Which example shows electrical energy being transformed into heat energy? a) burning a wax candle b) a small toaster oven toasts a bagel c) rubbing two sticks together d) sunlight heating a metal door

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally