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Question: Why does it take a temperature of almost, 800 degrees C to melt NaCl, but stirring in water at room temperature will also effect a break-up of the lattice?
the rate constant for a certain reaction is 8.60times10-3 . if the initial reactant concentration was 0.850 what will
Consider the monobromination of 4-ethylheptane using Br2 and UV light. How many unique alkyl halide products could be formed during this reaction
How many molecules of triclosan are in a tube of toothpaste?
What is the function of the sodium thiosulfate in studying the kinetics of the hydrogen peroxide-iodide reaction?
draw the molecule by placing atoms on the grid and connecting them with bonds. include all lone pairs of electrons and
The molar heat of fusion of water is 6.01 kj/mol. How much heat energy is required to melt one ice cube in a soft drink to form liquid water a 0 degree celcius, if the ice cube has a mass of 18.9 g?
What is the freezing point of a 28.6% (by mass) aqueous solution of HCl? Assume the HCl is 100% ionized.
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa).
How many grams of Na3PO4 is needed to produce 575mL of a solution that has a concentration of Na+ ions of 1.50M?
Explain how chymotrypsin combine different modes of catalysis( acid/base and covalent chemistry; proximity effects and transition state binding/stabalization) to acheive the rate enhancement observed for enzyme catalyzed reactions.
What is the pH of a buffer solution prepared from 5.15g of NH4NO3 and 0.10L of 0.15M NH3? What is the new pH if the solution is diluted with pure water to a volume of 500mL
Given the following informationp redict whether or not the hypothetical ionic compound AX is likely to form. In this compound, A forms the A+ cation, and X forms the X?anion. Be sure to justify your answer.
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