Areaction require 1 mole of a gas at stp. you have 45.0l of a gas at 100kpa and 373k. which of the following statements is true? use the formula: pv=nrt where the gas is constant is 8.31 kpa/mol-k a) you will have an excess of gas and the reaction will occur. b) you do not have enough gas for the reaction to occur. c) you cannot tell this given information. d) you will have too much gas and so the reaction will not occur.

Using the periodic table, complete the table to describe each atom. type in your answers

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)