Compléter les couples acide/base suivants. Im so bad at chemistry can someone help me i have to complete the acid/base couple .../C1-;NHA/...;CH3CH2CH2OH/...;
CH3CH, COOH)...;.../HCOO-
.../02-;.../F-;HBr/...;.../HS;.../N H5

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

What volume would 2.25 moles of ne has occupy at stp?