Spectroscopy homework
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Drugs are broadly classified into following types depending on the purpose for which they are used.
1. Antipyretics
Choose the right answer from following. The molarity of pure water is: (a) 55.6 (b) 5.56 (c)100 (d)18
If a gas can be described by the Clausius equation of state:
P (V-b) = RT
Where b is a constant, then: (a) Obtain an expression for the residual vo
Choose the right answer from following. The molality of 90% H_{2}SO_{4} solution is: [density=1.8 gm/ml] (a)1.8 (b) 48.4 (c) 9.18 (d) 94.6
Can someone please help me in getting through this problem. Determine the normality of a solution having 4.9 gm H_{3}PO_{4} dissolved in 500 ml water: (a) 0.3 (b) 1.0 (c) 3.0 (d) 0.1
I want it before 8 am tomorow please. I am just wondering how much is going to be ?
The coordination number of a cation engaging a tetrahedral hole is: (a) 6 (b) 8 (c) 12 (d) 4
Answer: (d) The co-ordination number of a cation occupying a tetrahedral hole is 4.
Certain sols have the property of setting to a semi-solid, jelly-like form by enclosing the entire amount of liquid within itself when they are present at high concentrations. This process is called gelation and colloidal systems with jelly-like appearance are known as gels. Some common examples
The molarity of 0.006 mole of NaCl in 100 solutions will be: (i) 0.6 (ii) 0.06 (iii) 0.006 (iv) 0.066 (v) None of theseChoose the right answer from above.Answer: The right answer is (ii)
M = n/ v(
Choose the right answer from following. If 0.50 mol of CaCl_{2} is mixed with 0.20 mol of Na_{3}PO_{4}, the maximum number of moles of Ca_{3} (PO_{2})_{2} which can be formed: (a) 0.70 (b) 0.50 (c) 0.20 (d) 0.10
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