Batteries being galvanic cells and the use of hydrogen-oxygen by the U.S. space program to produce power for its spacecraft are given. The concept behind the working of fuel cells and battery is to be stated. Concept introduction: Batteries are a combination of galvanic cells. Just like galvanic cell, the value of cell potential decreases as the battery discharges and attains the zero value at equilibrium. Fuel cells are also used for the generation of electricity. The hydrogen-oxygen fuel cells are used for the power generation in the spacecraft and they are eco-friendly. To determine: The effect of discharge of battery over E cell ; effect of equilibrium over the system and; similarities and differences between battery and fuel cells; the concept of hydrogen-oxygen fuel cell
Batteries being galvanic cells and the use of hydrogen-oxygen by the U.S. space program to produce power for its spacecraft are given. The concept behind the working of fuel cells and battery is to be stated. Concept introduction: Batteries are a combination of galvanic cells. Just like galvanic cell, the value of cell potential decreases as the battery discharges and attains the zero value at equilibrium. Fuel cells are also used for the generation of electricity. The hydrogen-oxygen fuel cells are used for the power generation in the spacecraft and they are eco-friendly. To determine: The effect of discharge of battery over E cell ; effect of equilibrium over the system and; similarities and differences between battery and fuel cells; the concept of hydrogen-oxygen fuel cell
Solution Summary: The author explains that batteries are galvanic cells and hydrogen-oxygen fuel cells are used for power generation in the spacecraft.
Batteries being galvanic cells and the use of hydrogen-oxygen by the U.S. space program to produce power for its spacecraft are given. The concept behind the working of fuel cells and battery is to be stated.
Concept introduction:
Batteries are a combination of galvanic cells. Just like galvanic cell, the value of cell potential decreases as the battery discharges and attains the zero value at equilibrium.
Fuel cells are also used for the generation of electricity. The hydrogen-oxygen fuel cells are used for the power generation in the spacecraft and they are eco-friendly.
To determine: The effect of discharge of battery over
Ecell; effect of equilibrium over the system and; similarities and differences between battery and fuel cells; the concept of hydrogen-oxygen fuel cell
Predict the product formed when the compound shown below undergoes a reaction with MCPBA in CH2Cl2. MCPBA is meta-chloroperoxybenzoic acid.
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Dimensional Analysis - Aktiv Chemistry
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Question 19 of 22
Polyethylene terephthalate (PET) is used in plastic water bottles. A water bottle has a
mass of 14.0 grams. Given a density of 1.38 g/cm³, what is the volume of the
plastic used to make the water bottle in cm³ ?
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100
14.0
0.01
10.1
1000
0.099
1.38
0.001
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A doctor gives a patient 10 Ci of beta radiation. How many betaparticles would the patient receive in 1 minute? (1 Ci = 3.7 x 1010d/s)
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