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Harlamova29_29 [7]
2 years ago
14

Mrs. Vikram's science class notices that a high

Chemistry
1 answer:
denis23 [38]2 years ago
5 0

Storm clouds being formed will most likely occur in this scenario.

<h3>What are Storm clouds?</h3>

These are formed during the process of convection in which heat and moisture is transported upward into the atmosphere.

We were told that the weather is warm and cold air will enter the region which means that it will replace the heat and moisture as they move upwards thereby resulting in the formation of storm clouds.

Read more about Storm clouds here brainly.com/question/8240176

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Scientists Pam and Alejandro were discussing a liquid found in the science lab that was missing it's label. In classifying the u
strojnjashka [21]

Your answer for this would be A. Mixtures cannot be separated by physical meansA pure substance is heterogeneous.


Hope This Helps :)

6 0
3 years ago
Read 2 more answers
It takes
poizon [28]

The maximum wavelength that can break a Cl-Cl bond is 494 nm.

<em>Energy to break 1 Cl-Cl bond </em>

Energy = (242 kJ/1 mol) × (1000 J/1 kJ) × (1 mol/6.022 × 10²³ bonds)

= 4.019 × 10⁻¹⁹ J/bond

<em>Wavelength of photon </em>

<em>E</em> = h<em>f</em> = (h<em>c</em>)/λ

λ = (h<em>c</em>)/E = (6.626 × 10⁻³⁴ J × 2.998 × 10⁸ m·s⁻¹)/(4.019 × 10⁻¹⁹ J) = 4.94 × 10⁻⁷ m = 494 nm

6 0
3 years ago
The up and down movement of gases and liquids caused by heat transfer?
AnnZ [28]

Answer:

B.

Explanation:

The up and down movement of gases and liquids caused by heat transfer is convection.

4 0
4 years ago
1826.5g of methanol (CH3OH), molar mass = 32.0 g/mol is added to 735 g of water, what is the molality of the methane 0.0348 m 1.
Snowcat [4.5K]

Answer:

Molality = 1.13 m

Explanation:

Molality is defined as the moles of the solute present in 1 kilogram of the solvent.

Given that:

Mass of CH_3OH = 26.5 g

Molar mass of CH_3OH = 32.04 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{26.5\ g}{32.04\ g/mol}

Moles\ of\ CH_3OH= 0.8271\ moles

Mass of water = 735 g = 0.735 kg ( 1 g = 0.001 kg )

So, molality is:

m=\frac {0.8271\ moles}{0.735\ kg}

<u>Molality = 1.13 m</u>

4 0
3 years ago
16.25 g of water at 54 C relaeases 402.7 J. What will be its final temp?
leonid [27]
Data:
Q = 402.7 J → releases → Q = - 402.7 J
m = 16.25 g
T initial = 54 ºC
adopting: c = 4.184J/g/°C
ΔT (T final - T initial) = ?

Solving:

Q = m*c*ΔT
-402.7 = 16.25*4.184*ΔT
-402.7 = 67.99*ΔT
\Delta\:T =  \frac{-402.7}{67.99}
\boxed{\Delta\:T \approx -5.92\:^0C}

If: ΔT (T final - T initial) = ?
-5.92^0 =  T_{final} -  54^0
T_{final} = 54^0 - 5.92^0
\boxed{\boxed{T_{final} = 48.08\:^0C}}\end{array}}\qquad\quad\checkmark

8 0
4 years ago
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