Answer:
The substrate concentration reached Vmax
Explanation:
In this scenerio, further increase in the rate of reaction was prevented because the substrate concentration hit Vmax.
Beyond the Vmax, the substrate can no longer proceed.
- The substrate is the reactant on which the enzyme works on.
- Enzymes are natural organic chemical catalysts.
- Increasing the concentration of reactants is one of the known and proven ways to speed up the rate of reaction.
- Since we have limited amount of enzymes, once they all bound to the substrate, no further increase in the substrate will have an effect on the rate.
- At the optimum reaction point, all the available substrate will bond with the enzyme.
- Beyond this, the enzymes are saturated will not further any reaction.
Answer:
C) According to the second law of thermodynamics, not all energy from the burnt fuel is used to do work on the piston. It also produces heat which warms other parts of the car.
Explanation:
A) According to the fourth law of thermodynamics, the temperature of the other parts of the car increases due to the coolant used for the engine.
B) According to the first law of thermodynamics, the hood of the car heats up using heat from the surroundings in-order to achieve thermal equilibrium with the engine.
C) According to the second law of thermodynamics, not all energy from the burnt fuel is used to do work on the piston. It also produces heat which warms other parts of the car.
D) According to the third law of thermodynamics, the increase in the velocity of the car changes the entropy of the tires. To balance this change, the temperature of the other parts is increased.
An electromagnetic wave of a frequency between about 104<span> and 10</span>11<span> or 10</span>12<span> Hz, as used for long-distance communication</span>
Answer:
A
Explanation:
Please see the attached picture for the full solution.
Since we are only concerned about the decrease in gravitational potential energy of the car, we look at the decrease in height of the car as it moves from point X to point Y, instead of the distance travelled by the car.
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