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Biocarbonate ion can react in water to produce hydroxide ions and carbonic acid according to the equation below.
HCO3^- (aq) + H2O(l) <---> H2CO3 (aq) + OH^- (aq)
If the equilibrium constant for this reaction is 1.4 x 10^-8, what woul the equlibrium concentration be of hydroxide ion for a system that was initially 1.0 M HCO3^-? Assume only the HCO3^-3 was present in the system initially.
What mass (in grams)of KNO3 would have to be decomposed to produce 27.1 L of oxygen measured at STP?
Determine how many grams of sodium chloride are required to prepare 250. mL of this solution. (if given the density of the saline solution is 1.0 g/mL)?
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.
How would you go about finding how many mL of 2.00 molar NaOH (Aqueous) solution are required to neutralize 1.858 g of KHC8H4O4 (it's formula weight being 204.22)? Any other example would do
How many formula units make up 26.2 g of magnesium chloride (MgCl_2)?
At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
Define detection limit. Does a compound with high molar absorptivity have a higher or lower limit of detection than a compound with low molar absorptivity
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines
It is found for the reaction A + B > C that doubling the concentration of either A or B while keeping the other one constant quadruples the reaction rate. Write a rate law for the reaction
You have a balloon that is not permeable to gas molecules. The balloon is spherical and has a circumference of 3.141592654 m when it is filled with a gas at 20 EC and 1.0000 atm pressure.
What is the reaction order with respect to chloroform? What is the reaction order with respect to chlorine.
When 5.0 g of an unknown compound is dissolved in 200.0 g of carbon tetrachloride, CCl4, the freezing point of the solution is -31.8 degC. The freezing point of pure carbon tetrachloride is -22.3degC
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