How Long to Heat Ammonia Gas by 12°C with Solar Power?

AI Thread Summary
To determine the time required to heat 200 kg of ammonia gas by 12°C using solar radiation of 600 W, the specific heat capacity of ammonia at constant volume is needed. The total energy required can be calculated using the formula Q = mcΔT, where m is the mass, c is the specific heat capacity, and ΔT is the temperature change. The energy provided by the solar radiation over time can be expressed as E = P*t, where P is power and t is time. By equating the energy required to the energy provided, the time can be solved. The discussion emphasizes the need to calculate the number of moles of ammonia and its molar heat capacity for accurate results.
cash.money
Messages
14
Reaction score
0

Homework Statement



The sun heats 2.00 x 10^2 kg of ammonia gas that is kept at constant volume in a large tank. Assuming that solar radiation of 6.00 x 10^2 W caused the heating, determine the length of time it took to raise the ammonia's temperature by 12°C.


Homework Equations





The Attempt at a Solution

 
Physics news on Phys.org
cash.money said:

Homework Statement



The sun heats 2.00 x 10^2 kg of ammonia gas that is kept at constant volume in a large tank. Assuming that solar radiation of 6.00 x 10^2 W caused the heating, determine the length of time it took to raise the ammonia's temperature by 12°C.
You will have to show us what you have done. How many moles of ammonia do you have? What is the molar heat capacity of ammonia gas at constant volume?

AM
 
Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
View full post »

Thread 'Electric field due to charges between 2 parallel infinite planes'

TL;DR Summary: Find Electric field due to charges between 2 parallel infinite planes using Gauss law at any point Here's the diagram. We have a uniform p (rho) density of charges between 2 infinite planes in the cartesian coordinates system. I used a cube of thickness a that spans from z=-a/2 to z=a/2 as a Gaussian surface, each side of the cube has area A. I know that the field depends only on z since there is translational invariance in x and y directions because the planes are...
View full post »

Similar threads

Calculating Heat Exchange for a Water Pump
Replies
1
Views
1K
Heat exchange in an isolated system
Replies
3
Views
2K
What is the molar heat capacity of an ideal gas at constant pressure and volume?
Replies
5
Views
3K
Reversible heat exchange between water and ice
Replies
6
Views
2K
Spec'ing the power of heater for an atypical heat exchanger problem
Replies
22
Views
3K
How Long Will it Take to Heat Water Using a Solar Heater?
Replies
2
Views
2K
How long does it take to heat a vessel?
Replies
41
Views
5K
Heat Exchange and Efficiency in a Fridge
Replies
10
Views
2K
What is the preheat temperature for the water entering the gas boiler?
Replies
10
Views
2K
Molecular Specific Heat of an Ideal Gas: Computations
Replies
8
Views
2K

Hot Threads

Recent Insights

Back
Top