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A S atom has an electron configuration of 2.8.6. What is the electron configuration of an S2- ion?
An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most likely empirical formula for this compound
A Cu/Cu2+ concentration cell has a voltage of 0.21V at 25 °C. The concentration of Cu2+ in one of the half-cells is 1.4×10-3M . What is the concentration of Cu2+ in the other half-cell?
What is the molar concentration of a H3PO3 solution if 150.00 mL of the solution was required to neutralize 75.00 mL of NaOH whose concentration was 1.50 molar?
a a saturated silver chloride solution contains 1.58 x 10-4 g silver chloride per 100 ml solution. what is the molarity
How much heat energy is needed to raise the temperature of a 0.50 L of ethanol (d = 0.79 g/mL) from 20.0°C to 50.0°C. Specific heat capacity of ethyl alcohol = 2.45 J/g°C
The amount of aspiring (molar mass of 180.15 g/mole) in a commercial tabletwas determined by titration with NaOH. What mass of aspiring was in a tablet if 15.00 mL
The minimum amount of energy required to bring about a chemical reaction is called
If an unknown substance with the formula Ba(subscript x)Cl(subscript y)•(variable z)H(subscript 2)O was added to water and Na(subscript 2)HPO(subscript 4), the precipitate formed is Barium phosphate. What is the net ionic equation for this precipi..
To calculate the air pressure, the volume occupied by the air is assumed constant. Why is this assumption incorrect? Explain how the vapor pressure calculated and the resulting Clausius-Clapeyron plot are affected.
When the reaction is carried out in the lab under the given conditions of temperature and pressure, only 1.6L of hydrogen gas are generated. What is the percent yield?
Problem- When 2.00 mol of SO2Cl2 is placed in a 2.00-L flask at 305K , 55% of the SO2Cl2 decomposes to SO2 and Cl2: SO2Cl2(g)?SO2(g)+Cl2(g). Calculate Kc.
Calculate the ionic strength of (a) 0.0061 M NaOH (b) 0.0005 M La(IO3)3 Assume complete dissociation at this low concentration and no hydrolysis reaction to form LaOH2.
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