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If 750 ml of a certain solution contains 50 g Na2SO4 the sodium ion concentraions [Na+], is what?
Will the temperature decrease shift the equilibrium toward the reactants or products for a reaction characterized by a positive reaction enthalpy and positive reaction entropy?
In a sample containing small grains of sand, what would you observe in the Mel-Temp apparatus when you melt the sample that would indicate to you that your sample contained this type of impurity
given the following bond enthalpy values calculate the enthalpy of formation for gas phase isopropanol c3h7oh at 25
a 65 g ice cube at 0degc is heated until 40 g has become water at 100degc and 25 g has become steam at 100degc. how
Important information about PH calculations, Calculate the pH of the solution formed during a titration upon adding 35.0 ml of a standard .150M NaOH solution to
dry-cleaning solvent molecular weight 146.99 gmol that contains c h and cl is suspected to be a cancer-causing agent.
The concentration of methane in the biogas leaving an anaerobic digester (part of a wastewater treatment system) is 55% (volume basis) at 50 °C. The remaining 45% is CO2.
Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let's see how many different examples we..
The sulphate ionis trapped as water-insoluble BaSO4. The quantity ofBaSO4 obtained is 0.2070g. What is the mass percent ofsaccharin in the sample of sweetener
0.200 mol of NO is placed in a one liter flask at 2273K. After equilibrium is attained 0.0863 mol N2 and 0.0863 mol O2 are present. What is the Kc for this reaction
The solubility of MnSO4 monohydrate in water at 20deg C is 70.0g per 100.0 mL of water. A solution at 20deg C that is 4.22M in MnSO4 monohydrate is best described as a _______ solution.
Briefly explain how the calculated molar mass of HCL would be affected if the HCL-saturated cotton ball were placed in the tube the NH3-satureted cotton ball
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