3g of aluminum foil is heated in an oven from 20ᵒC to 262ᵒC with the addition of 1728 J of heat. What is the specific heat of aluminum? Help with explanation please

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom