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If electricity of sufficient voltage is passed into a solution of potassium iodide in water, a reaction takes place in which elemental hydrogen gas and elemental iodine are produced, leaving a solution of potassium hydroxide. what is the unbalanced equation?
Large jumps in ionization energy tend to occur whenever the removal of that electron disrupts an electron configuration ending in
The concentration of Ag+ in a solution saturated with Ag2C2O4(s) is 2.2 multiplied by 10-4 M. Calculate Ksp for Ag2C2O4.
The Ka of HNO2 is 7.1 x 10^-4. Use this to find the volume (mL) and pH of 0.0588 M KOH needed to reach the equivalence point(s) in titrations of 28.5 mL of 0.0380 M HNO2.
Table salt NaCl and sugar C12H22O11 are accidentally mixed a 5.00g sample is burned and 3.00 of CO2 is produced. What is the mass percentage of the table salt in the mixture
Concentration of a Species, One mole of NOCl gas is added to a 4.0L container. The NOCl undergoes slight decomposition to form NO gas and Cl2 gas.
the heat of fusion of a compound is 126 joules per gram. What is the total number of joules of heat that must be absorbed by 15.0- grams sample to change he compound from solid to liquid at its melting point?
Titanium crystallizes on a body-centered cubic lattice with a unit cell edge length of 3.28 Å. The density of titanium is 4.54 g /?cm3. The atomic mass of titanium is 47.88.
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants.
It is desired that the extent of disruption be >= 0.9. Plot how the number of passes varies with operating pressure over the pressure range of 50-125 MPa. What pressure range would you probably want to operate in
calculate the volume (L) the gas will occupy when the temperature is increased to 155 °C while maintaining the pressure at 629 torr.
Find the equilibrium constant for the reaction- A(g) + B(g)--> 2C(g) at 25C when k equals 1.4 x 10^-12 M^-1S^-1 for the reaction A(g) + B(g)-->2C(g) at 25C and k equals 2.7 x 10^-13 M^-1S^-1 for the reaction: 2C(g)-->A(g) + B(g) at 25C.
Calculate Kc for the reaction 2CCl4(g) + O2(g) [3] 1.75 moles of H2O2 were placed in a 2.50 L reaction chamber at 307C. After equilibrium was reached, 1.20.
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