0.5 Liters of a 5 M Calcium Nitrate, Ca(NO3)2, are reacted with excess
Potassium Carbonate, K2CO3 in a double displacement reaction. How Many moles of Calcium Nitrate react?

Which statement best explains why an object weight less on mercury than it does on earth

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.