Answers: 3
Chemistry, 22.06.2019 12:40
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
Answers: 2
Chemistry, 22.06.2019 13:30
How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
Answers: 1
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Using the ideas from this section and the periodic table, choose the more reactive nonmetal.
Mathematics, 13.10.2019 02:01
Mathematics, 13.10.2019 02:01
Mathematics, 13.10.2019 02:01
Mathematics, 13.10.2019 02:01
Mathematics, 13.10.2019 02:01
Chemistry, 13.10.2019 02:01
Social Studies, 13.10.2019 02:01
Mathematics, 13.10.2019 02:01
History, 13.10.2019 02:01
Biology, 13.10.2019 02:01