If 5.0 grams of steel was heated from 11°C to 21°C, how much heat was absorbed by the steel? Specific heat of steel is 0.45 J/gºC
A. 12.5 J
B. 22.5 J
C. 25.5 J
D47.5 J

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Why is silver chloride is an ionic compound

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