Choose from the following list of reagents: a b c d RCO3H H2, Lindlar's cat. 1) Hg(OAc)2, EtOH 2) NaBH4 1) NaNH2 2) MeI e f g h 1) H2SO4 2) EtOH 1) NaNH2 2) EtI Na, NH3 1) NaOH 2) MeI i j k l

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.