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(i) It having of dissimilar bright lines.
(ii) It is given by an excited source in atomic state.
(iii)E.g. Spectrum of excited helium, mercury vapours sodium vapours or atomic hydrogen.
(a) Using the thermochemical tables provided, calculate the standard molar enthalpy of combustion at 298 K for the following hydrocarbon: C C 2 H 4 (g ) (ethene) (b) If
3 scenarios: You have an object such as a jar, and you submerge it under water to 50m depth. (Every 10m down increases pressure by 1 bar, thus the pressure is 5 bar). Scenario 1:
Q. If a single force acts on an object, the object accelerates. yse it is definately true. Newton's second law.
Air Resistance Force (Fair) : special type of frictional force that acts upon objects as they travel by the air. Force of air resistance is often observed to oppose the motion of a
With the aid of a diagram, explain why the use of long narrow crystals is not optimal for spatial resolution as you move away from the centre of the field-of-view. Is the degradati
The average speed of a substance in a given interval of time is described as the ratio of the distance completed to the time taken while; average velocity is described as the ratio
Explain the Diagramming Waves? There are two ways that waves can be indicated in a two-dimensional diagram. Parallel lines can be drawn that are meant to show the position of
The voltage across the terminals of a cell when it is supplying current to external resistance is known as potential difference or final voltage. Potential energy dissimilarity is
si el numero atomico del sodio es 11 y su numero de masa es 22,diga¿cuantos electrones,protones y neutrones respectivamente,tiene su atomo neutro?
A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: a) All converted into h
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