Questions in chemistry

Questions in chemistry

[Done] Name two ways archaea differ from bacteria.

[Done] What is the maximum mass of methane (CH₄) that can be burned if only 1.0 g of oxygen is available? How do you figure it out?

[Done] Water in a pan over a radiator evaporates much faster than water in a pan on a table. Why does this happen?

[Done] Why is it correct to say seawater is a mixture?

[Done] How can you demonstrate that a piece of chalk has mass?

[Done] Is a pot holder a conductor or an insulator?

[Done] What is a direct combination reaction?

[Done] What is 1500 in scientific notation?

[Done] If solution A has twice as much solute as solution B, is it possible for the solutions to have the same concentration?

[Done] How many minutes are there in an average lifetime of 70.0 years? Assume that [tex]1 \, \text{yr} = 365.25 \, \text{days}[/tex].