Chemistry, 07.07.2019 21:30 Basicwhitegirl1
Ascientist carried out several different procedures, each of which caused a change in matter. select each procedure that is likely a chemical change. {1}salt crystals were crushed into a fine powder. {2}bubbles were produced when iron was placed in acid. {3}two liquids were combined, and a solid appeared. {4}a piece of metal melted when it was heated. {5}a white substance turned blue when water was added.
Answers: 1
Chemistry, 21.06.2019 22:00, juansantos7b
Which of the following statements is true about planck’s law
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Chemistry, 22.06.2019 03:30, tbeck225
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 17:30, latezwardjr15
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
Ascientist carried out several different procedures, each of which caused a change in matter. select...