What is the cas number
What is the CAS number for 6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone
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How many air molecules are in a rm 12.0 times 12.0 times 10.0~ft room? Assume atmospheric pressure of 1.00 rm atm, a room temperature of 20.0 rm {}^{circ}C, and ideal behavior.
A lead ball is dropped into a lake from a diving board 4.80 above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 4.80 after it is
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
Ionic concentrations of Na+ and K+ ions in the plasma of mammalian cells are 145 and 4 mM, and in the cytoplasm are 12 and 140 mM, respectively. Calculate the magnitude of electrical potential across the membrane.
what are the magnitude and direction of the maximum force on the man from the woman? what are the magnitude and direction of the maximum acceleration of the woman and the magintude.
If the freezing point of a 10.0g sample of t-butanol is 24.59C. How many grams of water are present in the sample?
How many kilograms of chalcopyrite must be mined to obtain 315 of pure?
What is the buffer capacity of the solution? That is, how many millimoles of strong acid or strong base can be added to the solution before any significant change in occurs?
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