Chlorgas
About points...
We associate a certain number of points with each exercise.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.
That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.
About difficulty...
We associate a certain difficulty with each exercise.
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.
That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:
Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise
Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise
Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise
Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise
Level 5 -
Level 6 -
Question
Solution
Short
Video
\(\LaTeX\)
Need help? Yes, please!
The following quantities appear in the problem:
Masse \(m\) / Temperatur \(T\) / Volumen \(V\) / Druck \(p\) / molare Masse \(M\) / Stoffmenge \(n\) / Dichte \(\varrho\) /
The following formulas must be used to solve the exercise:
\(\varrho = \dfrac{m}{V} \quad \) \(\frac{V_1}{T_1} = \frac{V_2}{T_2} \quad \) \(m = nM \quad \) \(pV = nRT \quad \)
No explanation / solution video for this exercise has yet been created.
But there is a video to a similar exercise:
In case your browser prevents YouTube embedding: https://youtu.be/Ej_qg3dzux8
But there is a video to a similar exercise:
Exercise:
Die Dichte von Chlorgas beträgt im Normzustand roaO. Welche Dichte hat das Gas bei TbO bei konstantem Druck?
Solution:
Geg rho_ roa T_ Tb T_ Ta GesDichter_obsikilogrampercubicmeter Für die Dichte gilt bei konstantem Druck rho fracmV &propto fracV. Da nach Gay-Lussac fracV_T_ fracV_T_ fracV_V_ fracT_T_ gilt kann man auch fracV_V_ fracrho_rho_ mboxund fracrho_rho_ fracT_T_ schreiben. Somit haben wir für die Dichte des Gases bei TbO T_bK TbKF Tb + . TbK r_ob fracT_T_bK rho_ fracT_TbKF rho_ robF fracTa roaTb + . rob approx robP r_ob robF robP
Die Dichte von Chlorgas beträgt im Normzustand roaO. Welche Dichte hat das Gas bei TbO bei konstantem Druck?
Solution:
Geg rho_ roa T_ Tb T_ Ta GesDichter_obsikilogrampercubicmeter Für die Dichte gilt bei konstantem Druck rho fracmV &propto fracV. Da nach Gay-Lussac fracV_T_ fracV_T_ fracV_V_ fracT_T_ gilt kann man auch fracV_V_ fracrho_rho_ mboxund fracrho_rho_ fracT_T_ schreiben. Somit haben wir für die Dichte des Gases bei TbO T_bK TbKF Tb + . TbK r_ob fracT_T_bK rho_ fracT_TbKF rho_ robF fracTa roaTb + . rob approx robP r_ob robF robP
Meta Information
Exercise:
Die Dichte von Chlorgas beträgt im Normzustand roaO. Welche Dichte hat das Gas bei TbO bei konstantem Druck?
Solution:
Geg rho_ roa T_ Tb T_ Ta GesDichter_obsikilogrampercubicmeter Für die Dichte gilt bei konstantem Druck rho fracmV &propto fracV. Da nach Gay-Lussac fracV_T_ fracV_T_ fracV_V_ fracT_T_ gilt kann man auch fracV_V_ fracrho_rho_ mboxund fracrho_rho_ fracT_T_ schreiben. Somit haben wir für die Dichte des Gases bei TbO T_bK TbKF Tb + . TbK r_ob fracT_T_bK rho_ fracT_TbKF rho_ robF fracTa roaTb + . rob approx robP r_ob robF robP
Die Dichte von Chlorgas beträgt im Normzustand roaO. Welche Dichte hat das Gas bei TbO bei konstantem Druck?
Solution:
Geg rho_ roa T_ Tb T_ Ta GesDichter_obsikilogrampercubicmeter Für die Dichte gilt bei konstantem Druck rho fracmV &propto fracV. Da nach Gay-Lussac fracV_T_ fracV_T_ fracV_V_ fracT_T_ gilt kann man auch fracV_V_ fracrho_rho_ mboxund fracrho_rho_ fracT_T_ schreiben. Somit haben wir für die Dichte des Gases bei TbO T_bK TbKF Tb + . TbK r_ob fracT_T_bK rho_ fracT_TbKF rho_ robF fracTa roaTb + . rob approx robP r_ob robF robP
Contained in these collections
-
Luftdichte auf Bergen by TeXercises
| Title | Matched on |
|---|---|
| Luft | tagsformula |
| Pressluftbehälter auf Berg | formula |
| Chlorgas | title |
| Dichte von Wasserstoffgas | formula |
| Molares Volumen | tagsformula |
Similar exercises (22)
| Title | Matched on |
|---|---|
| Luft | tagsformula |
| Pressluftbehälter auf Berg | formula |
| Chlorgas | title |
| Dichte von Wasserstoffgas | formula |
| Molares Volumen | tagsformula |
| Explodierende Dose | tags |
| Ballon | tags |
| Kompression im Dieselmotor | tags |
| Gasdruck in 2 Situationen | tags |
| Pression et volume de l’air | tags |
| Luft | tags |
| Autoreifen | tags |
| Mont Blanc | tags |
| Gas | tags |
| Air Density on Mont Blanc | tags |
| Gasgleichung | tags |
| Pressluftbehälter | tags |
| Gastemperatur | tags |
| Schulzimmer | tags |
| Stickstoff | tags |
| Trockene vs. feuchte Luft | tags |
| Flasche mit Luft | tags |