The gas inside a 42.5 mL piston has a temperature of 21° C. If the temperature is lowered to -21° C what is the new volume of the gas? Show all your work

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

What will most likely happen when two bromine atoms bond together?

Which characteristics can be used to differentiate star systems? check all that apply.