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Metalloids conduct electricity better than nonmetals but not as well as metals, so they are called ______?
What is the total molar concentration of ions in each of the following solutions, assuming complete dissociation? A 0.500M solution of K3CO3
two liquids form a solution and release a quantity of heat. how does the pressure above the solution compare to that
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum
1.when we say that something gives us energy what does that mean? what is a biological definition of energy?nbsp2.what
Calculate the solubility in g/L of MgCO3 in the following solutions. (a) pure water (b) 0.0010 M Na2CO3 (Use the quadratic equation.) Calculate the molar solubility of AgBr in a 3.0 M NH3 solution.
What mass of potassium bromide residue remains if 500.0 mL of 0.200 M potassium bromide solution are evaporated to dryness.
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
That is, if you see a second layer of insoluble organic liquid, what could the unknown be in addition to a tertiary alcohol?
If a temperature increase from 11.0degree C to 20.0degrees C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction
Which of the following is the correct pH of a 211.7 mL solution (final volume) of pure water after 52.3 mL of 1.00 mM HCl was added
r2 deaker and c3 phosphate are titrating 100 ml of monoprotic acid (HAc) with a .5M NaOH solution. the equivalence point was reached after the addition of 15 ml. what is the concentration of the acid in molarity
Calculate delta Grxn(in KJ) for the following reaction at 298K: 2H2(g)+CO(g)=CH3OH(g) given that delta H=-90.7 Kj and delta S=-221.5 J/K for this process.
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