Chemistry, 01.10.2019 11:30 zafarm2oxgpmx
Asample of sugar (c12h22o11) contains 1.505 × 1023 molecules of sugar. how many moles of sugar are present in the sample?
a. 0.25 mol
b. 0.50 mol
c .1.00 mol
d. 2.50 mol
Answers: 2
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Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?
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Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1
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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.
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Chemistry, 22.06.2019 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
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Asample of sugar (c12h22o11) contains 1.505 × 1023 molecules of sugar. how many moles of sugar are p...
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