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Question- What is the volume occupied by 22.3g of argon gas at a pressure of 1.48atm and a temperature of 469K? Express your answer with the appropriate units.
Please take care to answer the question as mark are equally granted for each point
Identity the species with the larger radius in each of the following pairs. Use the concept of effective nuclear charge to explain the difference in radius for each pair. a) Cl or S b) Cl- or S2- c) Na or Mg d) Mg2+ or Al3+
A student titrated 20.0 mL of 0.410M HCL with 0.320M NaOH. Find the pH, [H3O+], and [OH-] when 21.50mL of titrant has been added.
Calculate the molar solubility of FeCO3 . How many grams of FeCO3 are present in 15.0 L of a saturated solution.
once released into the atmosphere the so2 is likely to react with oxygen to form so3. what can happen next if the so3
What is the formula weight of KI? What quantity of KI is present in 301 mL of a 0.30 M solution?
When the following equation is balanced, H2S + Fe(OH)3 ----> Fe2S3 + H2O the coefficient of H2S is
The ester ethyl p-nitrobenzoate is more reactive towards nucleophilic acyl substitution than ethyl p-methyoxybenzoate. Explain the reactivity difference
Explain why is it not possible to separate out the contribution of protein in substrate utilization using expired air. Think Non-protein RER as well as link a reference to where the information that was given can be found
The principle quantum number defines the shell (which is roughly, but not quite exactly, the row, or period, of the periodic table). Demonstrate the difference between the rows of the periodic table
Problem- What is the concentration of H+ in 0.00065 M HNO3. What is the pH of the solution. What is the OH- concentration in the solution
If the heat of combustion for a specific compound is -1040.0 kJ/mol as well as its molar mass is 78.87 g/mol, explain how many grams of this compound must you burn to release 333.90 kJ of heat
Describe the preparation of 0.250 L of 50.0 mM lactate buffer, pH 4.5 using a 0.5 M solution of lactic acid and 0.5 M solution of sodium lactate. pka=3.9
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