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Br2 and ICl have similar molecular weights which compund has a higher boiling point specifically
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.077 M in NaClO?
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air? The composition of air is 21% mole O2
calculate the pH of a solution formed by mixing 65 mL of .27 M NaHCO3 with 75 mL of .12 M Na2CO3
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
The freezing point depression constant, Kf, for water is 1.86?C/m. Suppose that 5.00 g of mercury(I) nitrate was dissolved in 100.0 g of water
At equilibrium, it is found that .25 moles of COCl2 remain. What is the equilibrium concentration of CO?
Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. Use equilibrium constant of 4.2 for this calculation..
In certain electrolysis experiment involving Al3+ ions, 57.0g of Al is recovered when a current of 0.352 A is used
If a 200 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.5 by 1.0 ft , what is the average thickness of the sheet in meters?
Draw viable Lewis structures to illustrate how the element bromine can take part in an ionic bond, a pure covalent bond, and a polar covalent bond.
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 16.0 L
Which of the following involve an increase in the entropy of the system under consideration?
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