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 17:50
You exhale co2 which is produced during cellular respiration. co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid. the more physical activity you engage in, the more co2 your body is producing. you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw. can you see a change in the color of the indicator?
Answers: 2
Chemistry, 23.06.2019 01:30
The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia
Answers: 2
Chemistry, 23.06.2019 12:00
Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.
Answers: 1
Chemistry, 23.06.2019 15:00
Does the formation of all chemical bonds is based on sharing of electrons?
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...
Geography, 15.06.2020 07:57
Mathematics, 15.06.2020 07:57
English, 15.06.2020 07:57
Chemistry, 15.06.2020 07:57
Mathematics, 15.06.2020 07:57
Spanish, 15.06.2020 07:57
Social Studies, 15.06.2020 07:57
English, 15.06.2020 07:57
Mathematics, 15.06.2020 07:57
Mathematics, 15.06.2020 07:57
Mathematics, 15.06.2020 07:57
Mathematics, 15.06.2020 07:57