Which element would be the most suitable to make a spoon that will melt in your hot drinks?
A) aluminium
melting point: 660°C
boiling point: 2470°C

B) argon
melting point: -189°C
boiling point:-186°C

C) bromine
melting point: -7°C
boiling point: 59°C

D) gallium
melting point: 30°C
boiling point: 2400°C

E) lithium
melting point: 180°C
boiling point: 1330°C

F)mercury
melting point: -39°C
boiling point:357°C​

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa