Questions in chemistry

Questions in chemistry

[Free] Name two ways archaea differ from bacteria.

[Free] 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?

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

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

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

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

[Free] What is a direct combination reaction?

[Free] What is 1500 in scientific notation?

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

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