How much heat is absorbed by a 67g iron skillet when its temperature rises from 8c to 94c? joules

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called