Ammonia gas decomposes according to the equation: 2NH3(g) → N2(g) + 3H2(g)

If 15,000 mL of nitrogen gas is formed at 760 mmHg and 25oC, how many liters of hydrogen will be produced?
a. 15.0 L
b. 45.0 L
c. 30.0 L
d. 90.0 L
e. not enough information

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

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.

In apex! a liquid heated beyond a certain temperature becomes