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What was the calculated ?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure? The thermodynamic data is: •?H°f for NH3 (aq) = -
Explain in detail about the Allotropy Allotropy refers only to dissimilar forms of an element within the similar phase or state of matter (i.e. different solid, liquid or gas
Calculation of empirical formula The steps included in the calculation are as follows, (a) Divide the percentage (%) of each element by its atomic volume. This gives th
How to find atomicity
Q. Determine the Number of neutrons? Isotopes of an element can as well be specified by writing the mass number of the isotope following a hyphen after the name of the element.
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prepartion
An aqueous solution has a hydroxyl concentration of 1.75 x 10^-7mol/L. Find the concentration of hydrogen ions in this solution.
Q. Describe the Charles Law and show graph between temperature and volume? Ans. Charles' law describes the relationship between the temperature and the volume of a gas
Q. What are the Chemical Properties of Nitric Acid? Ans. Reactions as an acid: Nitric acid ionizes well because it is a strong acid. HNO 3 --> H + + NO3 - It tur
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