Identify A, X, and Y in the unknown compounds AB and XY. If a substance cannot be classified as A, X, or Y, classify it as "Neither A, X, nor Y." Put the appropriate items.. Cu2+
SO4-2
Ba2+
NH4+
PO4 3-
Mg2+
Na+
Oh-
CO3 2-
A X Y Neither A, X, nor Y

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4