Using solubility rules, determine if the following compounds are soluble in water.

(match)

insoluble

soluble

A. Ca (NO3) 2

B. Mg3 (PO4) 2

You have seven closed containers, each with equal masses of chlorine gas (cl2). you add 10.0 g of sodium to the first sample, 20.0 g of sodium to the second sample, and so on (adding 70.0g of sodium to the seventh sample).

Define Oxidation number. Find the Oxidation number of a. Carbon in CO2. b. Sulfur in H2SO4. c. Phosphorus in PO4 3 - d. Manganese in MnO4 2-

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What would happen when a substance changes from one phase to another? A. The substance loses or gains heat. B. The average kinetic energy of the substance changes. C. The temperature of the substance changes. D.

Dolphins communicate using compression waves (longitudinal waves). Some of the sounds dolphins make are outside the range of human hearing. Upon spotting a hungry shark, dolphin A sends a message to dolphin B.

True or false forensic technicians receive OSHA data sheets regarding toxic chemicals they deal with in their lab.

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Where do most carbon monoxide emissions come from?

The osmotic pressure exerted by a solution is equal to the molarity multiplied by the absolute temperature and the gas constant RSuppose the osmotic pressure of a certain solution is measured to be 22. atm at an absolute temperature of 353.

Which one of the following is a redox reaction?. 2 Na (g) + Cl2 (g) 2 NaCl (s) A. K2Cr2O7 (aq) + 2 KOH (aq) 2 K2CrO4 (aq) + H2O (l) B. H2O (l) H + (aq) + OH - (aq) C. Na2CO3 (s) + 2 HCl (aq) 2 NaCl (aq) + CO2 (g) + H2O (l) D.