Answer:
Explanation:
Let assume that each gas behaves ideally, the total pressure is the sum of the pressures of each gas. Therefore:
The rate law for this reaction is [A]².
Balanced chemical reaction used in this experiment: A + B → P
The reaction rate is the speed at which reactants are converted into products.
Comparing first and second experiment, there is no change in initial rate. The concentration of reactant B is increased by double. Initial rate does not depands on concentration of reactant B.
Comparing first and third experiment, initial rate is nine times greater, while concentration of reactant A is three times greater. Conclusion is that concentration of reactant A is squared and the rate is [A]².
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Answer:
Option B
Explanation:
Given elements are F, S, Ca, K
Assuming that the order of ionization energies is asked for first ionization energy
Ionization energy is defined as the minimum energy required to remove an electron from its valence shell
Among these elements K will have least ionization energy because it requires minimum energy to remove an electron form its outer most shell as after removing the valence electron it will gain octet configuration, therefore it wants to loose that valence electron
Among the given elements F has maximum ionization energy because of its small size and high nuclear charge and due to this maximum amount of energy is required to remove the valence electron
While comparing between Ca and S, S has maximum ionization energy because of its small size and high nuclear charge
∴ Order is K < Ca < S < F
ANSWER:
Potential energy due to the position of an object above Earth's surface is called gravitational potential energy.
EXPLANATION:
Gravitational energy is the potential energy compared with gravitational force, as work is needed to further things against Earth’s gravity. The potential energy due to high positions is called gravitational potential energy, and is evidenced by water in an elevated storage or kept behind a dam. If an article falls from one point to different point inside a gravitational field, the force of gravitation will do actual work on the object, and the gravitational potential energy will decrease by the same amount.
