CHEMISTRY HELP!?

👨🏻‍🏫 學術台化學

[匿名]

2016-08-02 6:25 pm

If a reaction gives off heat, the sign of the value of heat is ________

回答 (1)

wanszeto

2016-08-02 6:27 pm

If a reaction gives off heat, the sign of the value of heat is ___negative___.

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