A cube of gold-colored metal with a volume of 59 cm³ has a mass of 980 g. The density of pure gold is 19.3 g/cm cubed. Is the metal pure gold? Show your work to justify your answer.

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2