Question
What is the SI unit of energy?
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Answer
Joule.
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Why is following electronic configuration not correct for ground state of Cr atom?
(Atomic number = 24) 1s2 2s2 2p6 3s2 3p6 4s2 3d4.
(Atomic number = 24) 1s2 2s2 2p6 3s2 3p6 4s2 3d4.
For the reaction,
$2 Cl ( g ) \rightarrow Cl _2(g)$, what are the signs of $\Delta H$ and $\Delta S ?$
→$2 Cl ( g ) \rightarrow Cl _2(g)$, what are the signs of $\Delta H$ and $\Delta S ?$
Why is potassium a highly reactive metal, whereas gold is a noble metal?
The quantum numbers of six electrons are given below. Arrange them in order of increasing energies. If any of these combination(s) has/have the same energy lists :
→→| 1. | $n=4$ | $l=2$ | $m_l=-2$ | $m_s=-\frac{1}{2}$ |
| 2. | $n=3$ | $l=2$ | $m_l=1$ | $m_s=+\frac{1}{2}$ |
| 3. | $n=4$ | $l=1$ | $m_l=0$ | $m_s=+\frac{1}{2}$ |
| 4. | $n=3$ | $l=2$ | $m_l=-2$ | $m_s=-\frac{1}{2}$ |
| 5. | $n=3$ | $l=1$ | $m_l=-1$ | $m_s=+\frac{1}{2}$ |
| 6. | $n=4$ | $l=1$ | $m_l=0$ | $m_s=+\frac{1}{2}$ |
Write the name of cell in which chemical energy is converted into electrical energy.
Write expression of Kp for the reaction:
$\text{N}_2\text{O(g)}\rightleftharpoons2\text{NO}_2(\text{g})$
→$\text{N}_2\text{O(g)}\rightleftharpoons2\text{NO}_2(\text{g})$
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