Chemistry, 28.06.2019 18:10, winterblanco
Two aqueous sulfuric solutions containing 20.0 wt % h, sos (sg 1.139) and 60wt % h, so , ( sg 1.498) are mixed to form a 4.0 molar solution (sg 1.213) a. calculate the mass fraction of sulfuric acid in the product solution b. taking 200 kg of the 20 % feed solution as a basis, draw and label a flowchart of this process, labeling both masses and volumes. do degree of freedom analysis: c. viii, how many unknowns? ix. how many balances can be subtracted? x. how many specific gravities can be subtracted? xi. what is the result? d. calculate the feed ratio (liters 20% solution/liter 60 % solution) what feed rate of the 60% solution (l/h) would be required to produce 2000 kg/h of e. the product
Answers: 1
Chemistry, 22.06.2019 07:30, SchoolFirst9811
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 18:30, TaraC
Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes
Answers: 1
Chemistry, 22.06.2019 19:50, VoidedAngel
When the mercury level in a barometer decreases that atmospheric pressure has
Answers: 3
Two aqueous sulfuric solutions containing 20.0 wt % h, sos (sg 1.139) and 60wt % h, so , ( sg 1.498)...
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