How much heat is required to increase the temperature of 20 grams of water by 26 degrees celsius?

What happens to the atomic radius when an elctron is lost

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

How many neutrons does an element have if its atomic number is 50 and its mass number is 166