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Determine which of the following reactions are oxidation-reduction reactions and which are not. what type of reaction do you have if it is not an oxidation-reduction reaction? show half-reactions for the redox reaction. show all oxidation numbers for the redox reactions. for all non-redox reactions, give correct ionic equations.
A.) 3Zn(s)+2CoCl3(aq)-->3ZnCl2(aq)+2Co(s)
B.)ICl(s)+H2O(l)--> HCl(aq)=HIO(aq)
C.) 2HCl(aq)+HNO3(aq)--> Cl2(g)+NOCl(g)+2H2O(l)
D.) Fe2O3(s)+3CO(g)--> 2Fe(s)+3CO2(g)
A balloon filled with helium gas has a volume of 620 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm. Assuming that the temperature has remained the same, what volume does the gas..
A mixture of Ne and Ar gases at 347 K contains twice as many moles of Ne as of Ar and has a total mass of 52.0 g. If the density of the mixture is 3.86 g/L, what is the partial pressure (in atm) of Ne?
Determine which metal will reach the lowest temperature If the same amount of heat is added to both the metals?
Suppose that the microwave radiation has a wavelength of 12.7 cm. How many photons are required to heat 200. mL of coffee from 25°C to 62°C?
How many moles of oxygen are combined with 4.20 moles of chlorine atoms in C2O7?
the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3) in the isolation step
Explain the structure for 4-ethyl-2,3-dimethyl-2-heptene?
Titration with sodium thiosulfate required the use of 18.94mL of 0.07992M Na;>203' Find the molarity of ascorbic acid in the juice.
Ozone reacts with nitric oxide discharged from jet planes to form oxygen gas and nitrogen dioxide. 0.740g of ozone react with 0.670g of nitric oxide. Determine the identity and quantity of the reactant supplied in excess.
A voltaic cell is based on the reaction Sn + I2 = Sn2+ + 2I-.
At 212 mm Hg and 24 °C, a sample of gas occupies a volume of 125 mL. The volume is increased to 325 mL and the temperature is reduced to -5.0 °C. What is the final pressure of the gas in the flask?
Determine the mass of H 2 O is formed if oxygen of 10.0L react completely in the given equation?
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