Chemistry, 26.03.2021 06:10, viicborella
The standard heat of formation of B2O3(s) is -1263.6 kJ/mol and the standard heat of formation of liquid water is -285.8 kJ/mol. Use the information below to find the standard heat of formation for one mole of B5H9. B5H9(l) + 12 O2(g) 5 B2O3(s) + 9 H2O(l) Horxn = -9036.6 kJ
Answers: 1
Chemistry, 21.06.2019 17:10, ladypink94
Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.
Answers: 2
Chemistry, 22.06.2019 19:50, VoidedAngel
When the mercury level in a barometer decreases that atmospheric pressure has
Answers: 3
Chemistry, 23.06.2019 06:30, tdahna0403
The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is
Answers: 3
The standard heat of formation of B2O3(s) is -1263.6 kJ/mol and the standard heat of formation of li...
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