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Virty [35]
2 years ago
9

The specific heat capacity of concrete is 0.880 J/g °C

Chemistry
1 answer:
LenaWriter [7]2 years ago
3 0

Answer:

this is a required answer. look it once.

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what is the specific heat of a substance if 1560 cal are required to raise the temperature of a 312-g sample by 15°C
jasenka [17]

Answer:

0.33 cal⋅g-1°C-1  

Explanation:

The amount of heat required is determined from the formula:

q= mcΔT

To see more:

https://api-project-1022638073839.appspot.com/questions/what-is-the-specific-heat-of-a-substance-if-1560-cal-are-required-to-raise-the-t#235434

7 0
2 years ago
A spectral line has a wavelength of 7.35 *10-7 m. What is the energy of this radiation?
antoniya [11.8K]

Answer:

2.7 x 10^-19 J

Explanation:

The formula needed for this problem is

E = hν

where E = energy, h = Planck's constant = 6.626x10^-34 and ν is the frequency

c = λν

where c = speed of light = 3x10^8, and λ = wavelength

3x10^8 = 7.35x10^-7 . ν

ν = 4.08 x 10^14 Hz

E = 6.626x10^-34 . 4.08x10^14 = 2.7 x 10^-19 J

8 0
2 years ago
What is electron configuration​. dont use googlrl plz
Maksim231197 [3]

Answer:

Electron configuration is the structural arrangement notation of electrons in the shells or energy levels of an atom.

Explanation:

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3 years ago
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Make a conclusion about the following question: What is the relationship between the volume of a gas and the pressure exerted on
Alinara [238K]

The relationship would be inversely proportional, meaning that as the volume increases, the pressure decreases, and the opposite is true as well, as the pressure increases, the volume decreases.

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2 years ago
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