An aluminum block with a temperature of 300oc is placed into 200 milliliters of water with a temperature of 20oc. which statement best describes what will be observed in this experiment?
group of answer choices

heat will flow from the metal to the water until both are at the temperature of the container.

heat will flow from the metal to the water until both are 300oc.

heat will flow from the metal to the water until both are 20oc.

heat will flow from the metal to the water until both are at a temperature somewhere between 20oc and 300oc.

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

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The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.