A mixture of 1-heptyne, 2-heptyne, and 3-heptyne was hydrogenated in the presence of a palladium catalyst until hydrogen uptake stopped. If one assumes that the hydrogenation went to completion for all the reactants present in the mixture, how many distinct seven-carbon isomers were produced?.

Analyze the analogy and read the information below it. fish : fin : : bird : wing if you were reading this aloud, you would say, "fish is to fin as bird is to wing." this analogy uses parts of an animal to relate to the whole animal. much like how a fin a fish move, so does a wing a bird move. which analogy also uses parts to relate to the whole? sky : blue : : dirt : brown flower : petal : : tree : leaf car : road : : boat : water food : sandwich : : sport : softball

Feedback is given with little or no reservation 1.supportive 2.high-monitoring 3.positive 4.low-monitoring ?

When your working with the passage-based reading questions on the psat do all of the following except. a)make sure you read each question throughly. b) try to answer each question before you look at the answers. c) plan to spend most of your time reading the passage. d) make sure your answer choice is the most correct number me