Which of the following describe chemical properties? check all that apply
helium is the lightest monatomic element.
mercury is a liquid at room temperature.
water boils at 100 degrees c
antacid tablets neutralize stomach

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.

How many atoms are there in 5.70 mol of mg