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What is the basic principle of heat transfer applied to obtain the calorimeter heat capacity and heat of neutralization?
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.700 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.89? Kb for ammonia is 1.8*10^-5. mass of NH4Cl
what is the molar concentrations for those two. The solution volumes are additive. Thank you so much I can't figure this out and I've been looking at it for 2 hours. I need it for my lab report.
The solubility of phenanthrene in methanol is 0.133M. How many grams of Phenanthrene do i need to make 10ml solution
A bottle of concentrated sulfuric acid is labeled as 96 wt% (m/m) h2so4. The solution has a concentration of 18.0 M. a. What is the volume of the 18.0 M solution that is needed to make a 1.00 L solution that is 1.00 M H2So4
a sample of neon to escape from a hole in a container, how long would it take for an equal amount of nitrogen gas, N2, to escape
Write a balanced net ionic equation and describe one of the ways for which Cd2+ will interfere with the determination of copper.
A mixture of gases contains 10.30g of N2 , 1.79g of H2 , and 8.15g of NH3. The total pressure of the mixture is 1.95 atm. What is the partial pressure of N2
Nitrogen trichloride, an unstable liquid, is placed in a 3.00 L container at 29ºC. The initial pressure in the flask is 1.00 atm due to the presence of air.
when monitoring the reaction between benzene and 2-chloro-2-methyl-propane using febr3 as the catalyst researchers
HClO is a weak acid (Ka = 4.0 x 10^-8) and so salt NaClO acts as a weak base. What is the pH of a solution that is 0.020 M in NaClO
The Ksp of barium carbonate (BaCO3) is 5.0*10^-9 at 25.0 C. If a 20.0 mL sample of 0.1 M Ba(NO3)2 is added to 50.0 mL of 0.1 M Na2CO3.
What is the lead ion concentration in a saturated lead(II)chloride solution made by adding solid PbCl2
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