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VashaNatasha [74]
3 years ago
12

How long would it take a radio wave with a frequency of 6.50 ✕ 108 Hz to travel from Mars to Earth if the distance between the t

wo planets is approximately 8.00 ✕ 107 km?
Chemistry
2 answers:
Ksju [112]3 years ago
8 0
8.00 x 10^7 by the speed of light.



olga55 [171]3 years ago
4 0
The radio wave travels at the speed of light so divide 8.00 x 10^7 by the speed of light.<span>

</span>
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Is beeswax a mineral, a rock or neither
Tju [1.3M]

Answer:

Pretty sure its a mineral

Explanation:

Beeswax is a naturally occurring wax secreted mainly by honeybees A. mellifera, for constructing honey combs (Tulloch, 1970a). Unhydrolyzed beeswax consists of approximately 71% esters, 15% hydrocarbons, 8% free fatty acids, and 6% other components (Tulloch, 1970b).

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3 years ago
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How do purple stem plants use there energy
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B: They are the results of many experiments over a long period of time.

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2 years ago
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Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. An industrial ch
guajiro [1.7K]

Answer:

Kp = 0.049

Explanation:

The equilibrium in question is;

2 SO₂ (g)  +  O₂ (g)   ⇄ 2 SO₃ (g)  

Kp = p SO₃² / ( p SO₂² x p O₂ )

The initial pressures are given, so lets set up the ICE table for the equilibrium:

atm        SO₂         O₂          SO₃

I              3.3        0.79           0

C              -2x           -x          2x

E             3.3 - 2x    0.79 - x    2x

We are told 2x = partial pressure of SO₃ is 0.47 atm at equilibrium, so we can determine the partial pressures of  SO₂ and O₂ as follows:

p SO₂  = 3.3 -0.47 atm = 2.83 atm

p O₂ = 0.79 - (0.47/2) atm = .56 atm

Now we can calculate Kp:

Kp = 0.47² /[ ( 2.83 )² x 0.56 ] = 0.049 ( rounded to 2 significant figures )

Note that we have extra data in this problem we did not need since once we setup the ICE table for the equilibrium we realize we have all the information needed to solve the question.

7 0
3 years ago
The density of copper is 8.9 g/cm3.If you have 90.0 grams of copper ,how much volume is your copper occupying
lesya692 [45]
D= m/v
90.0/8.9
V= 10.11235
V= 10 cm3
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3 years ago
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