Reduction of dichromate ion
Half Reaction of K2Cr2O7 + 7H2SO4 +6FeSO4 = K2SO4+ Cr2(SO4)3 + 7H20
What is the half reaction showing the reduction of dichromate ion? and what is the half reaction showing the oxidation of iron (II) ion?
Expected delivery within 24 Hours
a sample of helium gas initially at 37 degrees celsius, 785 torr and 2.00L was heated to 58.0 degrees celcius while the volume expanded to 3.24L. What is the final pressure in atm.
The active ingredient in toothpaste is sodium fluoride, an anticavity agent. a 170 g tube of toothpaste lists the concentration of sodium fluoride a s0.24%. how many grams of sodium fluoride are in a toothpaste.
How much heat (in Joules) is gained by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 14C?
A calorimeter containing 200.0 mL of water was calibrated by carrying out a reaction which released 15.6 kJ of heat. If the temperature rose 3.25 degrees celcius then the heat capacity of the calorimeter inclusing the water is?
When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration, expressed as a percent by mass?
Calculate the theoretical yield of when 110g of C2H6 reacts with 207g Cl2 of , assuming that and react only to form C2H5Cl and HCl . Calculate the percent yield of if the reaction produces 169g of C2H5Cl .
How much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?
In the reaction where the potassium chlorate is decomposed into potassium chloride and oxygen. How much oxygen can be made from 45.8g of the potassium chlorate?
1928305
Questions Asked
3,689
Active Tutors
1420206
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What is the name of the method of monitoring exercise exertion by one's ability to speak comfortably during moderate exertion
A patient underwent a CABG ×2 from aorta to the right anterior descending and right obtuse, using the left greater saphenous vein
Describe the skills and qualities that are required for counsellors to be productive group members in an interdisciplinary health team.
Question: At what percentage of your maximum heart rate should you exercise to get the maximum cardiorespiratory benefits?
What is normal Physiology? What is Pathophysiology? What happens to upset the normal homeostasis and causes disease?
When supporting the protection of the child/ young person, identify the responsibilities regarding privacy and confidentiality according to organisational
A clinically meaningful endpoint is: Group of answer choices A. An endpoint that represents the clinical outcome of interest