Describe the graph of the cooling curve of water (in terms of time heat is added vs temperature) PLEASEEE HELP

How have the greenhouse gasses increased from the year 2000 to 2018

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag