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3 years ago

A warm air is rising as cooler air es in to take its place. what is the name for that?

Chemistry

1 answer:

klasskru [66]3 years ago

6 0

Answer:

convection

hope this helps

have a good day :)

Explanation:

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Using de Broglie's equation, λ = h/mv which would have a larger wavelength, a slow-moving proton or a fast-moving golf ball? Exp

tatuchka [14]

Answer: Proton will have larger wavelength

Explanation:

$\lambda =\frac{h}{mv}$ (de-Broglie's equation)

$\lambda =\text{wavelenght of the particle}$

h= Planck constant

m= mass of the particle

v= velocity of the particle

As we can see from the de-Broglie's equation , that wavelength is inversely proportional to the product of mass into velocity of the object.

The wavelength of proton will be higher than that fast moving golf ball because mass of proton $(1.67 \times 10^{-24}g)$ is very small than that of the golf ball (45.93 g). Proton is moving at slow velocity and the golf ball is moving with fast velocity by which value of product of mass into velocity of proton will be lower than the value of product of mass into velocity of the golf ball which will result in larger value of wavelength of the proton.

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3 years ago

Enter the formula for the compound cobalt(II) phosphate. Express your answer as a chemical formula.

alexira [117]

Answer:

$Co_3(PO_4)_2$

Explanation:

Naming of the ionic compounds:-

The name of the cation is written first and the the name of the anion is written after the name of the cation separated by single space.
The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.
In case of transition metals, the oxidation state are written in roman numerals in bracket in front of positive ions.

Hence, given ionic compound:-

Cobalt(II) phosphate

So, Cobalt will have a positive charge of +2

Phosphate is $PO_4^{3-}$

So, the formula is :-

Co $PO_4^{3-}$

2 3

$Co_3(PO_4)_2$

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3 years ago

Explain briefly the function of friction ridges on our palm and finger.

likoan [24]

The friction aids in grasping and walking. The friction ridge skin also contains numerous sweat glands, and the pore openings are located along the tops of the ridges. The friction ridge skin does not contain sebaceous (oil) glands or hair follicles.

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2 years ago

Which bond is least polar N-O S-O H-O C-O

Sphinxa [80]

Answer:

Her Eid per Ruth Jααte Hαin wo Humse,

αb bαtαo Hum Eid Mαnαye yα unko.

ہر عید پر روٹھ جاتے ہیں وہ ہم سے

اب بتاؤ ہم عید منائے یا ان کو

ik ishq ka gam aafat aur us pe ye dil aafat

ya gam na diya hota ya dil na diya hota

bas ek jhijhak hai haal-e-dil sunaane mein,

ki tera bhi jikr aaega mere is phasaane mein.

kya kahoon kis tarah se jita hoon

gam ko khaata hoon aansoo pita hoon

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3 years ago

What is the structural formula of propene

Sladkaya [172]

Explanation:

Structural formula of propene

H₃C–CH₂=CH

molecular formula = C₃H₆

molecular mass = 12×3+1×6 = 36+6 = 42

no. of double bond = 1

7 0

2 years ago

A warm air is rising as cooler air es in to take its place. what is the name for that?​

A warm air is rising as cooler air es in to take its place. what is the name for that?