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hannacanna
Group Title
I need help!!!!
PLEASE!
43. If a gas has a volume of 1 L at a pressure of 270 kPa, what volume will it have when the pressure is increased to 540 kPa? Assume the temperature and number of particles are constant. (1 point)
 one year ago
 one year ago
hannacanna Group Title
I need help!!!! PLEASE! 43. If a gas has a volume of 1 L at a pressure of 270 kPa, what volume will it have when the pressure is increased to 540 kPa? Assume the temperature and number of particles are constant. (1 point)
 one year ago
 one year ago

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itsmylife Group TitleBest ResponseYou've already chosen the best response.1
use \[PV= n RT\]
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
I don't know how to use that. :(
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
or you can say \[\Delta P V=nRT\]
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
I don't even know what this is :/
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
alright holda
 one year ago

Hannalynn11 Group TitleBest ResponseYou've already chosen the best response.1
P1= 270kPa V1= 1L P2=540kPa V2=? use boyles law P1V1=P2V2 V2=P1 V1/P2 V2=270 * 1/ 540 V2= 0.5L that's the answer
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
thank you so much Hannah! Cause I had no idea how to do that! Can you help me with something else??
 one year ago

Hannalynn11 Group TitleBest ResponseYou've already chosen the best response.1
you're welcome.And sure!
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
\[P _{1}V _{1}=P_{2}V _{2}\] use this
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
Okay Hannah, I have this one How many grams of O2 are in 5.0 moles of the oxygen gas?
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
because number of moles, R and temperature is constant
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
Sodium reacts with chlorine gas to form sodium chloride. Write a balanced chemical equation for the reaction, and find the mass of chlorine gas that will react with 96.6 g of sodium. (3 points)
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
\[W=n* M=5*16=80g\] 80 gm of oxygen
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
Oh thanks!!!
 one year ago

Hannalynn11 Group TitleBest ResponseYou've already chosen the best response.1
For the first one, you need atomic mass of O2. Take the # of moles and multiply by atomic mass. Divide by 1mole for units to cancel. 2.00moles O2 * (32.0 grams)= 64.0 grams of O2. Im sure that's how to do it
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
oh wait, its 5 * 32 = 150 gms
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
its just number of moles* molar mass
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
Okay which one are we on again? I'm confused.
 one year ago

hannacanna Group TitleBest ResponseYou've already chosen the best response.0
Are we talking about this one? Sodium reacts with chlorine gas to form sodium chloride. Write a balanced chemical equation for the reaction, and find the mass of chlorine gas that will react with 96.6 g of sodium. (3 points)
 one year ago

itsmylife Group TitleBest ResponseYou've already chosen the best response.1
mine solution was to find weight of oxygen
 one year ago
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