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How to find oxidation number of an element?
How to find out how many valence electrons an atom of an element has.
How to tell if an element is a metal or not.
How to find the "address" of an element (where it lives on the periodic table).
calculate the approximate concentration of the solution in mol/kg and determine the volume change of the ballon when it ascends from 1 atm pressure to 240 torr pressure ?
Write the formula of the reactants and products-including the symbols for the state- (s), (l), (g), (aq)- then balance the equation.
considering the given equation as ch4g2co gco2g2h2og when methane of 15.0 moles are reacted detremine the volume of
Complete and balance the equations for the following acid-base reactions name the reactants and the products HCIO4(aq)H2+NH3(aq)
Identify which of the following statements about the halogenation of alkane hydrocarbons are correct. a) Halogenation of alkanes follows a chain mechanism.
A very acidic solution (pH+1) had an iron concentration of 1mM, at what pH would the iron begin to precipitate if Oh- was added to raise the pH
Find the terms that can arise from the following configurations. In each case identify the ground term( lowest energy term). assume Russel-Saunders coupling: b) 4d2
Determine the direction of a reaction in a solution containing initially 10-4M acetaldehyde, 0.1M ethanol, 0.1M pyruvate, and 10-2M lactate. What is the value of Gibbs' function for this reaction
At 200°C, in the reaction below, the molar concentration of A was 7.81 M after 2.33 s and 1.45 M after 7.93 s. What is the average rate of reaction in M/s? 2A => Q + Z
Ozone is a trace atmospheric gas that plays an important role in screening the Earth from harmful ultraviolet radiation, and the abundance of ozone is commonly reported in Dobson units
How many moles of NaOH are present in 29.0 mL of 0.130 M NaOH? How many grams of solute are present in 615 mL of 0.100 M KBr?
if you burn 1.5 mol C3H8 according to the following reaction C3H8 +5O2 = 3CO2 + 4H2O how many grams of carbon dioxide are produced.
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