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In preparing the sodium thiosulfate solution, the solid Na2S2O3x5H2O is not dried. Will this oversight cause the reported molar concentration of the standard Na2S2O3 solution to be too high, too low or unaffected? Explain.
given 4 NH3(g) + 5 O2(g)4 NO(g) + 6 H2O(g) 1,25g of NH3 reacts with 2,29g of O2 what is the limiting reactant?
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed
A solution contains 0.635g NaOH in 236 ml solution. What is the [OH-]?
What is the maximum amount of aluminum sulfate that can be formed?
A solution is prepared by adding some solid CaF2 to water and allowing the solid to come to equilibrium with the solution. The equilibrium constant for the reaction below is Kc = 3.9x10-11.
The bomb that destroyed the Murrah Federal Office building in Oklahoma City in April 1995 was constructed from ordinary materials: fertilizer(ammonium nitrate) and fuel oil
Acetylene, C2H2, gas is collected over water at 23°C. The total pressure is 745 torr. What is the pressure of the C2H2 gas. (The vapor pressure of water at 23°C is 21.07 torr.)
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Compute the pH of the solution before the addition of any HNO3. Kb of NH3 =1.8 × 10-5.
According to NMR spectra rules, a carbon that is more substituted is more deshielded. For some reason I cannot understand this, because in my mind I see it has more shielding since there is more electron density around it. Please explain in detail..
rank the given solutions in aquous form from lowest to highest boiling point 0.5 m nacl 1 m kcl 0.5 m bacl2 1 m
Calculate the pressure (in atm) of 16.80 mol of CO2 gas in a 3.00 L vessel at 153 k with the Van der Waals equation (a=3.592 L^2 * atm/mol^2 and b=0.0427 L/mol for CO2)
The F-Cl-F bond angle between adjacent F's in ClF3 (Cl being the central atom) is closest to
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