this question in a step-by-step manner? Thanks so much! "A system undergoes a two-step process. In step 1, it absorbs 50.0 J of heat at a constant volume. In step 2, it releases 5.0 J of heat at 1.00 atm as it is returned ...
by Hanan_Kashkoul_1O
Mon Jan 30, 2017 2:46 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 804783

Re: Post All Chemistry Jokes Here

"Q: Did you hear about the man who got cooled to absolute zero?
A: He's 0K now."
by Hanan_Kashkoul_1O
Mon Nov 21, 2016 6:50 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 804783

Re: Post All Chemistry Jokes Here

Why can I relate.
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by Hanan_Kashkoul_1O
Mon Nov 07, 2016 8:26 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 804783

Re: Post All Chemistry Jokes Here

To everyone who forgot to divide by Avogadro's number on the midterm when converting kJ/mol to J.
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by Hanan_Kashkoul_1O
Mon Oct 24, 2016 6:07 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 804783

Re: Post All Chemistry Jokes Here

Too cute not to share. :)
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by Hanan_Kashkoul_1O
Tue Oct 18, 2016 3:05 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 804783

Re: Post All Chemistry Jokes Here

This is the greatest chemistry joke of all time.

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by Hanan_Kashkoul_1O
Mon Oct 10, 2016 10:19 pm
Forum: Balancing Chemical Reactions
Topic: Diatomic Molecules
Replies: 4
Views: 901

Diatomic Molecules

Hello,

I was doing practice with writing chemical equations, and there was a problem regarding fluorine gas. I got the equation incorrect because I was not aware that fluorine is a diatomic molecule. I was wondering: how do you determine which molecules are diatomic?

Thank you.
by Hanan_Kashkoul_1O
Tue Oct 04, 2016 3:05 pm
Forum: General Science Questions
Topic: Rusty on High School Chem [ENDORSED]
Replies: 113
Views: 35056

Re: Rusty on High School Chem [ENDORSED]

I agree about the helpfulness of Khan Academy -- super helpful and problems are worked out step by step. I have used it a lot.
by Hanan_Kashkoul_1O
Wed Sep 28, 2016 1:22 pm
Forum: Significant Figures
Topic: All students read this sig fig post [ENDORSED]
Replies: 90
Views: 7965

Re: All students read this sig fig post [ENDORSED]

So if we are off by one sig fig, for instance, will the whole problem be counted incorrect?

Thank you!

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