PLZ HELP I WILL GIVE BRIANLEST TO THE BEST ANSWER You decide to build a straw rocket with the goal of launching it as far as possible across your backyard. Prior to building your rocket, you draw a model on paper and describe its appearance. What type of observation is this?

A. Quantitative (quantity)

B. Qualitative (quality)

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.

Which element is least likely to undergo a chemical reaction

What type of context clue you understand the meaning of  quandary?