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Ethio
Questions (16)
What is the different b/n internal energy(^E) and enthalpy(^H)? Under what circumstances are internal energy and enthalpy nearly
3 answers
432 views
Please briefly explain why is bond energy defined only for gases? Thanks for your help again.
1 answer
400 views
The pH of sodium acetate/acetic acid buffer is 4.5 . Calculate the ratio of [CH3 COOH]/[CH3COO-]
4 answers
1,928 views
Why is bond energy defined only for gases?
5 answers
1,826 views
An unbuffered solution contaning 0.000018 M HCl .Calculate PH after adding 1 mL of 0.1 M NaOH to 100 mL of solution.
5 answers
2,344 views
Calculate z pH of a buffer solun containing o.1 M acetic acid & 0.1 M solun of sodiumacetate when 1 mL of 0.1M HCl is added to
2 answers
816 views
I wan be prepare soap in our school lab ,what localy materia can i use as ingridiant and wha procedure are their to prepare soap
1 answer
384 views
When pH Value less than 0 or negative value ,it mean what? Because known pH value is b/n 0-14.
1 answer
281 views
A solution is prepared by diluting concentration HNO3 to 2.0 M,Calculate PH.
2 answers
562 views
Calculate the freezing of solution of 3.46 g of compound,X, in 160 g of benzen.when separated sample of X was vaporised, it
11 answers
4,079 views
Calculate the molecular mass of sulphur if 35.5 g of sulphure dissolves in 1 00 g of CS2 to produce a solution that has a
2 answers
514 views
Calculate the molecular mass of sulphur if 35.5 g of sulphure dissolves in 1 00 g of CS2 to produce a solution that has a
1 answer
462 views
Calculate the freezing point of a solution of 3.46 g of a compound,X,in 160 g of benzene. When separate sample of X was
10 answers
2,805 views
The vapour pressure of pure water at 110 c is 1070 torr.A soln of ethyleneglycol in water has vapour pressure of 1 atm. Assuming
4 answers
2,493 views
Why are acid added to the water not the water to the acid?
1 answer
364 views
I am 100 mL of a 0.5 M HCl solution,and i want to dilute it to exactly 0.1 M. How much water should i add?
4 answers
535 views
Answers (1)
What is the different b/n change in internal energy(^E) and enthalpy change(^H)? Under what circumestance are change in energy(^E) and enthalpy change(^H) nearly equal? Thanks for your helps.
