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Himran
Questions (45)
Write a one page business profile for Egra Poultry.
1 answer
19 views
Write a one page business profile for Egra Poultry. Specialise in Broiler poultry for meat, layer poultry for eggs and chicken
1 answer
22 views
What Businesses are under Poultry
1 answer
12 views
List 10 advantages and disadvantages of cold
process in soap making
1 answer
9 views
List 10 advantages and disadvantages of hot process in soap making
1 answer
11 views
A 20.0mL aliquot of 0.1M HNO2 is titrated with 0.100M NaOH. (A) what is the pH of the solution before titration?. (B) what is
1 answer
20 views
A 20.0mL aliquot of 0.100 M HCl is titrated with 0.100M NaOH solution. What is the pH of the resulting solution after 15.0mL of
1 answer
16 views
why is bromocresol green turns blue to colorless in a titration
1 answer
11 views
Why does bromothymol blue does not change its colour in a titration reaction
1 answer
12 views
A titration of a NH3 and HCl. The NH3 has a molarity of 0.3M and a pH of 11.37, whereas the HCl has a molarity of 0.2M and a pH
1 answer
14 views
A titration of NH3 and HCl. The pH of NH3 is 11.37 and the pH of HCl is 0.2. What is the equivalence point?
1 answer
12 views
How to calculate the equivalent point of a titration
1 answer
8 views
Calculate the pH of 0.2 M HCl
1 answer
16 views
calculate the pH of an ammonia with the molarity of 0.33M
1 answer
12 views
From a titration experiment the following results were taken: trial 1- initial volume = 0 and final volume = 8.5 mL. Trial 2-
1 answer
14 views
calculate the molarity of the titres 24.994mL , 24.948mL, and 24.934mL? And calculate its overall max error and overall % error.
1 answer
18 views
calculate the molarity of the titres 24.994mL , 24.948mL, and 24.934mL?
1 answer
14 views
A.find the half-life of a 25g sample that decayed to 3g after 17527.5 years.
B. Radioactive dating is a common method used to
1 answer
13 views
find the half-life of a 25g sample that decayed to 3g after 17527.5 years.
1 answer
11 views
What is a development forum and why should one hold a development forum
1 answer
13 views
From a decay curve for x parent isotope.
A. After 3 half-lives, x parental isotope, should have decayed by how many years? B. How
1 answer
16 views
What is a development forum and why should one hold a development forum
1 answer
10 views
What causes frequently vomiting in a pregnant woman and what are some steps to reduce it
1 answer
13 views
Why do women vomit frequently in their second trimester?
1 answer
9 views
Is it normal for a pregnant women to vomit everyday and what are some appropriate steps to reduce it?
1 answer
11 views
The biological treatment of Total Organic Carbon (TOC) in water uses activated carbon adsorption. The adsorption accords with
1 answer
17 views
Using the Langmuir isotherm. The data given below are for the adsorption of CO on charcoal qt 273 K. Confirm that they fit the
1 answer
15 views
Using the Langmuir isotherm. The data given below are for adsorption of CO on charcoal at 273 K. Confirm that they fit the
1 answer
13 views
A 25.0mL aliquot of 0.10M acetic acid is titrated with 0.10 M sodium hydroxide solution
A. What is the pH of the acid solution
1 answer
21 views
A 25.0 mL aliquot of 0.10 M acetic acid is titrated with 0.10M sodium hydroxide solution.
A. What is the pH of the acid solution
1 answer
19 views
How many significant figures is 0.02
1 answer
10 views
How many sf is 0.02
1 answer
10 views
A 0.2121 g sample of pure Na2C2O4 was titrated with 43.31mL of KMnO4. What is the normality of KMnO4 solution?
1 answer
16 views
A 0.4550 g solid mixture containing CaSO4 is dissolved in water and treated with an excess of Ba(NO3)2, resulting in the
1 answer
11 views
A solution of ammonia in water is called "ammonium hydroxide" because of the equilibrium: NH3 + H2O = NH4+ + OH-. The Density of
1 answer
20 views
A 500 mL of Mercury solution was prepared by mixing 2.45g of Mercury chloride and 4.68g of Mercury sulfate in one container them
1 answer
18 views
a solution is prepared by mixing 50mL from 0.5M orthophosphate 35 mL from 5000 ppm orthophosphate solution then completed to 250
1 answer
17 views
Describe gas chromatography.
Explain briefly by the following order: A. General definition B. Basic principle of seperation C.
1 answer
20 views
What does Himran mean
1 answer
12 views
A 25.0mL aliquot of 0.10 M acetic acid is titrated with 0.10M sodium hydroxide solution.
A. What os the pH of the acid solution
1 answer
45 views
A 0.2121g sample of pure NawC2O4 was titrated with 43.31mL of KMnO4. What is the normality of KMnO4 solution? The chemical
1 answer
16 views
A 0.4550 g solid mixture containing CaSO4 is dissolved in water and treated with an excess of Ba(NO3)2, resulting in the
1 answer
15 views
A solution of ammonia in water is called "ammonium hydroxide" because of the equilibrium: NH3 + H2O = NH4+ + OH-. The Density of
1 answer
23 views
A 500mL of Mercury solution was prepared by mixing 2.45g of Mercury chloride and 4.68g of Mercury sulfate in one container then
1 answer
20 views
A 50 mL of Mercury solution was prepared by mixing 2 45g of Mercury chloride and 4.68g of Mercury sulfate in one container them
1 answer
17 views
