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Write out two net ionic equations for the reaction of hydrochloric acid with carbonate to form bicarbonate and the reaction of hydrochloric acid with bicarbonate to form carbonic acid
How much heat is required to vaporize 353 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol.
Calculate the masses of the solid you must measure out to prepare 100mL EACH OF 0.025 M KNO3 , 0.025 M CuSO4, 0.025 M Ca(NO3)2, and 0.025 M KCl . include waters of hydration when clculating the formula wights.
Rank the diffusion coefficients from least (1) to greatest (4) for the following cases. Assume the temperature is the same for all cases. 1-4 Interdiffusion C in gamma-Fe
Students at the University of North Texas and the University of Washington built a car propelled by compressed nitrogen gas. The gas was obtained by boiling liquid nitrogen stored in a 195.0 L tank.
After the addition of the ammonium ion to a dilute solution of ammonia containing phenolphtalein it became much paler. Please explain why with LeChatelier principles.
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 39.0 mL of 0.550 M Cd(NO3)2 solution?
How about for a solution of nitric acid (which has pKa of -1.4) Do the calculation for a formal concentration. of 1M and for the formal concentration of 0.1M.
What is ozone and how it works as a protective molecule for our environment? What are the effects of CFCs on the ozone layer.
Hydrogen has two naturally occurring isotopes 1H (mass= 100783), and 2H (mass= 2.0140). If the atomic weight of hydrogen is given as 1.0079, which one is the more abundant isotope
the phosphorylation of 2 moles of ADP to ATP and has a deltaG= -135 kJ/mol. What is the deltaG for the conversion of glucose into lactic acid?
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
We place 1.32 mol PCl5 in a 1.0L flask and allow it to reach equilibrium at a given temperature. What is the final concentration of Cl2 in the flask? PCl5 = PCl3 + Cl2 K= .47
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