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Question- If a small cube shape of a diamond was cut and weighs 1.49x10^3 mg, and has sides that cut measure 20.9 mm by 11.1 mm by 12.0 mm, what is the density of the diamond cube in g/cm^3?
1) When sulfuric acid and copper (II) oxide is allowed to react, copper (II) sulfate and water are formed. Write a balanced equation for this reaction.
Kindly illustrate work esp for the second we just started and I don't quite understand balancing yet.
What's the reaction mechanism when n-butyl acetate reacts with sodium bromide to form n-buytl bromide
Lithium iodide (LiI) has a heat of formation of -272 kJ/mol and a lattice energy of -753 kJ/mol. The ionization energy of Li(g) is 520 kJ/mol, the bond energy of I2(g) is 151 kJ/mol, and the electron affinity of I(g) is -295 kJ/mol.
Presuming that no heat is lost to the cup or the surroundings, explain what will the final temperature of the water be. Define the specific heat capacity of iron= 0.449 J/g degree C and water = 4.18 J/g degree C.
Electrons with a maximum KE of 3.00 eV are ejected from a metal surface by ultraviolet radiation of wavelengh 150 nm. Determine the work function of the metal and the threshold wavelength of the metal
A reaction is stereoselective when one stereoisomer is formed more than another.
What volume of 5.00 x 103 M HNO3 is needed to titrate 100.00 mL of 5.00 x 103 M Ca(OH)2 to the equivalence point
Magnesium ions can be precipitated from seawater by the addition of sodium hydroxide. How much sodium hydroxide in grams must be added to a sample of seawater to completely precipitate the 82.0 mg of magnesium present
An unit cell of CsCl was given. Chlorides are at the corners of a primitive cube with a cesium in the middle. Using the Cs atom as the origin calculate the first three terms of the Madelung constant for a CsCl crystal.
A clear container becomes a uniform color after a small amount of colored gas is added. A raindrop falls to earth.
Using triethylamine with alkyl halides such as iodoethane, 1-bromopropane, 2-bromopropane, describe how steric hindrance affects the rate of an Sn2 reactions. Use specific chemical examples to support the conclusion
The initial rates at various substrate concentrations for an enzyme-catalyzed reaction are as follows.
Calculate the attractive force (in Newtons) between a cation with a valence of +3 and an anion with a valence of -2, the centers
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