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Ok I have figured out H2, CH4 NH3, H2O, and CO2, but I am having trouble with the rest. Please help
What is the formula, the lewis structure, #of valance electrons, Molecular Geometry, Make a 3D drawing and is it Polar or non polar for the following Molecular species; H2---done CH4---done NH3---done H2O---done O2 N2 CO2---done
An ideal monatomic gas undergoes an isothermal expansion. It is correct to affir
An ideal monatomic gas undergoes an isothermal expansion. It is correct to affirm that its entropy A) decreases. B) remains unchanged. C) increases. D) cannot be predicted with the data given.
An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What
An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What is the change in the internal energy of the athlete? A) -225 kJ B) -1075 kJ C) 1075 kJ D) 225 kJ E) 276 kJ
1.50 moles of an ideal monatomic gas are initially at a temperature of 317 K. If
1.50 moles of an ideal monatomic gas are initially at a temperature of 317 K. If the gas gains 2730 J of heat and performs 780 J of work, what is its final temperature? A) 359 K B) 421 K C) 526 K D) 687 K E) 756 K
A gas expands from an initial volume of 30.0 L to a final volume of 65.0 L at a
A gas expands from an initial volume of 30.0 L to a final volume of 65.0 L at a constant pressure of 110 kPa. How much work is done by the gas? A) 3.85 kJ B) 10.4 kJ C) 3850 kJ D) 10.4 MJ E) 3.85 MJ
3.0 moles of gas expand from an initial volume of 0.040 m3 to a final volume of
3.0 moles of gas expand from an initial volume of 0.040 m3 to a final volume of 0.085 m3 while the temperature of the gas is kept fixed at 300 K. How much work is done by the system? A) 5.6 kJ B) 6.6 kJ C) 7.6 kJ D) 8.6 kJ E) 14 kJ
A gas expands from an initial volume of 0.040 m3 and an initial pressure of 210
A gas expands from an initial volume of 0.040 m3 and an initial pressure of 210 kPa to a final volume of 0.065 m3 while its temperature is kept constant. How much work is done by the system? A) 3.7 kJ B) 4.1 kJ C) 5.3 kJ D) 5.6 kJ E) 7.9 kJ
A gas expands at constant temperature from an initial volume of 0.040 m3 and an
A gas expands at constant temperature from an initial volume of 0.040 m3 and an initial pressure of 210 kPa until its pressure drops to 135 kPa. How much work is done by the system? A) 3.0 kJ B) 3.7 kJ C) 4.1 kJ D) 5.6 kJ E) 7.9 kJ
A monatomic ideal gas with an initial pressure of 500 kPa and an initial volume
A monatomic ideal gas with an initial pressure of 500 kPa and an initial volume of 1.80 L expands isothermally to a final volume of 5.20 L. How much work is done on the gas in this process? A) 955 J B) 900 J C) 875 J D) 1570 J E) 1700 J
What is meant by "the heat death of the universe"?
What is meant by "the heat death of the universe"? A) The universe will end in a giant inferno. B) The universe will reach thermal equilibrium. C) Some day the sun will explode and we will all burn. D) Some day the sun will cease to provide electromagnetic radiation. E) The radiation from the stars will continuously heat up the universe.
Which of the following is a statement of the third law of thermodynamics?
Which of the following is a statement of the third law of thermodynamics? A) If two objects are in equilibrium with a third, then they are in thermal equilibrium with one another. B) The entropy of the universe cannot decrease. C) The entropy of the universe cannot increase. D) All reversible engines operating between the same two temperatures have the same effic
One of the most efficient engines built so far has the following characteristics
One of the most efficient engines built so far has the following characteristics: combustion chamber temperature = 1900°C, exhaust temperature = 430°C, 7.0 × 109 cal of fuel produces 1.4 × 1010 J of work in one hour. (a) What is the actual efficiency of this engine? (b) What is the Carnot efficiency of the engine? (c) What is the power o
A gas expands from an initial volume of 0.040 m3 to a final volume of 0.085 m3 w
A gas expands from an initial volume of 0.040 m3 to a final volume of 0.085 m3 while its pressure increases linearly with the volume (so that the process follows a straight-line path in a P-V diagram) from 110 kPa to 225 kPa. How much work is done by the system? A) 5.2 kJ B) 7.5 kJ C) 7.8 kJ D) 11 kJ E) 12 kJ
A 40.0-L container is divided into two equal parts by a rubber membrane. One hal
A 40.0-L container is divided into two equal parts by a rubber membrane. One half of the container has 1.50 moles of an ideal monatomic gas at 250 K, and the other half is a vacuum. The container is well insulated, so there is no exchange of heat with the surroundings. The membrane breaks, and eventually the gas reaches a new equilibrium condition occupying the entire volume. What i
How much heat is required to raise the temperature of 2 moles of an ideal monato
