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Which substance meets the requirements: crsytalline solid; brittle; poor electrical conductor in the solid state; good conductor in liquid phase; melts at high temperature?
a. MgCl2b. Wc. Pd. Si
using a sample having 1.50ml of nitroglycerinng that has density1.592gml then calculate how many total moles of gas are
Still on Le Chatelier's principle, Ketones are known to be less reactive in aldol condensations.
why is anhydrous sodium sulfate added to the organic solution remaining after the extractions with 6 M HCL and 6 M NaOH
which of these solutions has the lowest freezing point?a. 0.25 m naclb. 0.5 m naclc. 1.5 m nacld. 2.0 m
he generated the hydrogen gas needed to lift the balloon by mixing a large amount of iron with aqueous sulfuric acid. if he used 1000 lbs. of iron and excess sulfuric acid, how many liters of hydrogen gas were made?
what is the pH of a solution that results from adding 0.043 mol Sr(OH)2 (s) to 1.31 L of a buffer comprised of 0.27 M benzoic acid, C6H5COOH and 0.27 M sodium benzoate, C6H5COONa?
Which of the following aqueous solutions produces the largest concentration of toal ions and what is the total concentration of ions. A) 1.5 m sodium sulfate B) 1.5 m magnesium sulfate C) 2.0 m lithium perchlorate D) 1.0 m magnesium phosphate
what is the value for the standard internal energy of formation for acetyl chloride ch3cocl
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure. ClO4 -
An ester can also be prepared by carrying out an SN2 reaction between a carboxylate ion (RCO2-) and the appropriate alkyl halide (R'-X). Is this approach possible for the synthesis of aspirin. Explain
Calculate the maximum theoretical percent recovery from the recrystallization of 1.00 g of benzoic acid from 15 mL of water, assuming the solution is filtered at 25 degrees C.
Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. Predict the effect (shift right, shift left, or no effect) of the indicated volume change.
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