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Balance the equations using the oxidation-reduction reaction. Identify the half-equations if it is oxidation or reduction.
1.) Mn2+ + H2O2 -------> MnO2 + H2O (basic medium)
2.) Cu + HNO3 --------> Cu2+ + NO + H2O (acidic medium)
Each component contains different metals and minerals. The pebbles and shells can easily be separated from the sand. Which term or terms could be used to describe this sample of sand?
What happened when CaCO3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about NaOH added to HCl?
The kinetics of double-stranded formation for a dodecamer containing two G.T base pairs was measured by temperature-jump kinetics. The reaction is
a 35.00 ml solution of 0.2500 m hf is titrated with a standardized 0.1356 m solution of naoh at 25 c.a what is the ph
There are three containers all connected to each other. There are a total of six particles inside the containers, two in one container, four in another container, the third container is empty. Upon changing the conditions,
From this data, calculate the temperature at which ice is in equilibrium with liquid water.
Suppose the reaction Ca3(PO4)2 + 3H2SO4 ------ > 3CaSO4 + 2H3PO4 is carried out starting with 103 g of Ca3(PO4)2 and 33.7 g of H2SO4. How much phosphoric acid (H3PO4) will be produced?
for each of the following sets of pressurevolume data calculate the new volume of the gas after the pressure change is
Ammonia gas is condensed at its boiling point at 1.01325 bar at -33.4c by the application of a pressure infinitesimally greater than 1 bar. To evaporate ammonia at its boiling point requires the absorption of 23.30 kl/mol. Calculate
What is the formula and name for the following (1) KOH+HBr,(2) Zn+AgNO3,(3) K+NaCl, (4) HCl+NaOH (5) BaCl2+NaSO4 (6) H2+O2
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
the density of liquid octane, H8H18, is 0.7025g/ml. if 1.00ml of liquid octane is vaporized at 100 degrees 100'c and 725 torr, what volume does the vapor occupy?
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