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Eva8 [605]
2 years ago
7

Somebody tell me- why do cows go Moo?

Chemistry
2 answers:
lys-0071 [83]2 years ago
8 0
To communicate with each other
m_a_m_a [10]2 years ago
5 0

Answer:

To communicate with each other

Explanation:

Cows use sound (mooing) to communicate with each other and their environment. Cows are herd animals and have complex social structures. Mooing is one way that they interact and how they express their emotions

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What is the molar mass of sulfur trioxide?
tatyana61 [14]

Answer:

80.07 g/mol

Explanation:

Sulfur's g/mol = 32.07

Oxygen's g/mol = 16.00

32.07 + 16.00(3) = 80.07 g/mol

6 0
2 years ago
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Consider the following isotopic abundance data for argon (Ar) and silicon (Si):
pshichka [43]

Answer:

Explanation:

Molar mass of Argon

= 35.96755 x .00337 + 37.96272 x .00063 + 39.96240 x .99600

= .12121 + .0239165 + 39.80255

= 39.95

Molar mass of silicon

27.97693 x .9223 + 28.97649 x .0467 + 29.97376 x .0310

= 25.803 + 1.35320 + .929

= 28.08

b )

No of atoms of Si  in 78.2 g = 78.2 x 6.02 x 10²³ / 28.08

= 16.76 x 10²³ .

c )

42 Ar / 40 Ar = 1.05006

42 Ar / 39.95 = 1.05006

42Ar = 41.95

2 )

C₁₆H₁₅F₂N₃O₄S

Mol weight = 16 x 12 + 1 x 15 + 2 x 19 + 3 x 14 + 4 x 16 + 32

= 192 + 15 + 38 + 42 + 64+ 32

= 383

No of molecules = .078 x 6.02 x 10²³ / 383

= 1.226 x 10²⁰ molecules .

7 0
2 years ago
What are the products when ammonia (NH3) decomposes according to this equation?<br> NH3
In-s [12.5K]
<span>Ammonia (NH3) is the combination of Nitrogen and Hydrogen elements.
=> N2 + 3H2 => 2NH3

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=> used by manufacturer to produce synthetic fiber
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Ammonia’s boiling point is -28.03 F and freezing point is -107.8F.



</span>



7 0
2 years ago
What quantity of heat is transferred when a 150.0g block of iron metal is heated from 25.0°C to 73.3°C? What is the direction of
s344n2d4d5 [400]

The direction of heat flow is increased which means blocks temperature is higher and hotter than it was before

3 0
2 years ago
What is the name of a solution whose concentration of solute is equal to the maximum concentration that is predicted from the so
Nat2105 [25]
Usually you would call this a saturated solution. I hope this helps.
7 0
3 years ago
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