Chemistry, 11.03.2020 10:31, bryanmcmillianjr
An aluminum block of mass 0.5kg at 90 degrees Celsius is put into a beaker of water of mass 2kg at 20 degrees Celsius. What is the final temperature of the metal and water? Given that the specific heat capacities of aluminum and water are 900 J/kg degrees Celsius and 4200 J/kg degrees Celsius respectively, and there is no energy loss to the surroundings.
Answers: 3
Chemistry, 22.06.2019 17:00, abbygailgo674
How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process
Answers: 1
Chemistry, 22.06.2019 18:20, juansebas35
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
Answers: 2
Chemistry, 22.06.2019 21:20, jordan2875
If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
Answers: 1
An aluminum block of mass 0.5kg at 90 degrees Celsius is put into a beaker of water of mass 2kg at 2...
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