Asample of gas has a volume of 200 ml at the pressure of 700 mm hg. what will be it’s pressure if its volume is reduced to 100 ml?

The clouds are grey and ground is wet. a quantitative b qualitative

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)