Which of the following is most likely an indication of a chemical change?
A. A loud sound when an MP3 player is turned on
B. A loud sound when someone claps their hands
C. A loud sound when a starter's pistol is fired at a race
D. A loud sound when a large object falls to the ground
Answers: 1
Chemistry, 23.06.2019 04:00, winterblanco
If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?
Answers: 1
Chemistry, 23.06.2019 06:30, aurikmah2005
Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.
Answers: 1
Which of the following is most likely an indication of a chemical change?
A. A loud soun...
A. A loud soun...
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