Calculate the equilibrium concentration of Ag+(aq ) in a solution that is initially 0.140 M AgNO3 and 0.890 M NH3, and in which the following reaction takes place: Ag+ (aq) + 2NH3(aq) [Ag(NH3)2]^+ (aq)
(Kf = 1.70x10^7)

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

This drawing shows a human body system. what is the primary function of this body system?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils