<h2>The required "option is b) potential energy".</h2>
Explanation:
- The energy which is associated with the motion of the object is called kinetic energy.
- The energy which is associated with the amount of heat released is known as thermal energy.
- The energy which is released during a chemical reaction is known as chemical energy.
Therefore, option (a), (c), and (d) are incorrect.
- The energy which is possessed by a stationary object or associated with the position of an object is called as potential energy.
- Hence, the correct option is potential energy.
Answer:
C Condensation of water vapor
Explanation:
One of the components of the atmosphere is water vapour. Water vapour is always present in air.
This water vapour may combine with particles of dust and smoke and condense around them to form clouds.
As more water vapour condenses and coalesces, the clouds become thicker and precipitation eventually follows.
Answer:
(b) 1 equivalent
Step-by-step explanation:
Concentration is the relative amount of a substance in a given volume or mass of something else.
An equivalent is not a concentration, because it is just a mass —the mass of a substance needed to react with or supply one gram of hydrogen.
(a) is <em>wrong</em>. 1 M means that there is 1 mol of a substance in 1 L of solution.
(c) is <em>wrong</em>. 1 % by mass that there is 1 g of a substance in 100 g of the mixture.
(d) is <em>wrong</em>. 1 m means that there is 1 mol of a substance in 1 kg of solvent.
<span>The isotopes of bromine are Bromine-79 and Bromine-81. Bromine-79 has 35 protons and 44 neutrons while bromine-81 has 35 protons and 46 neutrons. They are represented as Br-79 and Br-81.</span>
