By analogy write the chemical equation of lithium and potassium reacting with water. can you also explain why please, my teacher isn't good at explaining things

In this reaction n2o4(g)→2no2(g) what changes in color would you expect as pressure is increased at a constant temperature

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When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign