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I have the answer I just need help explaining. I got the reaction I wanted but my O2’s did not cancel like they should.
18. Calculate AHnn for the following reaction: given the following: 4 B(s)+3 02(g) 2 B,03(s) AH- -2543.8 kJ AH -241.8k AH -2032.9 kJ H2g) + 1/2 O2(g) H2(g) B2Ho(g) +3 O2(g) B20,(s) +3 H20(g) a. -752.7 k b. -4030.2 kJ c. -4818.5 kJ d. +35.6 kJ e. +1280.2 kJ 19. What is STP (standard temperature and pressure for gases)? a. 1 atm and 25 °C
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