Propane, the gas used in barbeque grills, is made of
carbon and hydrogen. Will the atoms that make up
propane form covalent bonds? Why or why not?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.