what is the mass of a piece of iron that changes temperature from 95 degrees C to 18.5 degrees C while warming 1.50 liters of water from 2.5 degrees C to 18.5 degrees C

specific heat of iron is .449 J/gK

must use dimensional analysis

i am completely lost on this one.

help me
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Try the Maths and Science thread too. 90% of the Pit are clueless right with you, and the 10% that aren't are probably in there.

[IN PHIL WE TRUST]

Quote by Trowzaa
I only play bots. Bots never abandon me. (´・ω・`)

use google and/or the math and science thread dude, the pit wont help what-so-ever
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Quote by ilikepirates
ilikeyou.

not hated
Use the formula Q = M x Cp x deltaT

So Heat = Mass x Specific Heat x change in temperature

In this problem, you compare the iron to the water using that formula, so it would be

1.50L x 4.184J/calC x (2.5-18.5C) = - M x .449J/calC x (95-18.5C)
I think....
Seventeen.
Quote by Mean Mr Mustard
Use the formula Q = M x Cp x deltaT

So Heat = Mass x Specific Heat x change in temperature

In this problem, you compare the iron to the water using that formula, so it would be

1.50L x 4.184J/calC x (2.5-18.5C) = - M x .449J/calC x (95-18.5C)
I think....

unfortunately im not allowed formulas, i have to use dimensional analysis
everything purple tastes like grape
everything blue tastes like blueberry
everything pink tastes like watermelon
everything red tastes like strawberry
everything orange tastes like orange
everything yellow tastes like lemon
Quote by Mean Mr Mustard
Use the formula Q = M x Cp x deltaT

So Heat = Mass x Specific Heat x change in temperature

In this problem, you compare the iron to the water using that formula, so it would be

1.50L x 4.184J/calC x (2.5-18.5C) = - M x .449J/calC x (95-18.5C)
I think....

"or I could be fucking with you"
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Quote by pwnagegnome
unfortunately im not allowed formulas, i have to use dimensional analysis

I would have suggested that formula. You sir, have been bamboozled.
D-U-F-R-A-I-S

Quote by darkstar2466
WRONG.

The only reason it exists is because drugs get people fucked up, and people love getting fucked up.

So I Wiki'd "dimensional analysis" and now find myself 9000% confused. Good luck fucker!

[IN PHIL WE TRUST]

Quote by Trowzaa
I only play bots. Bots never abandon me. (´・ω・`)

Tell the teacher to **** off. You'll never use this unless you plan on being a chemist of some sort.
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