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Organic Chemistry
100ml ,1 M OF sucrose solution when treated with charcol becomes 0.8M .Amount of sucrose adsorbed in moles is ?
Organic Chemistry
When 2.35g of Mg(OH)2 is added to 250.0 mL of water, the temperature of the water raises from 20.5°C to 36.0°C. Calculate the molar enthalpy of solution.
Organic Chemistry
what happens if we add sulfur containing amino acids in essential amino acid protein solution
Organic Chemistry
Discuss SN1 And SN2 reactions in detail
Organic Chemistry
The mass of a piece of metal is 30.4571 grams. When the piece of metal was dropped into a graduated cylinder that had an initial water volume of 6.45 cm³, the total volume increased to 9.90 cm³. What is the density of the piece of metal in g/cm³?
Organic Chemistry
A student thinks they may have one of two possible compounds. Compound A, has a melting point of 160°C, compound B has a melting point of 161°C. The student’s unknown melts at 160.5°C.
The student test the unknown again and gets 160.4°C…160.6°C. How can students use compound A or B to determine the identity of the unknown?
The student test the unknown again and gets 160.4°C…160.6°C. How can students use compound A or B to determine the identity of the unknown?
Organic Chemistry
At 20°C, pentane (MW = 72.2 g/mol) has a vapor pressure of 434mmHg while butanol (MW = 74.1g/mol) has a vapor pressure of 6mmHg.
Explain this difference in vapor pressure in terms of specific of specific intermolecular forces for each molecule.
Explain this difference in vapor pressure in terms of specific of specific intermolecular forces for each molecule.
Organic Chemistry
Human blood typically contains 1.04 kg/L of platelets. 1.99 pints of blood would contain what mass (in grams) of platelets? (1 gallon = 3.785 L, 1 gallon = 8 pints)
Organic Chemistry
What are the unit of the rate constant for a 1/2-order reaction? express all concentrations in molarity and time in seconds.
Organic Chemistry
Use the given NMR and mass spectral data to identify the structures of an unknown compound.
H1
NMR: δ = 0.92 (t, J = 6 Hz, 3 H), 1.32 (broad s, 12 H), 2.28 (broad s, 2 H), and 2.69 (t, J = 7 Hz, 2 H) ppm.
Mass spectrum m/z (relative intensity) = 129 (0.6) and 30 (100).
H1
NMR: δ = 0.92 (t, J = 6 Hz, 3 H), 1.32 (broad s, 12 H), 2.28 (broad s, 2 H), and 2.69 (t, J = 7 Hz, 2 H) ppm.
Mass spectrum m/z (relative intensity) = 129 (0.6) and 30 (100).
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#340153 on Dec 2023
#340153 on Dec 2023