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Imagine a silica microsphere half of which is coated with a thin gold coating and having a trimethylammoniumpropanethiol molecule anchored to the gold. What do you think will happen to this Janus microsphere when placed in a droplet of water supported on a gold electrode held horizontally and having a second gold needle shaped electrode inserted into the top of the droplet and then a bias voltage applied between the electrodes alternately switching between positive and negative?
An aqueous solution is 36.0 % by mass potassium bromide, KBr, and has a density of 1.33 g/mL. determine the mole fraction of potassium bromide in the solution?
Important information about Liquid Crystals, Are there differences between the cholesteryl benzoates and the cholesteryl esters having long carbon chains?
Write the balanced net ionic equations for the reactions that occur in each of the given cases as. Cr2(SO4)3(aq) + 3(NH4)2CO3 (aq) = Cr2(CO3)3 ( s) + 3(NH4)2SO4 ( aq).
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
An element has two isotopes with masses of 62.9396 u and 64.9278 u,and 30.83% of the atoms are the heavier isotope. Calculate the atomic mass of this element and give its name and symbol.
Determine the amount of hydrochloric gas that should be bubbled into the buffer to triple hydronium ion concentration is closest to what?
Write the balanced chemical equation using the lowest possible whole number coefficients for Fe2O3+2Al = 2Fe+Al2O3.
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
What are the concentrations of HSO4-, SO42-, and H+ in a 0.27 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.).
How much KClO3 in grams is needed to generate 7.50L of O2 at pressure of 1.00atm and temp of 298K?
suppose you wanted to dissolve 106 g of Na2CO3 in enough H2O to make 6.00L of solution what is the molar mass of Na2CO3.
Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.
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