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Does anyone else do this?

asked Mar 6, 2021

Arts
high-school

2 answers

1 vote

84.9k views

Given these reactions, X ( s ) + 1 2 O 2 ( g ) ⟶ XO ( s ) Δ H = − 551.1 k J / m o l XCO 3 ( s ) ⟶ XO ( s ) + CO 2 ( g ) Δ H = + 258.9 k J / m o l X(s)+12O2(g)⟶XO(s)ΔH=−551.1 kJ/molXCO3(s)⟶XO(s)+CO2(g)ΔH=+258.

asked Feb 25, 2021

Chemistry
high-school

1 answer

0 votes

81.4k views

History help,, pls help me match

asked Feb 6, 2020

History
middle-school

1 answer

3 votes

149k views

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