How many grams of sodium metal are needed to react completely with 25.8 liters of chlorine gas at 293 kelvin and 1.30 atmospheres?

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

What is the polyatamic ion of borate

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)