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It was mentioned that you should not expect the pH of distilled water to be 7.00 as ordinary measured in the laboratory. What components of the atmosphere might cause distilled water in the laboratory to have a pH < 7.0? Write an equation to show this.
If possible just a brief explanation how you got the answer?
Problem- Indicate the type of solid (molecular, metallic, ionic or covalent network) each of the following would form upon solidification: W (Tungsten), SrBr2, A type of boron crystal (mp 2250 degree C), S8 (a form of Sulfur).
The standard cell potential for the reaction below is +0.63 V. The cell potential for this reaction is __________ V when Zn2+ = 3.5M and Pb2+ = 2.0x10^-4 M. Pb2+ (aq) + Zn (s) --> Zn2+ (aq) + Pb(s)
Calculate the change in internal energy on an isothermal compression of 1.00kg of water at 20degress from 10^2 to 10^4 kPa
Show how the electronic structure of the NO molecule can be inferred from that of O2. Explain why NO+ has a stronger bond then NO itself.
A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.
How many milliliters of 0.100 M NaOH solution are required to neutralize a solution containing 3.92 g H2SO4
(A) What is the electron configuration of diatomic BN+? What is its bond order?
You have a sugar solution( solution A) with concentration x. You pour 1/4 of this solution into a beaker, and add an equivalent volume of water (solution B)
Explain the difference between the Bohr model for the hydrogen atom and the quantum-mechanical model.
Question- An equilibrium mixture of CO, O2 and CO2 at a certain temperature contains 0.0010 M CO2 and 0.0015 M O2. At this temperature, K c, equals 1.4 × 102 for the reaction
The distance from the earth to the nearest stars is measured in light-years. Convert the distance 7.8 light-years to SI units
a sample of a gas has a mass og 0.311g. its volume is 0.225 L at a temperature of 55 degrees C and a pressure of 886 mmHg. find its molar mass
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