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The three-dimensional structure of the eclipsed conformation and the staggered conformation of ethane Utilize plain lines, solid wedges, and dashed wedges
Anhydrous CaCl2 has a molecular weight of 110.1 g/mol. A hydrate of CaCl2 has a molecular weight of 219.1 g/mol. What is the formula of the hydrate
A 1.0 L buffer solution is 0.250 M LiC2H3O2 and 0.050 M HC2H3O2 . Which of the actions will destroy the buffer? (a)adding 0.050 moles of LiC2H3O2(b)adding 0.050 moles of HCl(c)adding 0.050 moles of HC2H3O2(d)adding 0.050 moles of NaOH.
What would be the osmotic pressure, in atm, produced by 0.30 M solution of potassium chloride (KCL) at 25 C? (R = 0.0821 L atm mol^-1) A) 14.68, B) 7.34, C) 3.67, D) 0.615, E) 0.131
A sample of neon effuses from a container in 77 seconds. The same amount of an unknown noble gas requires 157 seconds. identify the gas.
The weight of an object is the product of its mass, , and the acceleration of gravity, (where ). If an object's mass is , what is its weight.
Once, it is important that the level of the elution solvent not drop below the top of the adsorbent why? the absorbent is packed in a liquid chromatography column
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
in the experiment ligroin may be used as a solvent for the separation of the product from biphenyl.a. what is
The pressure and colume are simultaneously increased so that at every instant P and v are related by the equation, P = Av, where A is a constant.
Sodium chlorate,NaClO3, decomposes when heated to yield sodium chloride and oxygen, a reaction used to provide oxygen for the emergency breathing masks in many airliners
When mercury is at temperatures below its freezing point it has a simple cubic unit cell. How many atoms of Hg are present in each unit cell?
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