Ihave a balanced equation. i can convert moles of one substance to moles of another substance using the ratio as a unit factor

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

What is the force of an object when it landed(sitting in the ground)