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A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, define what will the total pressure become?
sodium vapor lamps used for public lighting emit yellow light of wavelength 580 nm. how much energy is emitted by an
Determine the ionization constant for Hypochlorous before addition of any Potassium hydroxide, KOH and after addition of 25.0 mL of KOH ?
Calculate deltaS, deltaStotal, and deltaSsurroundings when the volume of 84.0g of CO initially at 298K and 1.00bar increases by a factor of four in (a) an adiabatic reversible expansion, (b) an expansion againt Pexternal=0, and (c) an isothermal r..
A solution is made from ethanol, C2H5OH, and water is 1.60 m in ethanol. How many grams of C2H5OH are contained per 230. g of water?
considering the given equation hcl x3po42 h3po4 xcl2 it is given thatnbspwhen a particular metal a reacts with
the pH of a neutral solution is 7.83. What is the value of Kw at that temperature?
A 35.0- sample of 0.150 acetic acid is titrated with 0.150 solution. Calculate the after the following volumes of base have been added. 35 ml.
1 mole equivalents of sodium hydroxide ( 2 mol dm^-3 solution) will be required to form the phospharane (ph3p=CHCOOEt) from the phosphonium salt (Ph3P+CH2COOEt Br-) . what volume of sodium hydroxide solution needs to be added
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
What is the change in pH after addition of 10.0 mL of 1.0 sodium hydroxide to 90.0 mL of a 1.0 M NH3/1.0 M NH4+ buffer? [ Kb for ammonia is 1.8 x 10^-5]?
For carbon tetrachloride, the boiling-point constant is 5.03 C x kg/mol, and the boiling point of pure carbon tetrachloride is 76.50 C.
Write the chemical equation for the dissociation of the salt into its ions. Write the expression for Ka or Kb and give the value of Ka or Kb 1. 1.0M NaC2H3O2 pH=7.45 2. 1.0M NaHCO3 pH=8.60 3. 1.0M Na2CO3 pH=11.62 4. 1.0m NH4Cl pH=3.98
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