How many grams of iron is 3.91 x 10^22 atoms of iron? (Report answer as a number rounded to one place past the decimal.)

(Picture of Periodic Table)

Which type of stress results when two plates push against one another? a. compression b. tension c. force d. shear

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Calculate the number of molecules present in 0.750 mol of mgo.