From the indicated equation Zn +2 HCl → ZnCl2 + H2 if 7.56 moles of HCl are used with Zn, how many moles of the product H2 ZnCl2 would be formed?
A) 15.12 mol
B) 5.20 mol
C) 58 mol
D) 3.78 mol

What is the theoretical yield of carbon dioxide? a)0.993 gb)2.98 gc)3.65 gd)8.93 g

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21

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.