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You are given a jar containing a mixture of three different solid substances. The particles of each substance are larger than 0.5 cm in diameter. All you know about the substances is that each is a pure metal. Describe a method for determining the identities of the metals that make up the mixture. Assume that each metal is a different color, so you can tell one from the others.
Beta-carotene is organge. This means it absorbs blue lgiht. It has conjguated systme which allows the pi-electrons to delocalize over teh length of the molecule.
Identify the product of the nuclear reaction by providing its atomic number symbol, mass number, and atomic number.
Consider the following species with tetrahedral electron-pair geometries and select the species with the smallest predicted bond angles.
for 100 degrees had 2 layers which showed the seperation between ether and water. What would be the problem with running TLC to characterize the distillate samples?
sodium carbonate na2co3 can be produced by heating sodium bicarbonate nahco3. a student heats 5.128 g sodium
A solution is prepared by dissolving 14.7 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 56.00 mL of water.
Calculate the pH after the following amounts of NaOH are added. A) 0mL NaOH added( before the titration started)
a 0.4196 grams xhx mole fraction of hx solution of an acid hx has a density 1.141 gml and the molar mass of the acid
Iron(III) in water reacts with Hydrochloric acid B. Iron(III) in water reacts with Ammonium Hydroxide Then identify the geometry of the iron(III) complex in water and the complex ions produced in the above reactions
Find the temperature capable of expanding 2.500 liters of chlorine at 18.00°C and 0.9000 atm to 5.200 liters. No change in pressure took place.
Elemental analysis is performed on an organic liquid with a fishy odor. Vaporization of 275.0 mg of the compound in a 190-mL bulb at 110°C gives a pressure of 400.0 torr. What is the molar mass of this compound? Enter units.
The spatial relationship between the hydrogen on C-1 and the hydrogen on C-2 in the most stable chair conformation is: gauche, eclipsed with a 0 degree dihedral angle, eclipsed with a 120 degree dihedral angle, anti
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