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(1)Explain why a beaker filled with water at 4 degree celcius overflows if the temperature is decreased or increased
(2)Mercury boils at a temperature of 357Degree Celcius. How then can mercury thermometers be used to measure temperatures up to 500 Deg Celcius ?
(3)Two thermometers are constructed in the same way except that one has a spherical bulb and the other has a cylindrical bulb. whic one will respond quickly to temperature changes?
how many molecules of hydrogen are contained in hydrate
When the two substances reach thermal equilibrium, the final temperature is 24.2 degrees celcius. What is the mass of the copper block?
If a student determined that the circumference of a balloon filled by the boiling point of liquid nitrogen was 45 cm, what volume of nitrogen gas has been generated?
Which of the subsequent pairs of compounds would be most easily separated by thin layer chromatography: n-octyl alcohol and1-octene, hexadecane and octadecane or chlorobenzene and bromobenzene
A 10 g sample of acetic acid, HC2H3O2 was burned in a bomb calorimeter in an excess of oxygen. The temperature of the calorimeter rose from 25 degree C to 35.84 degree C
How do you calculate the mass of KHC8H4O4 (molar mass=204.44 g/mol) that reacts with 15mL of NaOH solution
determine what is the atomic radius of each atom that composes it if a simple cubic unit cell has if the length 0.36
draw all constitutional isomers of c3h6o. for each of the constitutional isomers show possible stereoisomers. are the
The filterate is blue in color by the product of dissolving CuO. The filter was slightly blue after the CuO was filtered on to filter paper? d.) Not enough magnesium was added to remove all the blue color in the solution?
what is the value of k using the equation delta Grxn=-RTlnk? (Assume -R is equal to -8.314 and T is 298K)
If you a litre (1000mL) bottle of oil in your engine, how much heat is produced in kcal?In BTU To solve this problem you must know the density of motor oil is .82 g/mL.
Draw the structure of the product of the reaction between cyclohexene and O3 then (CH3)2S Indicate stereochemistry.
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