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2MnO4- + Cl2+ 4H+ ------> 2ClO3- + 2Mn2++ 2H2O
In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.
a solution is 0.010 m in both br- and so42-. a 0.250 m solution of leadii nitrate pbno32 is slowly added to it. a which
A suspected case of food tampering involving a soft drink containing FD&C Yellow Dye No. 5 has occurred. It is suspected that part of the contents was dumped and a household cleaner was added to it. Explain how one might use spectrophotometry to prov..
What volume o CO gas is produced by the following reaction at 240K and 1 atm pressure? Use ideal gas law for this gas
Determine what is Δ[Br- ]/Δt If Δ[BrO 3 - ]/Δt = 0.018 M/s express your answer in M/s?
Problem- A municipal landfill in a lightly populated Florida county serves 253,000 people. Each week 85 trucks bring a total of 2,180 metric tons of municipal solid waste (MSW) to the landfill.
what volume of nitrogen is is formed at 742 torr and 28.7dgree c by reacting 2.78 cm^3 of cu is density 8.95 g/cm^3 with 246ml of nitric acid ( 1.42g/cm^3) 68 %HNo3 by mass. Cu(s) + 4HNO3(aq)-------CU(NO3)2aq + 2NO2(g) + 2H2O(l). What is volume fo..
consider a reaction in which ferric oxide is converted to iron and gaseous oxygen. If this reaction is only 83% efficient and the ferric oxide is only 87.5% pure, what mass of ferric oxide is required to make 3 moles of iron
One hectare is equal to 10,000m2. In the English system, land is often measured in acres (1 acre= 160 rod2). Use the exact conversions and those given (5.5 yards= 1 rod) (40 rods= 1 furlong) (8 furlongs = 1 mile) to calculate the following.
A 13.71g of NaBr contains 22.34%na by mass. Regard as the law of constant composition. Explain how many grams of sodium does an 8.71 g sample of sodium bromide contains.
calculate the concentration in molarity of a naoh solution if 30.0 ml of the solution are needed to neutralize 15.0 ml
Presuming no calorie intake from water or minerals, if a 100.-gram steak contains 49% water, 15% protein, 0% carbohydrate, and 36% fat define what is the estimated gross energy content of steak in Calories
Sucrose (C12H22O11 FW=342.2965) combusts in oxygen to generate carbon dioxide and water vapor. When 20-g sample of it is combusted in a bomb calorimeter with a calorimeter constant of 6.595 kJ/ degrees Celsius
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