Plz fast number 1: two scientists are debating how to classify a new animal species that they have discovered. they observe that the animal is capable of producing sperm. a. this animal produces offspring that are genetically different from itself. b. this animal produces offspring that are genetically identical to itself. c. this animal’s sperm will join with spores to produce offspring. d. this animal’s sperm will undergo binary fission to produce offspring. number 2: a scientist is studying two types of worms. worm x has dna identical to its parent. worm y has a combination of dna from two parents. the scientist determines that one of the worms has a survival advantage over the other worm. a. worm x reproduces asexually, which gives it genetic variation. b. worm y reproduces sexually, which gives it genetic variation. c. worm y reproduces asexually, which gives it more dna. d. worm x reproduces sexually, which gives it more dna.

Straightforward questions answered in the powerpoint slidesreaction: heating the starting materials under refluxwhat does it mean to heat under reflux? why do we choose water as the reflux solvent? what are boiling chips used for? why do we put a condenser on top of the reaction? why do we add heat and let the reaction stir for 30 minutes? why do we add sulfuric acid to the reaction after it cools as opposed to when it’s still hot? separation: filtration of precipitatewhy don’t we do an aqueous and organic extraction in the separatory funnel? why do you rinse the salicylic acid on the filter with ice cold water? purification: recrystallization of salicylic acid (no hot filtration needed)what is the difference in the amount of room temperature water vs. boiling water needed to dissolve the salicylic acid (assume a 1.2 gram yield of salicylic acid)? remember, in the lab if you need x ml of boiling water to dissolve a solid, then you should add a little more (definitely no more than 1.5 times the theoretical amount) to ensure it doesn’t recrystallize prematurely.analysis: melting point of salicylic acidwhat can you conclude if the melting point of the salicylic acid you just synthesized is 152-155oc and the 1: 1 mix of your product and “synthetic” salicylic acid is 151-154oc?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 ? nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.