1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
cluponka [151]
4 years ago
8

In the exothermic reaction below, how would adding heat affect the equilibrium of the system?A + B ⇄ C + D + energy

Physics
1 answer:
TEA [102]4 years ago
5 0

Answer:

Shift it to the left toward the reactants.

Explanation:

Le Chatelier's principle states that if a chemical system is in equilibrium and one of the factors involved in the equilibrium is altered (e.g temperature,pressure or concentration) ,the equilibrium will shift, so as to neutralize the effect of the change.

If a chemical system is in equilibrium, in which the reaction is exothermic and the temperature is being increased, the equilibrium will shift to left, favoring the backward reaction (reactants) as the constant K decreases.

You might be interested in
A heavy turntable, used for rotating large objects, is a solid cylindrical wheel that can rotate about its central axle with neg
scoundrel [369]

Answer:

a) I = 113.014\,kg\cdot m^{2}, b) m = 2075.556\,kg

Explanation:

a) The turntable has the following physical model by using Newton's laws:

F \cdot R = I \cdot \alpha

The moment of inertia is:

I = \frac{F\cdot R}{\alpha}

I = \frac{(300\,N)\cdot(0.33\,m)}{0.876\,\frac{rad}{s^{2}} }

I = 113.014\,kg\cdot m^{2}

b) The moment of inertia for a solid cylinder:

I = \frac{1}{2}\cdot m \cdot R^{2}

The mass of the turntable is:

m = \frac{2 \cdot I}{R^{2}}

m = \frac{(2)\cdot (113.014\,kg\cdot m^{2})}{(0.33\,m)^{2}}

m = 2075.556\,kg

8 0
3 years ago
A boy lifted a 50 newton rock 1 meter. How much work was done?
dem82 [27]

Answer:

The answer is 50 Nm

Explanation:

<h3><u>Given</u>;</h3>
  • Applied Force = 50 Newton
  • Total Displacement = 1 meter
<h3><u>To </u><u>Find</u>;</h3>
  • Work done = ?

Here,

W = F • d

W = 50 • 1

W = 50 Nm

Thus, Work done is 50 Nm

<u>-TheUnknownScientist 72</u>

5 0
3 years ago
Read 2 more answers
Answer <br> A<br> B<br> C<br> D and <br> E
harina [27]

Answer:

what is the question I cannot click the

Explanation:

4 0
3 years ago
The intensity of the sound from a certain source is measured at two points along a line from the source. The points are separate
Artemon [7]

Answer:

The source is at a distance of 4.56 m from the first point.

Solution:

As per the question:

Separation distance between the points, d = 11.0 m

Sound level at the first point, L = 66.40 dB

Sound level at the second point, L'= 55.74 dB

Now,

L = 10log_{10}\frac{I}{I_{o}}          

I = I_{o}10^{\frac{L}{10}} = I_{o}10^{0.1L} = 10^{- 12}\times 10^{0.1\times 66.40} = 10^{- 5.36}      

L' = 10log_{10}\frac{I'}{I_{o}}

I' = I_{o}10^{\frac{L'}{10}} = 10^{- 12}\times 10^{0.1\times 55.74} = 10^{- 6.426}        

where

I_{o} = 10^{- 12} W/m^{2}

I = Intensity of sound

Now,

I = \frac{P}{4\pi R^{2}}

Similarly,

I' = \frac{P}{4\pi (R + 11.0)^{2}}

Now,

\frac{I}{I'} = \frac{(R + 11.0)^{2}}{R^{2}}

\frac{10^{- 5.36}}{10^{- 6.426}} = \frac{(R + 11.0)^{2}}{R^{2}}

R ^{2} + 22R + 121 = 11.64R^{2}}

10.64R ^{2} - 22R - 121 = 0

Solving the above quadratic eqn, we get:

R = 4.56 m

8 0
3 years ago
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, th
diamong [38]

Answer:

3.77 Hz

Explanation:

The beat frequency that is heard can be calculated using the following equation:

f_{b} = f_{1} - f_{2}

<u>Where:</u>

f₁ = 110 Hz

f_{2} = \frac{f_{1}}{\sqrt{\frac{T_{1}}{T_{2}}}}

<u>With:</u>

<em>T₁ = 594 N        </em>

<em>T₂ = 554 N </em>

f_{2} = \frac{f_{1}}{\sqrt{\frac{T_{1}}{T_{2}}}} = \frac{110 Hz}{\sqrt{\frac{594 N}{554 N}}} = 106.23 Hz

Hence, the beat frequency is:        

f_{b} = f_{1} - f_{2} = 110 Hz - 106.23 Hz = 3.77 Hz      

Therefore, the beat frequency that is heard when the hammer strikes the two strings simultaneously is 3.77 Hz.

I hope it helps you!                              

3 0
4 years ago
Other questions:
  • Heat from the surface is transferred underground by _______.
    10·2 answers
  • A 6-ohm resistor and a 4-ohm resistor are
    13·1 answer
  • Dr. Perez is part of a team of researchers who are working on designing and building a probe to study solar flares. What conditi
    10·2 answers
  • Monitoring systems may also use ____, which are devices that respond to a stimulus (such as heat, light, or pressure) and genera
    15·1 answer
  • Which statement is true?
    9·1 answer
  • In the recent Olympics, many records were broken and history was re-written.
    15·1 answer
  • Mixing all of the colors of _____ light together creates white light
    9·2 answers
  • The transfer of the heat by the direct contact of particles of matter is
    14·1 answer
  • When working with vectors, you will often see right triangles. What are the consistent properties of these triangles?
    14·1 answer
  • A horizontal force of 675 N is needed to overcome the force of static friction between a level floor and a 300-kg crate. What is
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!