Given the unbalanced chemical equation below. What would be the coefficient of AgNO3? __AgNO3 + __H2S —> __Ag2S + __HNO3

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Which element is the least metallic between cadmium, silver, zinc, or iron?

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j