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Question- Iron(II) in aqueous solution can be quantities by anoxidation- reduction process using dichromate,Cr2O72-
Cr2O72-(aq) + 6Fe2+(aq) +14 H+(aq) ? 2Cr3+ (aq) + 6Fe3+(aq) +7H2O
Write the balanced half reactions for the oxidation of Iron (II)and the reduction of dichromate,
Please define why you think that's the right answer
for a hydrogen atom with its electron in the 3pz orbital what is the longest wavelength of light that can ionize the
From the understanding of colligative properties, how would I design an experiment to measure the freezing point of a material which freezed at -2'c using the same apparatus used in the laboratory and any chemical reagents commonly found in a chemi..
Question- Aluminum (atomic mass 26.98 g/mol) crystallizes in a face-centered cubic unit cell. In addition, aluminum has an atomic radius of 143 pm. What is the density of aluminum
The Winkler titration for the determination of dissolved oxygen involves the treatment of the sample with iodide ion (I-) in the presence of manganese ion catalyst (Mn2+) as follows.
The running engine of an automobile preoduces carbon monoxide Co, a toxic gas at the rate is of about 0.117 mol CO per minute. A car is left idling in a poorly ventilated garage that is 6.0m long 4.0m wide and 2.2 m hight and 20.0 C.
On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water.
Using 1-Propanol as your only source of carbon, propose a synthetic route for 2-methyl-1,3-pentanediol.
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
a backpacker wants to carry enough fuel to heat 2.2 kg of water from 30 c degree to 100.0 c degree. if the fuel he
Calculate the amount of these reactants required to produce 14 grams of 5-methyl-5-nonanol assuming an 80% yield.
Explain if a 60 gram laboratory mouse is exposed to 20.3 rad of radiation, Explain how much energy in Joules was absorbed by the mouse's body
what is the concentration of sodium ions in the resulting solution?
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