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salantis [7]
3 years ago
12

Why do some fuels when burnt produce more heat than others?

Chemistry
1 answer:
sesenic [268]3 years ago
6 0
The more energy that is used for burning fuels, the more heat will be produced
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You observe 2 waves named alpha and beta. The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz. Base
MAVERICK [17]

Answer:

shorter wavelength = alpha wave

Explanation:

Given that,

The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz.

We need to compare the wavelengths of these two waves.

For alpha wave,

\lambda_1=\dfrac{c}{f_1}\\\\\lambda_1=\dfrac{3\times 10^8}{5}\\\\=6\times 10^7\ m

For beta wave,

\lambda_2=\dfrac{c}{f_2}\\\\\lambda_2=\dfrac{3\times 10^8}{2}\\\\=15\times 10^7\ m

From the above calculations, we find that the wavelength of the alpha wave is shorter than the wavelength of the beta wave.

8 0
2 years ago
A monatomic ideal gas expands slowly to twice its original volume, doing 340 JJ of work in the process. Part APart complete Find
Dafna1 [17]

Answer:

A) if the system is isothermal then all the heat added to the system will be used to do work (since none is used to raise the temperature of the gas). The heat added will be equal to the work done = 340 J

B) change in internal energy of the system of the process is isothermal will be zero, since there is no rise in temperature.

C) an adiabatic process is one involving no heat loss or gain through the system, Therefore heat gain will be zero

D) if the process is adiabatic then there is no heat loss or gain through the system and hence there is no change in temperature. Change in internal energy will be zero

E) if the process is isobaric then, there is no work done and the total heat to the system is equal zero

F) if there is no work done, and no heat added, then the internal energy will be equal zero.

4 0
3 years ago
How many moles are in 5.96g of MgCO,?
nikdorinn [45]

Answer:

201.1046

hope that helped :)

6 0
2 years ago
What does it mean to say that water autoionizes? View Available Hint(s) What does it mean to say that water autoionizes? Water w
diamong [38]

Hey there!:

Answer : D

A water molecule can donate a proton to another water molecule, forming H3O⁺and OH⁻ in solution.

Hope this helps!

6 0
3 years ago
What are things that we use that are made of the elements on the periodic table
mylen [45]

Answer:

all matter (everything) is made of the elements on the periodic table

Explanation:

6 0
2 years ago
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