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For each of the following compounds, state whether it is ionic or covalent. If it is ionic, write the symbols for ions involved: the
(a)NF3(b)BaO(c)(NH4)2CO3(d)Sr(H2PO4)2(e)IBr(f) Na2O
Which of the subsequent statements correctly explain thehydronium-hydroxide balance in a given solution
A particular reaction has a DH value of -114 kJ and DS of -296 J/mol K at 298 K. Assuming that DH and DS hardly change with temperatur, determine the temperature in C at which the spontaneity of this reaction changes.
Based on the principle of "like dissolves like", indicate the compounds listed below that are likely to be soluble in an organic solvent like methylene chloride or diethyl ether and those that are soluble in water.
Problem- An open tubular column with a diameter of 207 ?m and a stationary phase thickness on the inner wall of 0.64 ?m passes unretained solute through in 77 s. A particular solute has a retention time of 431 s.
what will the final mixture contain if 14.0 g of n2 and 35.5 g of cl2 react to completion and the balanced equation is
a certain first-order reaction a to products has a rate constant of 4.20times10-3 at 45 degrees celcius. how many
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
Substances A and B are the same mass and at the same initial temperature. When they are heated, the final temperature of A is 55degree C higher than the temperature of B. What does this tell you about the specific heats of A and B
Calculate (a) the work done when the gas expands isothermally against a constant external pressure of 200 Torr until its volume has increased by 3.6 dm3, and (b) the work that would be done if the same expansion had occurred reversibly.
What is balanced molecular equation, the spectator ions, and the net ionic equation for:
If the temperature in the laboratory is 22.7oC and the atmospheric pressure is 0.966 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
Can you help me find the potential difference between different metals in the electrochemical series - For example magnesium and copper?
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