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scoray [572]
3 years ago
12

Molar mass for C 3 H 6 (O H)2

Chemistry
2 answers:
Ksju [112]3 years ago
8 0

Answer:

The answer is 76.0944

Explanation:

I hope this helps!

givi [52]3 years ago
3 0

The molar mass and molecular weight of C3H6(OH)2 is 76.0944.

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What is the amount of energy for a photon that has a 125 cm wavelength
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Answer:

1.59 x 10⁻²⁵ J.

Explanation:

  • The energy of a photon is calculated Planck - Einstein's equation:

E = h ν , where

E is the energy of the photon,

h is  Planck's constant <em>(h = 6.626  x 10 ⁻³⁴ J.s)</em>

ν  is the frequency of the photon

  • There is a relation between the frequency (ν ) and wave length (λ).

λ.ν = c,

where c is the speed of light in vacuum (c = 3 .0 x 10 ⁸ m/s).

λ = 125 cm = 1.25 m.

<em>Now, E = h.c/λ.</em>

∴ E = h.c/λ = (6.626  x 10 ⁻³⁴ J.s) (3 .0 x 10 ⁸ m/s) / (1.25 m) = 1.59 x 10⁻²⁵ J.

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3 years ago
Who created the onion model in chemistry?
11111nata11111 [884]
Rick Maurer i think that’s how you spell his last name
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Which of these is a TRUE statement? A) Sound travels through gases easier than liquids. B) Sound travels through solids easier t
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Sound travels through gases faster than it travels through liquids

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A hot air balloon is filled to 1250 m3 at 27 C. At what temperature will the balloon be filled to 1600 m3 if the pressure remain
SSSSS [86.1K]

Answer:

384.2 K

Explanation:

First we convert 27 °C to K:

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With the absolute temperature we can use <em>Charles' law </em>to solve this problem. This law states that at constant pressure:

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Where in this case:

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We input the data:

300.16 K * 1600 m³ = T₂ * 1250 m³

And solve for T₂:

T₂ = 384.2 K

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3 years ago
Which is an example of an instinct?
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An innate, typically fixed pattern of behavior in animals in response to certain stimuli.

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