25 points if you answer soon. Identify the balanced double displacement equation. CuCl2 + Fe ⟶ 2Cu + FeCI2 PbCl4 + 2Ca(OH)2 ⟶ 2CaCl2 + Pb(OH)4 CuCl2 + Fe ⟶ Cu + FeCI2 PbCl4 + 2Ca(OH)2 ⟶ 2CaCl2 + 4Pb(OH)

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer