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Please explain the following questions:
a) Which class of compounds isolated from fungi are used to lower cholesterol? Which part of the molecule is essential for this activity?
b) Which sesquiterpene is used to treat malaria infections which are resistant to other anti-malarial medication? What is its mode of action?
c) Which herbal medicine is prescribed to treat depression in some European countries?
Rank the subsequent chemical species from lowest absolute entropy (So) (1) to highest absolute entropy (5) at 298 K?
Question- Draw the major organic product formed when the compound butan-2-one undergoes a reaction with CH3CH2MgBr and then is treated with water.
The solubility product constant (Ksp) for the dissolution of PbSO4 as represented by the chemical equation is 1.7x10-8. PbSO4 (s) Pb2+ (aq) + SO42- (aq) Calculate the molar solubility (mol/L) of PbSO4 in water. Molar Mass (g/mol) PbSO4 303.26
a 100.0 ml of acetic acid solution of unknown molarity is titrated with 0.15 m naoh solution. the titration requires
In photosynthesis, plants use energy from the sun in combination with carbon dioxide and water to form glucose (C6H12O6) and oxygen. If 4.50 moles of water react with carbon dioxide, what mass of glucose is produced?
The average distance to Mercury from the Sun is about 5.79 x 10 7 kilometers (km). The average distance of Jupiter from the Sun is about 13 times the distance
Give the formula for an ionic compound formed from the following pairs of ions. Tip: Use the Xy button to subscript the numbers.
All LIVING SYSTEMS produce ALPHA-Amino Acids- The Carbon ATOM is bonded to COOH is the Alpha Carbon, so if the AMINE is also attached it is an ALPHA AMINO ACID!!
a balloon filled with 39.1 mole of helium has a volume of 876l 0.0oc and 1.00 atm presssure. the temperature of the
0.134 mole of kcl and 0.248 mole of cacl2 were dissolved in water. calculate the total number of moles of cl- ions in the solution.
determine the mass of Carbon Monoxide produced when 0.64g of antimony(III) oxide reacts with carbon according to the following equation: Sb2O3 + 3C yields 2Sb + 3CO
How many grams of Cl2 (MW = 71.0 g/mol) can be prepared from the reaction of 16.0 g of MnO2 (FW = 86.9 g/mol) and 30.0 g of HCl (FW = 36.5 g/mol)
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