Chemistry, 24.06.2019 19:30 bryanmcmillianjr
30 points calculate the number of moles of each element (number of moles of na & number of moles of cl) in nacl in the sample. (use your answer from part a as your starting point.) show your work. known: -17.44g (nacl sample) -molar mass = 58.44 (both) 17.44g nacl * 1 mol nacl/58.44g nacl = 0.298 (mol of nacl)
Answers: 1
Chemistry, 22.06.2019 06:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Chemistry, 22.06.2019 12:00
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
Answers: 1
Chemistry, 22.06.2019 21:30
While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars
Answers: 2
Chemistry, 23.06.2019 04:10
Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
Answers: 1
30 points calculate the number of moles of each element (number of moles of na & number of mole...
Biology, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
History, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
English, 16.10.2020 15:01
Social Studies, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
Mathematics, 16.10.2020 15:01
Biology, 16.10.2020 15:01
Chemistry, 16.10.2020 15:01