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how many of the following combination of reactants would result in a chemical reaction being observed? Aditition of liquid bromine to an aqueous solution of NaCl Aditition of liquid bromine to an aqueous solution of NaI Bubbling chlorine gas through a solution of KF Adding solid iodine crystals to an aqueous solution of KBr
An experiment requires 44.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
How much heat is evolved when 233 g of ammonia gas condenses to a liquid at its boiling point?
Write a net Ionic equation for the reaction that takes place when aq barium chloride soln reacts with an aq soln of potassium phosphate.
Which of the following factors increase the likelihood that a reaction will be spontaneous? 1. Energy is released in the form of heat. 2. A liquid is generated from a solid
Solid lead (I) sulfide reacts with aqueous hydrochloric acid to form solid lead (II) chloride and dihydrogen sulfide gas.
How much heat is evolved when 3ll.5g of ammonia (NH3) gas condenses to a liquid at its boiling point? ^Hvap= 23.3 kj/mol.
for a reaction with a rate law: rate = k[A]2[B], doubling the concerntration of A and tripling the concerntration of B will cause the rate to
A compound contains only nitrogen and hydrogen and is 87.4% nitrogen by mass. A gaseous sample of the compound has a density of 0.925 g/L at 690 torr and 110 C.
What mass of AgBr would precipitate from this mixture? [Hint: Ksp of AgBr = 5.4*10^-13 and Kf of Ag(CN)2 is 1.0*10^21]
For SN1 solvolysis of t-butyl chloride, rank the solvents from fastest reaction to slowest reaction.acetone, ethanol, methanol, water, formic acid, and acetic acid
Before the reaction, the volume of hte system was 6.60L. After the reaction, the volume of the system was 2.00L. Calculate the total internal energy change, Delta U, in kilojoules
With reference to relevant clinical analytes, discuss the use of immunoassay within clinical biochemistry.
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