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What is the final concentration of NaCl when 200.0 mL of a 0.250 mol/L NaCl solution is added to 400.0 mL of a 0.100 mol/L NaCl solution?
Determine which of the following kinds of light contain enough energy to break chemical bonds in biological molecules by calculating the total energy in 1 mol of photons for light of each wavelength.
The number of moles in 15.39 g of C2H6O (molar mass =46.1 g/mol) is ,You transfer a sample of gas at 17 degrees C from a volume of 4.71 L and 1.10 atm to a container at 37 degrees C.
Suggest a simple chemical test that would distinguish between the following compounds. State what you would see: a) n-pentane and 1-pentene
Why do ionic substances with higher lattice energies tend to be less soluable in water than those with lower lattice energies, and what factors cause a cation to be strongly hydrated
dry-cleaning solvent molecular weight 146.99 gmol that contains c h and cl is suspected to be a cancer-causing agent.
Demonstrate how you could prepare each of the following compounds from Propane and any necessary organic or inorganic reagents.
Determine the concentration of mixed unknowns in a spectrophotometric determination of food dyes
Problem- Using the data below determines the ksp of CaOH2. Please explain you work. Also please explain how this is so far off from the accepted ksp of CaOH2
How many grams of barium sulfate are produced if 25.34mL of 0.1133 M BaCl2 completely react given the reaction. BaCl2(aq)+Na2SO4-BaSO4(s)+2NaCl(aq)
At 0.0 degrees C, if the volume of air is 1.5 mL and the pressure of the atmosphere that day is 685 mmHg, what is the number of moles of air?
Calculate the concentrations of all species in a 1.44 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
how many liters of hydrogen are obtained from the reaction of 4 g calcium with excess water, at 37 Celsius and 0.962 atm?
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