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Which of the following compounds does not give Lassaigne's test for the detection of Nitrogen ?
(A) Glycene (B) Urea (C) Aniline (D) Hydrazine
A rigid vessel contains 10 kg of steam. the steam is initially at 10 bar and 300 C. After a period of time the pressure in the vessel is reduced to 1 bar due to heat transfer with the surroundings.
Problem- One mole of ideal gas is isothermally expanded from 5.0L to 10L at 300K. Calculate the entropy changes of the system, surroundings and universe if the process is carried out (A) , reversibly and (B)Irreversibly against an external pressur..
A solution of household bleach contains 5.25% sodium hypochlorite NaOCl by mass. Presuming that the density of bleach is the same as water, Compute the volume of household bleach that must be diluted with water to make 500.0mL of a pH = 10.18 solu..
In the particular reaction the acid group of (s)-monosodium glutamate was converted to an acid bromide group -C(=O)---OH >>> -C(=O)-Br Explain would the resulting monosodium glutamate derivative be (S), (R), or a racemate
Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below. HCl is a stronger acid than H2S because Cl is more electronegative than S. H3PO3 is a stronger acid than H3PO4 because it has fewer ox..
the activation energy is 18 kj/mol and the overall delta E is -136 kj/mol. How times faster will the reaction occur at 50C than at 0C for the forward reaction
What will happen if all the solids in the nucleophile medium were not dissolved. How might this affect the outcome of the experiment
assume that amolecule can adopt 10000 distinct conformations. the energy of the ground state conformationis -4.0
Problem- What is the pH of 75.0 mL of a solution that is 0.047 M in weak base and 0.053 M in the conjugate weak acid (Ka = 7.2 × 10-8)? pH = ?
Given the following activation energies, what is the rate constatnt for a catalyzed and uncatalyzed decomposition of hydrogen peroxide(H2O2). Ea(uncatalyzed) 76kJ/mol, Ea(catalyzed) 19JkJ/mol
The formula for the illegal drug cocaine is C17H21NO4. What is the percentage of hydrogen in the compound?
Calcite (CaCO3) has two types of bond. What are the two types? Demonstrate which is the stronger by calculating the degree of ionic character of each bond
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