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What is the spin notation for Plutonium?
Determine the volume of sulfuric acid solution needed to prepare 37.4 g of aluminum sulfate, Al2(SO4)3, by the following reaction 2Al(s)+3H2SO4 (aq)= Al2(SO4)3 (aq) +3H2 (g)
He concluded that electrons are emitted only when intensity of light is increased. He observed a continuous spectrum of light when hydrogen gas was supplied with energy.
Indicate the solubility of the following solutes in 100 g of water
a chemist makes an hbr hydrogen bromide sample and observes that this sample occupies capacity of 279 ml at the
A 0.9161 g sample which contained monoprotic lactic acid, C3H6O3, was dissolved in 75 mL of water and titrated to the equivalence point with 32.25 mL of a 0.1057 M NaOH solution.
C2H5OH (l) + 3O2(g) ---------> 2CO2(g) + 3H2O(l) ?H = - 1.37 x 103 kJ When a 24.8-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat?
Suppose Joule encountered the waterfall at Niagara Falls. Calculate the height if the temperature difference between the top and bottom of the waterfall is 0.20° F.
what is the formula and electron dot structure for
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?
How many moles of carbon monoxide react with 1 mole of oxygen gas according to the balanced chemical equation?
The force to push electrons through a battery comes from (a) the energy levels of the electrolyte (b) the intrinsic work function difference of two different metals (c) from electricity (d) an unknown source of energy
Choose one of the iron-sulfur electron transfer proteins described in the text. Please draw the structure of the iron-sulfur active site, indicating the amino acids tethering the FeS core to the protein
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