The first element was full brittle and did not conduct heat​

What happens to energy in an open system?

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?