Chemistry, 13.11.2020 20:00 Nathaliasmiles
Which observation is the best indication that a chemical reaction has occurred?
A. Change in temperature
B. Presence of ashes
C. Change from liquid to gas
D. Absence of fizzing
Answers: 3
Chemistry, 22.06.2019 09:50
Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
Answers: 2
Chemistry, 22.06.2019 14:50
Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.
Answers: 2
Which observation is the best indication that a chemical reaction has occurred?
A. Change in temper...
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