Change this balanced, chemical equation into a worded equation.  Please use the word “plus” in place of the + symbol and the word “forms” in place of the arrow symbol.2C + O2 –> 2CO

Express the sum of the following equation to the correct amount of significant figures. 14.4 + 32.81 + 680 = ??

How many valence electrons are present in the element with the following ground stateelectron configuration?                                            1s2 2s2 2p1

Express the sum of the following equation to the correct amount of significant figures. 16 + 789.036 + 83.87 = ??

Balance the following equation: Al + H2SO4 –> Al2(SO4)3 + H2

How many moles of Al will be consumed when 0.400 mol of Al2O3 are produced in the following equation?  Remember to include units.  Answer to 3 sig figs and show your work for partial credit. 4Al + 3O2 –> 2Al2O3

Name the compound represented by the following image containing one black atom and four purple atoms. Black (B) = carbon    Purple (P) = chlorine

Which element is more electronegative in the chemical formula H3PO4?

What is the molar mass of Ag2CO3? Show your work for partial credit. Remember to include units. Answer to 4 sig figs.

Expand the number 4.317 x 10-4 from scientific notation.