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A mixture of gases contains CO2 (at 0.22 atm), SO2 (at 44 mm Hg) and N2 (at 99 torr).  What is the total pressure of the gas mixture in atmospheres?

Write the complete electron configuration for the element calcium, Ca: Use the T2 function in the tool bar to show superscripts.

Write the name for Fe2O3 in the blank.

If 0.00886 moles of oxygen gs occupies 100.0 mL at 38o C, what is the pressure in atmospheres? Show your work below (use the math equation  function from the toolbar above if needed).

Calculate the % by mass of a solution containing 49.6 g of calcium chloride, CaCl2, in 275 g of water.

During which of the following should apnea monitoring be used for an infant?I. night timeII. breast feedingIII. napsIV. bathing

Select the bond that is MOST polar (HINT: has greatest 

Write the name for Ba(HS)2 in the blank.

Write the formula for hydrosulfuric acid.   Show the individual ions first with their charges.  To show superscripts, use the T2 function in the tool bar. Then show the formula for the acid compound.  To show subscripts, use the drop down next to T2 in order to get to T2 function on the tool bar. 2 Ion formulas = 2 pts Compound formula = 1 pt  

Round off the value  531,496.39 to keep 4 significant figures.  Write the answer in the box: