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For each reaction below, (a) identify the oxidation states of the atoms and (b) identify the oxidant, reductant, species oxidized, and species reduced. Also, think about this: How many electrons are transferred in each reaction?O2 + 4 Fe2+ + 4 H3O+ ----> 6 H2O + 4 Fe3+H2SO4 + ClO- --- -> S(s) + ClO4- + H2O
what is the formula for calcium oxalate dihydrate when 100 degree Celsius heat is added?
In the series HF, HCl, HBr, HI, which is the strongest acid?
The decomposition of potassium chlorate (KClO3) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 20.7 mol of oxygen?
The combustion of ethane produces carbon dioxide and steam: 2C2H6 + 7O2 --- 4CO2 +6H20 How many moles of CO2 are produces when 5.55 mol of ethane are burned in an excess of oxygen.
Describe the type of bonding that your unknown has (covalent, polar covalent). Locate and show any dipoles in your compound
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?
the fact that the relative reactivity of C-H bonds of an alkane for free-radical chain halogenation is tertiary > secondary > primary?
A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.15 M Na OH. What is the pH of the solution after 30.0 mL of NaOH have been added to the acid?
What are the relative percentages of hydrogen cyanide (HCN) and cyanide ion in a dilute aqueous solution
what would be the payload if helium were used instead of hydrogen?, d.) would you and a companion on board, the balloon ascends to 30,000 feet where pressure is 0.28 atm. Assume no volume change, what is the temp (in celsius) at 30,000 feet?
What is the change in entropy for the system, surroundings, AND total for the following processes
An open end manometer constructed from a U-shaped tube was operated using an oil which has a density of 1.088 g ml-1. In a particular measurement, the level in the end connected to the gas manifold, on which the experiment was being conducted,
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