Sort the following compounds into two lists - those that are soluble in water, and those that are insoluble.

sodium chloride, lead(II) sulfate, zinc nitrate, calcium
carbonate, iron(III) sulfate, lead(II) chloride, potassium sulfate,
copper(ll) carbonate, silver chloride, aluminium nitrate,
barium sulfate, ammonium chloride, magnesium nitrate,
calcium sulfate, sodium phosphate, nickel(II) carbonate,
chromium(III) hydroxide, potassium dichromate(VI)

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Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

Identify the decay mode particle emitted from the th 234

Suppose a pair of chemical compounds a and b can react in two different ways: a + b -> c reaction 1 gives product c. a + b -> d reaction 2 gives product d. the following facts are known about the two reactions: . reaction 1 is endothermic and reaction 2 is exothermic. if a reaction vessel is charged (filled) with a and b , then at first d is produced faster than c. use these facts to sketch a qualitative reaction energy diagram for both reactions. note: because these sketches are only qualitative, the energies don? t have to be exact. they only have to have the right relationship to each other. for example, if one energy is less than another, that fact should be clear in your sketch.