Learn more about our help with Assignments: Physical Chemistry
Search & Filtering
Physical Chemistry
what is molarity
Physical Chemistry
Write the Valence bond Eigen function under perfect pairing scheme for BeH2 molecule.(Long Answer)
Physical Chemistry
flask A of volume 10litre containin 2ogm of hydrogen and flask B of volume 10litre containing 88gm of carbon dioxide are connected by a connector having negligible volume.when volve of the connector is opened what is the composition of the gases in flask B afteropening the volve?
Physical Chemistry
What is the [OH]- in the final solution prepared by mixing 20ml of 0.5M HCl with 30ml of 0.1M Ba(OH)2.
Physical Chemistry
You have been asked to give advice relating to provision of fire fighting equipment to owner of small engineering factory manufacturing motor components. There are wide range of industrial risk on site is not protected by automatic sprinkler system
i) list some of various work areas you would expect to find in the building
ii) list risks that are likely to be found in each of the areas identified
iii) state most appropriate extinguishing agent for each risk you have identified in (ii) above
iv) if you had choice of TWO extinguishing agents which would be capable of dealing with all the risks identified?
i) list some of various work areas you would expect to find in the building
ii) list risks that are likely to be found in each of the areas identified
iii) state most appropriate extinguishing agent for each risk you have identified in (ii) above
iv) if you had choice of TWO extinguishing agents which would be capable of dealing with all the risks identified?
Physical Chemistry
a)Give brief outline of the method of operation (not just what they do) of each of the following types of detectors
1. electronic fixed temperature/rate of rise heat detector
2. ionization chamber smoke detector
3. optical smoke detector
4. carbon monoxide fire detector
5. infra red flame detector
6. ultra violet flame detector
b) Choose any four of the above devices and give two examples in which
i) the detector would be suitable for detection of fire
ii) unsuitable for installation
1. electronic fixed temperature/rate of rise heat detector
2. ionization chamber smoke detector
3. optical smoke detector
4. carbon monoxide fire detector
5. infra red flame detector
6. ultra violet flame detector
b) Choose any four of the above devices and give two examples in which
i) the detector would be suitable for detection of fire
ii) unsuitable for installation
Physical Chemistry
A solution contains 0.040 moles of NaOH in 400 mL of solution volume? what is [OH-] for this solution?
Physical Chemistry
A 500 mL solution of 0.002 M NaOH would contain how many moles of OH-?
Physical Chemistry
Cu(s) + 2 Ag 1+ (aq) <-----> Cu2+ (aq) + 2 Ag (s)
This redox reaction has a Delta H= -250 kJ. Which of the following would cause this equilibrium to shift to the left?
a) an increase in temp
b) increasing the pressure
c) a decrease in temp
d) lowering the pH
This redox reaction has a Delta H= -250 kJ. Which of the following would cause this equilibrium to shift to the left?
a) an increase in temp
b) increasing the pressure
c) a decrease in temp
d) lowering the pH
Physical Chemistry
The solubility of the salt MX in water is 1x10^-4 mole/L. What is the value of ksp for this salt?
