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
Leni [432]
3 years ago
13

Which type of heat transfer does the situation below model? At a sports event, the spectators do the 'wave'. Starting at one end

of the stadium, they stand up and then sit down as the next person stands. A ripple motion spreads across the crowd wich form conduction
convection

radiation

Chemistry
1 answer:
Zanzabum3 years ago
7 0

Answer:

radiation

Explanation:

Based on the scenario being described in the question it can be said that the type of heat transfer that is being modeled is radiation. Like demonstrated in the picture attached below, radiation involved the transfer of heat through rays, waves, or particles as opposed to fluids or gases. Which is what is happening in this scenario, since the individuals are building up heat by moving and that heat is being passed on to the individuals around them through waves.

You might be interested in
Each mineral group has a distinctive chemical feature such as
disa [49]

Answer:

A

Explanation:

6 0
2 years ago
The elements of which group are nonreactive?
Margaret [11]
The elements of the "Noble" gases group is nonreactive. The reason for this is that noble gases are always or most of the time at room temperature.<span />
3 0
3 years ago
Read 2 more answers
A first order reaction has a rate constant of 0. 543 at 25°C. Given that the activation energy is 75. 9 kj/mol. Calculate the ra
Rasek [7]

The rate constant of first order reaction at 32. 3 °C is 0.343 /s must be less the 0. 543 at 25°C.

First-order reactions are very commonplace. we have already encountered  examples of first-order reactions: the hydrolysis of aspirin and the reaction of t-butyl bromide with water to present t-butanol. every other reaction that famous obvious first-order kinetics is the hydrolysis of the anticancer drug cisplatin.

The value of ok suggests the equilibrium ratio of products to reactants. In an equilibrium combination both reactants and merchandise co-exist. big ok > 1 merchandise are k = 1 neither reactants nor products are desired.

Rate constant K₁  = 0. 543 /s

T₁  = 25°C

Activation energy Eₐ =  75. 9 k j/mol.

T₂ = 32. 3 °C.

K₂ =?

formula;

log K₂/K₁=  Eₐ /2.303 R [1/T₁ - 1/T₂]

putting the value in the equation  

K₂ = 0.343 /s

Hence, The rate constant of first order reaction at 32. 3 °C is 0.343 /s

The specific rate steady is the proportionality consistent touching on the fee of the reaction to the concentrations of reactants. The fee law and the specific charge consistent for any chemical reaction should be determined experimentally. The cost of the charge steady is temperature established.

Learn more about activation energy here:- brainly.com/question/26724488

#SPJ4

4 0
1 year ago
What kind of energy is required for photosynthesis to occur​
Makovka662 [10]

Answer:

light energy to convert carbon dioxide and water into glucose and oxygen gas. Each molecule of glucose essentially “stores” up to 38 molecules of ATP which can be broken down and used during other cellular reactions.

Explanation:

6 0
3 years ago
Read 2 more answers
Why are some metals such as copper and aluminium not magnetic​
ioda

Answer:i dont know

Explanation:

I D

K

8 0
3 years ago
Other questions:
  • Which of these is always equal to the molar mass of any element?
    5·2 answers
  • A. Lithium iodide and bromine react to produce lithium bromide and iodine.
    10·1 answer
  • Murphy built a simple motor with a battery, permanent magnet, copper coil of wire and iron bar. When the motor is turned on, the
    9·1 answer
  • How many orbital blocks are represented in this<br> periodic table?
    7·2 answers
  • What does it mean to have protein in your urine?
    7·1 answer
  • Sodium carbonate + hydrochloric acidsodium chloride + carbon dioxide + water
    10·1 answer
  • What is the ΔG given the following? ΔH = 20 kJ/mol T = 15°C ΔS = .101 kJ/molK
    14·1 answer
  • Which of the following is NOT an
    7·2 answers
  • Molecules that are too large to flow across the<br> membrane need help from what structures?
    15·2 answers
  • What is acid according to arhenias concept?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!