Which statement best describes a human influence on the biogeochemical cycles? increased eutrophication caused by high levels of nitrogen and phosphorous increased nitrates available due to inaccurate methods of denitrification increased global warming due to alternative energy sources increased amount of water that is available to freshwater ecosystems

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