A scientist carried out several different procedures, each of which caused a change in matter. Select each procedure that is likely a chemical
change.
Salt crystals were crushed into a fine powder.
оос
Bubbles were produced when iron was placed in acid.
Two liquids were combined, and a solid appeared.
A piece of metal melted when it was heated.
OO
A white substance turned blue when water was added.
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Chemistry, 21.06.2019 19:00
0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?
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Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?
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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
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