Answer:
1. Diamond
2. The Image to the far right. It's rice I believe.
Explanation:
A lustrous material is a material that shine or usually reflect light. Fire isn't a material and the powder is dull and doesn't shine. In this case the diamond is a lustrous material and not a metal.
An edible substance is anything thing that can be consumed as food. Soap is consumable and the blue picture is definetly not either so we conclude that the rice is the edible option.
Answer:
Alkanes
Explanation:
Compounds with a saturated hydrocarbon chain i.e having only single bonds between the atoms and is composed entirely of carbon and hydrogen is called as alkane.
The general formula of alkane is CnH2n+2.
Alkanes have no double or triple bonds and hence they have maximum number of carbon to hydrogen covalent bonds. While in case of alkenes there exists double bond and in case of alkynes exists triple bonds
Answer:
3
Explanation:
Step 1: RxN
Rb + P → Rb₃P
Step 2: Balance RxN
We will need 3 Rb's on both sides.
3Rb + P → Rb₃P
Mass of NaCl = moles x molar mass of NaCl
= 11 x 58.443
= 642.873 grams.
Hope this helps!
