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How many hydrogen atoms are in an unbranched alkene with one double bond and 3 Carbon atoms?
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 15 ?C? [Ksp (15 ?C) = 2.0 x 10-10]
Many household cleaning products contain oxalic acid, H2X2O4 , a diprotic acid with the following dissociation constants: , . Calculate the equilibrium concentration of C2O4^2- in a 0.20M solution of oxalic acid.
Why is it difficult to construct a Lewis Dot structure for the molecule NO? What kind of molecule is this
After about five minutes of mixing, the final temperature of the solution inside the calorimeter reached 37 C. Calculate the heat capacity of the calorimeter (J/C - joules per degree).
Give three reasons why spectrophotometric analyses are performed using a narrow wavelength band centered at ? max. Give the purpose of the following commands:
A solution transmittance is 35% at 260nm. what will be solution absorbance if you dilute 25.0 mL of the solution to 50.0mM
When 0.583 g of neon is added to an 800cm^3 bulb containing a sample of argon, the total pressure of the gases is found to be 1.17 atm. at a temperature of 295 Kelvin. Find the mass of the argon in the bulb.
If (initially) 0.22 mol of Br2 and 0.22 mol Cl2 are introduced into a 1.0 L container at 400. K, what will be the equilibrium concentration of BrCl? Assume the initial product concentration is zero.
A solution contains a mixture of Cl- and Br- ions. Can both be positively identified? Briefly explain. Write appropriate equations to support your answer.
If 1.500 g of a solute having a molar mass of 125.0 g were dissolved in 35.00g of camphor, what would be the resulting freezing point of the solution.
Carryout the following conversions. Report your answer to the correct number of significant figures
diamond powder (C) and BaCO3, separates the mixtures and recovers 1.75g sugar, 0.86g diamond powder and 2.29g BaCO3(s). Calculate the percent recovery and percent composition if the initial mixture they started with weighted 5.08g
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