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problems on Isotonic solution, Ethanol & STP.
1. Why is it significant that dialyzing solution be isotonic with blood?
2. A bottle of 180 proof alcohol is 90% ethanol and 10% water. What is the solvent in this solution?
3. describe STP
How did Rutherford interpret the following observations made during his a-particle scattering experiments? (a) Most a particles were not appreciably deflected as they passed through the gold foil. (b) A few a particles w ...
When 100ml of M/10 H 2 SO 4 is mixed with 500ml of M/10 NAOH then nature or resulting solution and normality of excess of reactant left is
1. Consider the reactants of the reaction equation for the formation of the nitronium ion. What two conditions would result in the most active nitrating mixture? Hint: Consider Le Chatelier's Principle 2. Why are powerfu ...
Question: A solid block of exactly 100.0 cm^3 cubed has a mass of 153.6g. Determine its density.Will the block sink or float on water.
1. Literature interpretation. (a) Find an article in the popular literature (e.g., newspaper, web, magazine, etc.) concerning some aspect of water chemistry that interests you. (b) Read and dissect the article. Take note ...
Lab: ISOLATION OF A NATURAL PRODUCT BY STEAM DISTILLATION Procedure Weigh approximately 5.0 g of spice into a 250 mL round bottom flask and add 150 mL of water. Assemble a simple distillation apparatus. Careful heating i ...
1. Using the balanced equation for fermentation answer the following question. C 6 H 12 O 6 ( aq ) → 2 C 2 H 6 O( aq ) + 2 CO 2 ( g ) glucose ethanol How many grams of ethanol are formed from 0.50 mol of gl ...
Part 1: the Chemistry and qualitative analysis of cations: group I 1. Propose a separate Ag + from solution containing Fe 2+ and Sn 4+ 2. Use le Chatlier's principle to predict what will happen S2in the following equatio ...
Dolomite is a mineral consisting of calcium carbonate and magnesium carbonate. When dolomite is strongly heated, its carbonates decompose to their oxides (CaO and MgO) and carbon dioxide is expelled. (a) Write separate e ...
Identifying of an Unknown Substance Introduction: Elements and compounds are pure substances. A compound consists of two or more elements that are chemically bonded in definite proportion. Based on the constituent elemen ...
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