Chemistry, 16.10.2019 02:30, mdndndndj2981
You take an ice cube (mass = 18g) from the freezer (t=-10°c) and place it on the table. later that day, you notice a puddle of water on the table that has reached ambient room temperature (20°c). how much heat must have been absorbed to make this happen? a) 1867.0 j b) 2260.4 j c) 7897.0 j d) 42657.0 j
Answers: 3
Chemistry, 22.06.2019 23:30, sanociahnoel
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
Answers: 1
Chemistry, 23.06.2019 01:30, yarrito20011307
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chemistry, 23.06.2019 01:30, oliviacolaizzi
What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases
Answers: 1
Chemistry, 23.06.2019 02:40, sherlock19
How can a mixture of salt water be separated into salt and water
Answers: 1
You take an ice cube (mass = 18g) from the freezer (t=-10°c) and place it on the table. later that d...
History, 21.02.2021 19:40
Mathematics, 21.02.2021 19:40
English, 21.02.2021 19:40