The specific heat of iron is 450 J/kg*K. How much energy is lost by 2 kg cooling off by 5 K. If anybody knows this answer to this question it would be a real help and I don’t understand how to do the work could u show the work so I understand

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?