Answer:
<em>number of moles of gas increases the volume also increases.</em>
Answer:
Organic compounds: C₃H₆, and C₂H₂.
Inorganic compounds: NaS, SO₂, and HI.
Explanation:
Organic compounds are the molecules that have a carbon backbone with hydrogen atoms in its structure.
While, inorganic molecules are composed of other elements. They can contain hydrogen or carbon, but if they have both, they are organic.
<em>So:</em>
<em>Organic compounds are C₃H₆, and C₂H₂.</em>
<em>Inorganic compounds are NaS, SO₂, and HI.</em>
Answer:
single replacement reaction is type of reaction is Au2S+H2---> 2Au+H2S.
Answer:
option A= Physical change
Explanation:
physical change:
" It is a change in which no new substance is formed"
Breaking of object like glass is the example of physical change because it is not change into another object. It effect the form of object but can not change the chemical composition.
Chemical changes:
" it is a change in which one substance is converted into new product through chemical reaction".
During the chemical changes the types and the number of atom remain same but their arrangement changed.
for example: burning of wood, baking of cake, digesting food, resting of iron etc.
Physical reaction:
" physical reaction occur during the molecular rearrangement. There is no chemical change occur"
In this type of changes no bonds are break to form new bonds, for example boiling point.
Chemical reaction:
" chemical reaction occur when molecules are chemically react with each others and bonds formation and breaking is also occur"
<span>it is an exothermic process as the heat is released from the system and ΔH < 0
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