Which object has particles with the most kinetic energy? A. A crushed aluminum can at room temperature
B. An empty aluminum can sitting in a burning campfire
O C. An open aluminum can left overnight in a freezer
O D. A sealed aluminum can stored in a cooler full of ice

What is the subscript for oxygen in its molecular formula

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.