What material would make the most efficient hot pack? ●Lithium Chloride
●Sodium Chloride
●Sodium Hydroxide
●Potassium Chloride​

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Which sample at stp has the same number of atoms as 18 liters of ne at stp

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver