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0.90 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
Calculate the internal energy of He, Ne, and Ar under standard thermodynamic conditions. Do you need to redo the entire calculation
Describe why barium must be disposed of properly. What are the health effects of excess barium in drinking water? What is the maximum allowable concentration of barium in public water systems?
if the tank is heated, what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
just find out what mass of the nahco3 reacts with the vitamin c when the tablet dissolves in h2o it fizzes because the
The gas is heated to 675. K at a constant external pressure of 1.00 bar. b. The gas is heated to 675. K at a constant volume corresponding to the initial volume. c. The gas undergoes a reversible isothermal expansion at 310. K until the pressure i..
Optically pure 2-octyl sulfonate, a compound with a leaving group comparable to the tosylate and mesylate groups discussed in this chapter, was treated with varying mixtures of dioxane and water as solvent
What volume of 0.250 M KCl(aq) will completely react with 50.0 mL of 0.115 M Pb(NO3)2(aq)? 2 KCl(aq) + Pb(NO3)2(aq) ® PbSO4(s) + 2 KNO3(aq)
Predict whether a reaction will occur in each of the following. if so write the balanced chemical equation as well as the net ionic equation. Phases are all required for all species.
A 2.45 g sample of a gaseous oxide of nitrogen occupies a volume of 1.34 L at 28°C and 745 mmHg. What is the most likely formula for the gas. A. NO B. N2O4 C. N2O D. NO2
mixed in water and treated with 53.20 mL of 0.1030 M I2 (253.80amu) according to the equation C6H8O6 (s) + I2 (aq) ----> C6H6O6 (aq) + 2HI (aq)
In Ag+S8->Ag2S reaction, 2g of Ag and 2g of S8 are alowed to reac to completion what is limiting reactant, how many grams of Ag2S are produced, and how many grams of excess reagent remain
A helium gas cylinder at 25 Celcius is used to fill balloons and has a total volume of 43.8 L and a pressure of 1.51 x 10^4 kPa. how many moles of helium are in the tank
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