Gold has a specific heat of 129 J/kg°C. How many joules of heat energy are required
to raise the temperature of 0.015 kilograms of gold from 22°C to 85°C?
144

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

The ozone hole appears in antarctica during

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?