If we add mass to a paper airplane then the distance of the plane flies will increase or decrease why?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

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Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?