2AgNO3 + Cu --> Cu(NO3)2 + 2Ag. 1. what mass of silver is produced from 1.57 moles of Cu. 2. what mass of silver is produced from 100 g of Cu. 3. how many moles of copper is needed to produce 29.5g of silver. 4. how many grams of copper is this.​

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space