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Explain what purpose does a 1-cm layer of anhydrous sodium sulphate in the apex of the funnel serve while transferring the dichloromethane take out into the round- bottom flask
A gas occupying a volume of 627.0 mL at a pressure of 0.967 atm is allowed to expand at constant temperature until its pressure reaches 0.596 atm. What is its final volume in mL?
The heat produced from the reaction of 10.0 g of Al (as in part a) was used to heat 500 g of water. The initial temperature of the water was 23 celcius. What was the final temperature of the water. Would the water boil
If the volume of gasoline vapor and air at 1.00 atm of pressure is gradually decreased from 78.0 mL to 39.0 mL. What is the final pressure of ammonia if there is no chage in temperature
The nitrix oxide molecule, NO,readily loses one electron to form the NO+ ion. Why is this consistent with the electronic structure of NO. Predict the order of the N-O bond strengths in NO, NO+ and NO- and describe the magnetic properties of each.
radiation with a 58.4 nm of wavelength interacts with a h2hydrogen atomand induces the ejection of an electron then
30mL of 0.90M NaCl added to 20 mL of H2O, What is the concentration of NaCl after the addiction
How many quartz of ethylene glycol, C2H6O2 (density = 1.116 g/mL). Will have to be added to 5 gal of water (density = 1 g/mL) to protect an automobile radiator down to a temperature of-10 oF?
an element is diamagnetic if it has no unpaired electrons. anelement is paramagnetic if it has unpaired electrons. if
When 0.062 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 200 milliliters of solution, how many ammonium ions are present.
tablets of ki were distributed to people living around chernobyl seven days after the nuclear reactor explosion
Coca-Cola while also using 5 mL diethylether to separate the organic and inorganic products. The theoretical yield should come out to be 0.5 g of 1-Phenyl-1,2-ethanediol
A sample of glucose contains 1.300x10^21 atoms of carbon.
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