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A certain reaction has ?H equal to 11.57 kJ/mol. This reaction is normally run at room temperature (25?C). At what new temperature should the reaction be run so that K is twice its value at 25?C?
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A mixture consisting of powdered granite and sugar. Water is added and the mixture is stirred then filtered. What is presented on the filter paper? What is present in the filtrate(the liquid obtained in the filtration)? ...
1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
How many molecules of butane (C4H10) are contained in a 9.213 g sample? How many hydrogen atoms are contained in this sample?
What is an example of a specific transition metal solution, including the oxidation state of the transition metal, and the color of the solution, and the complex ion that the transition metal forms in that solution if ap ...
This experiment involves collecting data for the cooling of water between 175 o -160. o F in different containers. What is 175 o F in celsius? Please report your answer correctly to three significant digits.
1-Write balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of nickel(II) iodide and potassium c ...
An inorganic chemist studying the reactions of phosphorus halidesmixes 0.1050 mol of PCl5with 0.0420 mol of Cl2 and0.0420 mol of PCl3 in a0.5000 L flask at 250°C. PCl5(g) reversible reaction arrowPCl3(g) + Cl2(g)Kc = 4.2 ...
A chemistry lab experiment requires 67.4 grams of silvernitrate. How many grams of a 15.5% by mass solution of silvernitrate should be used?
22.8 g of an unknown molecular solute is dissolved in 4.28 moles of 1,2-ethanediol (C2H6O2), causing the freezing point of 1,2-ethanediol to decrease by 1.08 °C. Calculate the molar mass of the solute. For 1,2-ethanediol ...
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