Silver metal reacts with sulfur to form silver sulfide according to the following reaction: 2Ag (s) + S(s)
S(s) Ag2S (s)
What is the amount in g of the excess reactant expected to remain after the reaction?
0 2.31 g
0 1.2
03.06
O 2.57 g​

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20