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What is the final concentration of (in M) 17.2 mL iron(III) chloride solution with an initial concentration of 0.245 M which is diluted with 16.7 mL of solvent? Assume the volumes are additive.
describe the difference between what the retina does and what the striate cortex does?
calculate the colume of a .200 M NaOH solution needed to neutralize 40.0 mL of .600 M H2SO4 solution.
A beaker contains 0.964 grams of nitrogen. How many moles of molecular nitrogen does the beaker contain?
What mass of natural gas (CH4) must burn to emit 470. kJ of heat? CH4(g) + 2 O2(g) CO2(g) + 2 H2O(g).
Carbon dioxide makes up approximately 0.04% of the Earth's atmosphere. If you collect a 2.0L sample from the atmosphere at sea level (1.00 atm) on a warm day
In the ground state of the Hydrogen atom the energy of the electron is E0 = -13.61 eV. What is the energy of the electron in the ground state of the He+ ion
What is the rate law for the reaction? Please show step by step solution.
A gas occupies a volume of 380. ml at 135 °C? At what temperature will the volume of the gas be equal to 535 ml?
If 0.02 moles of PbCl2 is added to 500 dm3 of a 0.01 M salt water solution, what is the Qs value and will PbCl2 precipitate?Ksp = 1.6 x 10-5.
You dissolve 12.6352 g of potassium iodide in water and bring the volume of solution to 250.0 ml. What is the molar concentration of KI and what volume of 0.0436 molar hydrochloric acid is required to react with 30.0 ml of 0.0278 molar LiOH?
Using extraction techniques how would you separate a mixture of aniline and toluene using dichloromethane as the extraction solvent?
Explain why an object whose color is purple actually absorbs visible light in the green wavelength region.
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