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When the weather is clear, air temperature in a dry region can have a significant change in temperature between night and day. In contrast, the water in a pond remains at a relatively consistent temperature even though the air temperature changes drastically. This is especially important for fish and other organisms that live in the pond. Use your knowledge of specific heat, heat energy, and heat transfer to why the air temperature changes greatly, but the water temperature remains essentially constant.
Which of the following has the smallest mass?
What are the primary uses of the 3 products mentioned? 2.) What are the ACTIVE ingredients?
Calculate the osmotic pressure of a 20% sucrose solution given that the molecular weight of sucrose is 342g.
A 0.2088g sample of an unknown monprotic acid is titrated with 22.10 ml of 0.1000 mol/L KOH. The pH of the solution after the addition of 22.10 ml of base is 5.02. What is the Ka for the acid?
Decide whether to use acetic acid/acetate or formic acid/formate. Prepare .100 L of a pH 3.74 buffer with a total buffer strength of 0.100 M Calculate the volumes of acid and base necessary to make each buffer.
Question- The concentration of a HCl solution is 6.32 M. What conversion factor should you use to find the number of moles of HCl present in 10 L of this solution
Neglect overpotential and determine the minimum potential required to electrolyze molten CuCl2. 1---Select---0.80 V1.1 V1.4 V1.7 V2.0 V2.3 V
What is the expected pH of this solution. Estimate the free carbonate ion concentration in this solution. Estimate the concentration of carbonic acid in solution.
Find emperical formula 0.25 mal of Iron atoms combined with 0.33 mal of O atoms. Find emperical formula
Sunflower oil contains 0.070 mol palmitic acid (C16H32O2)/mol, 0.060 mol stearic acid (C18H36O2)/mol, 0.29 mol oleic acid (C18H34O2)/mol, and 0.58 mol linoleic acid (C18H32O2)/mol. To create margarine from sunflower oil, the liquid oleic and linol..
calculate the amount of heat in joules (q) required to affect this temperature change and the total change in internal energy, ?U. Note that some books use ?E as the symbol for internal energy instead of ?U.
An acidic aqueous solution of AlBr3 is in an electrolytic cell. What reactions take place at the anode and the cathode.
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