Chemistry, 05.04.2021 19:00 madison1284
In a coffee-cup calorimeter, 100.0 g of H2O and 8.70 grams of Na3PO4 are added. The water had an initial temperature of 24.6 oC. After the dissolution of the sodium phosphate the temperature changed to 31.3 oC.
-Was the dissolution exothermic or endothermic? Explain.
-Calculate how much heat the water lost or gained.
Answers: 1
Chemistry, 21.06.2019 18:00
Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.
Answers: 1
Chemistry, 22.06.2019 09:20
What will most likely happen when two bromine atoms bond together?
Answers: 3
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 14:30
Which of the following describes a situation where competition between producers exists
Answers: 1
In a coffee-cup calorimeter, 100.0 g of H2O and 8.70 grams of Na3PO4 are added. The water had an ini...
Physics, 01.05.2021 01:50
Mathematics, 01.05.2021 01:50
Mathematics, 01.05.2021 01:50
History, 01.05.2021 01:50
Mathematics, 01.05.2021 01:50
Mathematics, 01.05.2021 01:50
Social Studies, 01.05.2021 01:50
Mathematics, 01.05.2021 02:00
Mathematics, 01.05.2021 02:00
Mathematics, 01.05.2021 02:00