A
Light, which is electromagnetic waves are produced or absorbed when an electron in atom releases or absorbs a photon equivalent to the ‘jump’ in orbital levels in the atom. The light rarely, therefore, interacts with the nucleus of the atoms where strong nuclear energy exists. Nuclear energy result when a neutron is bombarded to the nucleus of other atoms causing it to split into other atoms and particles
Explanation:
The other choices are possible. The transformation of energy is nonetheless never 100% efficient. Some energy is lost to the environment, mainly as heat energy, during the transformation. However not energy is created or destroyed in the process hence observing the laws of thermodynamics.
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C6H6 is benzene, an organic compound. I would imagine it would be immiscible, since most organic compounds don’t dissolve in water very well.
Answer:
molarity of a solution = 1.192 M
Explanation:
- molarity [=] mol compound / L solution
∴ mass NaCl = 195 g
∴ molar mass NaCl = 58.44 g/mol
⇒ moles NaCl = (195 g)*(mol/58.44 g) = 3.34 mol
∴ Volumen solution = 2.8 L
⇒ Molarity NaCl solution = (3.34 mol)/(2.8 L) = 1.192 M
Answer;
-Chlorine is more reactive than silicon
Explanation;
-As you move across a period, the nuclear charge will increase; the number of energy levels will stay the same, so there is a stronger and stronger attraction for the electrons.
-The electrons are being held more tightly as you move across a period. It becomes more and more difficult to lose electrons and consequently the reactivity of non metals increases as you go from left to right across the periodic table; Therefore; chlorine is more reactive than silicon.