The buoyancy force on a floating object is: (select all that apply)

• equal to the volume of the object
•greater than the weight of the object
•less than the weight of the object
•equal to the weight of the water displaced

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?