C can be the only correct answer - 6.023 x 10^23 is the amount of molecules in a mol of an element. 4.5 x 6.023 x 10^23 can not equal anything but C.
4.5 x 6.023 x 10^23 = 2.71035 x 10^24
2-ethyl-4,4 -dimethyl hex-1-ene.
More than likely, your seeing a chemical reaction. The bubbles that are forming are caused by two compounds interacting with each other.
Answer:
D
Explanation:
A beaker can be used for boiling coz it can withstand high temperatures.
It can be used for measuring the volume of a solid indirectly by measuring the displacement of a liquid.
It can as well be used for mixing coz it flat bottomed
Answer:
they are in group II and they have two electrons in their outermost energy levels ( valency)...is this helpful?
