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When X rays of wavelength 0.093 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2 degrees;. What is the distance between the layers of atoms responsible for the diffraction?
For the unbalanced equation Cl2 ++ KI = I2 + KCl - how many moles of the second reactant would be require to react exactly with the 0.275 mole of the first reactant
Determine whether sodium monohydrogen phosphate (Na2HPO4) is neutral, basic, or acidic. First, what is its Ka when it acts as an acid? Second, what is its Kb when it acts as a base?
The volume of NaOH added at the equivalence point was 5.15 mL. Calculate the concentration of the HCl solution
Compute the solubility of silver sulfite, Ag 2 SO 3 in units of grams per liter and complete and balance these given redox equations by the half reactions method (the oxidation reaction and the reduction reaction)
What type of reaction occurs prior to the substitution reaction to form a new good leaving group? And please explain why? a. nothing b. an acid base reaction
If a sample of Al2(SO4)3 is found to contain 863 mol of Al3+ ions how many moles of Al2(SO4)3 formula units are present?
A flask contains 0.180 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
A canister is filled with 320 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty.
Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone) and 2,3-dimethyl 1,3-butadiene by treating with acid.
Explain Threshold / NOEL Levels of Chemical Toxins, What is the maximum average daily consumption(g) of such fish that would keep exposure level below the ADI or RfD for the compound?
A paint company mixes it's paint with water to create more paint per gallon. They currently have ten gallon jugs which contain 10% water.
What mass of Al (26.89 amu) is consumed when 800. kJ of heat are released by the following reaction? 2Al(s) + Fe2O3(s) -> 2Fe(s) + Al2O3(s) deltaH = -850. kJ
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