Chemistry, 29.05.2020 03:03 jdjdjdjdjjffi7273
You can scratch graphite with your fingernail. What does this tell you about graphite? A. It breaks easily. B. It’s not very hard. C. It’s not very lustrous. D. It doesn’t have much texture.
Answers: 1
Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 2
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Chemistry, 22.06.2019 23:30
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 00:00
The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
Answers: 1
You can scratch graphite with your fingernail. What does this tell you about graphite? A. It breaks...
Social Studies, 09.12.2020 20:30
Mathematics, 09.12.2020 20:30
History, 09.12.2020 20:30
English, 09.12.2020 20:30
Mathematics, 09.12.2020 20:30
Mathematics, 09.12.2020 20:30