Use a Hess cycle to calculate ∆rHƟ for the following reaction using the data provided: NH3(g) + HCl(g) → NH4Cl(s)

substance NH3(g) HCl(g) NH4Cl(s)

∆fHƟ/kJmol-1 -46 -93 -314

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy