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Ira Lisetskai [31]
4 years ago
7

A source emits a sound and is represented by the red dot in this map. Four people are located around the source, and the circles

represent the sound wave.
As the source moves west, which person hears the highest pitch?





person A




person B




person C




person D
Chemistry
2 answers:
Monica [59]4 years ago
8 0

Explanation:

A source Emits a sound and is represented by the red dot in this map. Four people are located and the source and the circle represent the sound wave.

As the source moves west which person hears the highest pitch

person B

SOVA2 [1]4 years ago
3 0

Answer:

Not B its A

Explanation:

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Analyze the given diagram of the carbon cycle below Part 1: Which compound does C represent? Part 2: Name a process that could r
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1: CO2 cycle

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The elementary reaction 2H2O(g)↽−−⇀2H2(g)+O2(g) proceeds at a certain temperature until the partial pressures of H2O, H2, and O2
jenyasd209 [6]

Answer:

1.742\times 10^{-5} is the value of the equilibrium constant at this temperature.

Explanation:

2H_2O\rightleftharpoons 2H_2+O_2

We are given:

Partial pressure of H_2O=p^o_{H_2O}=0.0750 atm

Partial pressure of H_2=p^o_{H_2}=0.00700 atm

Partial pressure of O_2=p^o_{O_2}=0.00200 atm

The expression of K_p for the given chemical equation is:

K_p=\frac{p^o_{H_2}^2\times p^o_{O_2}}{p^o_{H_2O}^2}

Putting values in above equation, we get:

K_p=\frac{(0.00700 atm)^2\times 0.00200 atm}{(0.0750 atm)^2}\\\\K_p=1.742\times 10^{-5}

1.742\times 10^{-5} is the value of the equilibrium constant at this temperature.

3 0
4 years ago
8. How many atoms of cobalt are in a 0.39 mole sample of Co(C,H,O2), ?
Slav-nsk [51]

Explanation:

The mole is simply a very large number,  

6.022

×

10

23

, that has a special property. If I have  

6.022

×

10

23

hydrogen atoms, I have a mass of 1 gram of hydrogen atoms . If I have  

6.022

×

10

23

 

H

2

molecules, I have a mass of 2 gram of hydrogen molecules. If I have  

6.022

×

10

23

 

C

atoms, I have (approximately!) 12 grams.

The mole is thus the link between the micro world of atoms and molecules, and the macro world of grams and litres, the which we can easily measure by mass or volume. The masses for a mole of each element are given on the periodic table as the atomic weight. So, if have 12 g of  

C

, I know, fairly precisely, how many atoms of carbon I have. Given this quantity, I know how many molecules of  

O

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3 0
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5. In the metric system, 1 meter (m) is equivalent to how many centimeters?
adoni [48]

Answer:

C

Explanation:

___________________________

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