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Which compound of each set has the highest and lowest boiling point? Decribe the factors that mitigate these values. A) CH4, CH3CH3, CH3CH2CH3, CH3CH2CH2CH3 B) CH3Cl, CH2Cl2, CHCl3, CCl4
Find the volume in cubic centimeters of a box 25 mm x 12 cm x 0.20 m. How many grams of water should the box hold. The density of water is 1 g/mL and 1 cubic centimeter equals 1 mL.
A solution is made by dissolving 535 mg of this protein in 10.0 mL water. Calculate the osmotic pressure of this solution at 37.0°C in mm Hg.
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
How much Tris (1.0 M) (MW: 121.1 g/mol) and EDTA (0.2M) (MW: 372.2 ) solutions are used to prepare a 100ml of TE buffer (10mM Tris and 1mM EDTA)
Determine the angle for the first-order diffraction of xrays with lambda=362 pm, reflected from planes in mica (a silicate mineral) separated by 997 pm
Calculate the molarity of a solution made by dissolving 0.850 grams of Na2SO4 in enough water to form exactly 930 mL of solution.
If a contemporary wooden chair were somehow preserved to for the next 3,900 years, what C-14 dacay rate should be expected from the wood used to make the chair? (t1/2 = 5730)
James needs a 0.600 M solution of KCL. He measures out 0.600 g of KCL and adds 1 L of water to the solid.
Rank the fluorine species from most to least stable. To rank items as equivalent, overlap them.
Water molecules change their states between the liquid and gaseous states. A.only when water vapour is saturated B.at all times becauseevaporation and condensationoccur any time C
The partial charge on the phosphorus atom in the PO4(-3) ion is +2.52. What is the partial charge on each oxygen atom
An essential amino acid is one that you cannot make at a rate consistent with the normal growth and maintenance, which of the following sets consists of only essential amino acids
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