Copper reacts with silver nitrate through a single replacement reaction. If 2.25 g of silver are produced from the reaction, how many moles of copper (II) nitrate are also produced? Cu + 2AgNO3 → Cu(NO3)2 + 2Ag

How air particles exert a pressure on the inside of the balloon

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)