subject
Chemistry, 04.08.2020 23:01 jamarengle2

Part 1. Determine the molar mass of a 0.622-gram sample of gas having a volume of 2.4 L at 287 K and 0.850 atm. Show your work. Part 2. If this sample was placed under extremely low temperature, describe how the actual volume would compare to the predicted volume. Explain your answer.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
question
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) β‡Œ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) β†’ co2(g) k=1.363Γ—10^69 b. 2 h2(g) + o2(g) β†’ 2 h2o(g) k=1.389Γ—10^80 c. 2co(g) + o2 (g) β†’ 2 co2(g) k=1.477Γ—10^90
Answers: 1
question
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eβˆ’β†½βˆ’βˆ’β‡€cu(s)pb2+(aq)+2eβˆ’β†½βˆ’βˆ’β‡€pb(s)fe3+(aq)+3eβˆ’β†½βˆ’βˆ’β‡€fe(=6.2Γ—108=4.0Γ—10βˆ’5=9.3Γ—10βˆ’3 cu + ( aq ) + e βˆ’ ↽ βˆ’ βˆ’ ⇀ cu ( s ) k =6.2Γ— 10 8 pb 2 + ( aq ) +2 e βˆ’ ↽ βˆ’ βˆ’ ⇀ pb ( s ) k =4.0Γ— 10 βˆ’ 5 fe 3 + ( aq ) +3 e βˆ’ ↽ βˆ’ βˆ’ ⇀ fe ( s ) k =9.3Γ— 10 βˆ’ 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
question
Chemistry, 22.06.2019 17:30
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
You know the right answer?
Part 1. Determine the molar mass of a 0.622-gram sample of gas having a volume of 2.4 L at 287 K and...
Questions
question
Mathematics, 03.07.2019 03:30
question
Mathematics, 03.07.2019 03:30