Answer:
water,salt are the house hold items
Answer: The enthalpy change for formation of butane is -125 kJ/mol
Explanation:
The balanced chemical reaction is,
The expression for enthalpy change is,
Putting the values we get :
Thus enthalpy change for formation of butane is -125 kJ/mol
The terms that apply to this silver necklace are:
pure chemical substance
element
The necklace consists purely of silver, making it a pure chemical substance; moreover, silver itself is an element, not a compound. Therefore, the term element is also fitting for the necklace.
Depending on the type of pea, the peas should come to the top as they are lighter and larger. Then just scoop or brush them off into another container. If you separate it into smaller batches and work them one by one, you should then find you get pure rice batches left which you can put in their own container.
Explanation:
The name alkyne which includes the letters "yne" means that there are three bonds attache to the carbon at the specified place. It is an unsaturated hydrocarbon because it contains a triple bond.
For example, 3-heptyne is a seven membered carbon chain with a triple bond at carbon 3.
The formula of 3-heptyne is as follows.
