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-   -   Science Question help xD; (http://www.fiestafan.com/forums/showthread.php?t=26521)

cillia 04-27-2010 04:24 AM

Science Question help xD;
 
probably easy as pie for everyone here :x i fail at science Dx i tried it over and over again and i keep getting confusedd

Ca(OH)2 + HNO3 → CA(NO3)2 + H2O

;A; why do subscripts not show up on here...
er all #s there are subscripts xD;

Hessah 04-27-2010 04:32 AM

you can see that you've got 2x (NO3) on the right..

so you'll need to make two lots of NO3 on the left..

Ca(OH)2 + 2HNO3 → CA(NO3)2 + H2O

now you have 4x H on the left (Ca(OH)2 + 2HNO3)

So you need 4H on the other side..

Ca(OH)2 + 2HNO3 → CA(NO3)2 + 2H2O

everything else now balances..

I'm not sure if that's the correct way to explain it though...

Belaslav 04-27-2010 04:34 AM

Ctrl + = in Microsoft Word by default.

Ralath 04-27-2010 04:34 AM

NOoo Hessah beat me. :(((((

We got the same answer though.

Hessah 04-27-2010 04:35 AM

Is that how you normally work it out?

Blaaaaaaaah 04-27-2010 05:03 AM

I hate chemistry!!!!!!!!!!!!!!!!!!!!!!!!

Hessah 04-27-2010 05:52 AM

I didn't mind chem.. i had that same awesome physics tutor that also taught me chem xD

Ralath 04-27-2010 06:37 AM

I usually just use trial and error.

If I have even and odd numbers, I add a two in front of the odd numbers to make them even and then go from there.

a.L 04-27-2010 11:23 AM

Ew chem

Sparkeh 04-27-2010 12:09 PM

We didn't take that chem part yet. c<

Belaslav 04-27-2010 11:59 PM

Quote:

Originally Posted by Blaaaaaaaah (Post 410851)
I hate chemistry!!!!!!!!!!!!!!!!!!!!!!!!

Quote:

Originally Posted by a.L (Post 410883)
Ew chem

Did you know that if you mix gasoline with styrofoam, you will get napalm? Or that powdered sugar has explosive properties?

It's not just lab coats and endless chemistry formulas...

Hessah 04-28-2010 12:10 AM

I recall that we once did an experiment that stunk up the entire science building.. fun!

I miss high school..

Belaslav 04-28-2010 12:55 AM

Flushing a lit cherry bomb down the toilet at the last day of school... Now THAT'S fun.


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