What is the correct enthalpy diagram using the hess law for this system?

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)