What is the enthalpy change in the following question : CH4(g) + 2O2(g) + CO2(g) + 2H20 (g) O- o=c=0​

What is avogadro’s number, and why is it useful

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds