calorimetry?

0 ⤊

q= - [(mcT)+(Ccal x T)]

what is the meaning of the negative sign?

2007-12-30 22:40:45 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

The amount inside the brackets [ ...] is the amount of heat your system exports to the surroundings. But q is defined as heat added to your system, which is the opposite. That's why you need a negative sign.

2007-12-31 01:06:34 · answer #1 · answered by Facts Matter 7 · 0⤊ 0⤋

that q equals the negative value of the equation

2007-12-30 22:44:16 · answer #2 · answered by some a-hole 2 · 0⤊ 1⤋