How much heat is required to raise the temperature of 2 moles of an ideal monatomic gas by 10 C° at constant volume? A) 249 J B) 416 J C) 208 J D) 200 J E) 125 J
A certain ideal gas has a molar specific heat at constant volume Cv = 7R/5. What
A certain ideal gas has a molar specific heat at constant volume Cv = 7R/5. What is its molar specific heat at constant pressure? A) 12R/5 B) 7R/3 C) 12R/7 D) 12R/5 E) 4R
20.0 L of a monatomic ideal gas at a pressure of 100 kPa expand adiabatically un
20.0 L of a monatomic ideal gas at a pressure of 100 kPa expand adiabatically until the volume doubles. What is the pressure in the gas at that point? A) 31.5 kPa B) 50.0 kPa C) 200 kPa D) 317 kPa E) 400 kPa
700 J of heat are added to 12 moles of an ideal monatomic gas at constant volume
700 J of heat are added to 12 moles of an ideal monatomic gas at constant volume. What is the change in temperature? A) 4.7 K B) 5.2 K C) 5.8 J D) 6.8 K E) 9.3 K
How much heat is required to increase the temperature of 1.70 moles of an ideal
How much heat is required to increase the temperature of 1.70 moles of an ideal monatomic gas by 23.0 K at constant pressure? A) 812 J B) 346 J C) 751 J D) 391 J E) 290 J
A monatomic ideal gas expands adiabatically from an initial volume of 72 L and a
A monatomic ideal gas expands adiabatically from an initial volume of 72 L and an initial temperature of 350 K until its temperature falls to 290 K. What is the final volume of the gas? A) 95 L B) 98 L C) 101 L D) 104 L E) 142 L
2.50 moles of a monatomic ideal gas expand adiabatically from an initial tempera
2.50 moles of a monatomic ideal gas expand adiabatically from an initial temperature of 300 K and an initial volume of 80.0 L to a final volume of 150 L. What is the final temperature of the gas? A) 840 K B) 563 K C) 426 K D) 287 K E) 197 K
A monatomic ideal gas at an initial temperature of 390 K is compressed adiabatic
A monatomic ideal gas at an initial temperature of 390 K is compressed adiabatically from an initial volume of 120 L to a final volume of 40.0 L. What is the final temperature of the gas? A) 124 K B) 811 K C) 610 K D) 775 K E) 820 K
A certain engine extracts 1300 J of heat from a hot temperature reservoir and di
A certain engine extracts 1300 J of heat from a hot temperature reservoir and discharges 700 J of heat to a cold temperature reservoir. What is the efficiency of this engine? A) 46% B) 54% C) 86% D) 27% E) 13%
A reversible engine operating between 500 K and 300 K has the same efficiency as
A reversible engine operating between 500 K and 300 K has the same efficiency as a reversible engine operating between 400 K and what lower temperature? A) 200 K B) 220 K C) 240 K D) 260 K E) 280 K
Having trouble on excel graphing the distillations
Hello if anyone could guide me or show me how they graph this on excel that would be great. I don't see the bins or ranges option in the excel 2011 version.
I am trying to graph a fractional and simple fractional distillation. With temperature on the x axis and volume in ml on the y. I don't know how to do the ranges in the x axis. Separation of unk
The Schrödinger equation yields an infinite number of solutions for the possible
The Schrödinger equation yields an infinite number of solutions for the possible location of an electron in a hydrogen atom. Each of these solutions has a(n) _______ and a(n) __________ . The solutions from the Schrödinger equation are labeled by ___________ .
The Group IIIA elements (sometimes noted Group 13) through the Group VIIIA (some
The Group IIIA elements (sometimes noted Group 13) through the Group VIIIA (sometimes noted Group 18) elements form an area of the periodic table where the electron sublevels being filled are...
1. f orbitals 2. p orbitals 3. d orbitals 4. s and p orbitals 5. p and d orbitals
Consider the solution to the Schrodinger equation involving a single particle in
Consider the solution to the Schrodinger equation involving a single particle in a one-dimensional box. If all other variables were unchanged, decreasing the length (L) of the box from 400 nm to 200 nm would _________ the energy (E) of the particle. If all other variables were the same, a particle of mass 3 x 10-24 kg would have ___________ energy as a particle of mass 6
One of the boundary conditions for Particle in a Box is that the box's walls hav
One of the boundary conditions for Particle in a Box is that the box's walls have ___________ potential energy, and a result the particle has __________ probability of being found at the walls.
Suppose I wanted to calculate the pH of the acid used in this titration. How (explain) can I use the results from this experiment to do this? What would the pH be in this case? Show all work.
In a titration, assuming it is carried out just like the one in this lab exercise, how do you determine the number of moles of acid used? How do you then use this information to determine the concentration of the acid? Explain in detail, showing all work.
