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Antifertility drugs:
These are the chemical substances employed to manage the pregnancy. These are as well known as oral contraceptives. The fundamental plan of anti fertility drugs is to avoid conception or fertilization.
Oral contraceptives connected to the class of natural products termed as steroids.
Both of them control the female menstrual cycle and ovulation. The birth control medicines are mainly a mixture of estrogen and progesterone derivatives that are much more potent as compared to the natural hormones.
Calculate the total heat (in J) needed to convert .777 moles of gaseous ethanol at 300 degrees C and 1 atm to liquid ethanol at 25 degrees C and 1 atm. Extra info: b.p. 78.5 degree
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if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is
Which one is least ionic in the following compounds: (1) Agcl (2) Kcl (3) Bacl 2 (4) Cacl 2 Ans: Agcl
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Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
how to report phase change
how can they used and what its side effects?
A water solution contains 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
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