Which equation best represents a Single Replacement reaction that can occur?

2Cu + FeSO4 = Fe + Cu2SO4
Ag + KNO3 = K + AgNO3
I2 + MgCl2 = Cl2 + MgI2
K + NaF = KF + 2Na

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments