Chemistry, 03.12.2019 05:31 serehnatyras0808
What is molar mass of a gas if 0.0494g of the gas occupies a vol of 0.153 l at temperature of 26c and a pressure of 0.998 atm?
Answers: 1
Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 2
Chemistry, 22.06.2019 07:30
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.
Answers: 2
Chemistry, 22.06.2019 09:30
Based on its chemical properties, identify the position of each chemical family on the periodic table.
Answers: 3
What is molar mass of a gas if 0.0494g of the gas occupies a vol of 0.153 l at temperature of 26c an...
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