Why is
C4H8 + 6O2 = 4H2O + 4CO2
a combustion reaction.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Identify two types of chemical bonding in the source of dietary potassium

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false