subject
Chemistry, 08.06.2021 22:40 VanBrocklin4706

What amount of heat will change 30 g of ice at -40°C to liquid water at 70°C?
A. 21.1 kJ
B. 8.7 kJ
C.2.5 kJ
D. 12.4 kJ

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 06:00
How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
Answers: 1
question
Chemistry, 22.06.2019 08:50
Draw metallic bonding if two copper
Answers: 2
question
Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
question
Chemistry, 22.06.2019 12:40
How does concentration affect reaction rate
Answers: 2
You know the right answer?
What amount of heat will change 30 g of ice at -40°C to liquid water at 70°C?
A. 21.1 kJ
Questions
question
English, 26.03.2021 20:10
question
Mathematics, 26.03.2021 20:10
question
Mathematics, 26.03.2021 20:10
question
Biology, 26.03.2021 20:10
question
Geography, 26.03.2021 20:10
Questions on the website: 13722365