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Here is a more complex redox reaction involving the permanganate ion in acidic solution:
5Fe(2+)+8H(+)+MnO4(-)=5Fe(3+)+Mn(2+)+4H2O
Classify each reactant as the reducing agent, oxidizing agent, or neither.
substance a and b are the same mass and at the same initial temperature. When the same amount of heat is added to each the final temperature of a is 75 degrees celsius
The amount of heat needed to raise the temperature of 25 g of a substance by 15°C is 915 J. What is the specific heat of the substance?
Consider a glass of 298 mL of water at 30°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.
Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
when 7.50 g of magnesium reacts with 9.50 g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
If ocean consisted of 3.5% salt by mass,what would be the freezing point of the ocean? Assume the Density of H2O= 1.00g/ml and that the whole ocean would freeze at the same temperature everywhere.
How many grams of nitrogen dioxide (NO2) are required to produce 260 grams of nitrogen monoxide, NO?
It is important to allow each spot added to the chromatography paper to dry completely before adding another spot.
What volumes of the stock solution will you have to pipet into the flasks to prepare standards and What mass of gas does the container contains If the volume of a container
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10-11 mol/L. Is this solution acididc, basic, or neutral?
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