Is the equation below endothermic or exothermic?
2C3H7OH(l) + 9O2(g) 6CO2(g) + 8H2O(g) +1260 kJ

What is the equilibrium constant of aa+bb=cc+dd

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.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?