Answer: The following should be included in your description
• Zinc is the anode, and copper is the cathode
• The lemon flesh and juice provide the salt bridge and electrolyte solution
• Electrons flow from zinc to copper through the external wires
• Electrolytes flow in the lemon. Positive ions (cations) moved toward copper electrodes (cathodes), and negative ions (anions) move toward zinc electrodes (anodes). These balance the charges building up
• Two cells in series provide more energy output than one. The clock may need more energy than can be supplied by one cell
• Batteries do not need external source of reactants, whereas a fuel cell must be supplied with reactants
Explanation: Edg 2021
Which of the following is a pure substance?
Chlorine B. salt solution C. bronze D. salad dressing
What is the boiling point of pure water?
About 1000 C B. exactly 1000 C C. it varies D. slightly above 1000 C
Which is an example of a chemical change?
Water evaporating B. butter melting C. match burning D. powder being made
Which of these indicate a chemical change?
Color change B. temperature change C. gas-forming D. all of the above
Which of these is an impure substance?
Tap water B. gold C. carbon dioxide D. boron
Answer:
1. B
2. 100 C
3. C
4. D
5. D
Explanation:
The
of a chemical reaction is the maximum amount of product that can be produced
Answer= Maximum amount of product that could be obtained under ideal conditions from a given amount of reactants.
Explanation:
The theoretical yields is the ideal maximum amount of a product that can be produced during a chemical reaction while the limiting reactant is the reactant that determines the maximum amount of product that can be formed. mitgliedd1 and 61 more users found this answer helpful.
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