Chemistry, 06.11.2019 00:31 kayltosh2729
The same heat transfer into identical masses of different substances produces different temperature changes. calculate the final temperature when 1.00 kcal of heat transfers into 1.00 kg of the following, originally at 20.0ºc : (a) water; (b) concrete; (c) steel; and (d) mercury.
Answers: 2
Chemistry, 22.06.2019 08:30
Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution
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Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
The same heat transfer into identical masses of different substances produces different temperature...
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