Calculate the molar enthalpy of formation of 1 mole of PbSO4(s) from its elements, given the following equations: Pb(s) + S(s) → PbS(s) + 94 kJ/mol

PbS(s) + 2O2(g) → PbSO4(s) + 824 kJ/mol

How do you convert 4 mmol of bromobenzene to ml?

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.