Calcium carbonate is a compound that is used to make chalk for drawing on rocks repavement one molecule has one adam of calcium one adam of carbon in three adams of oxygen which is the correct way to write the chemical formula for calcium carbonate

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Find the mass, in grams, of 5.00*10^23 molecules of f2

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback