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Maru [420]
2 years ago
5

HELP HELP HELP ME PLSSSSS 50 POINTS

Chemistry
2 answers:
Ostrovityanka [42]2 years ago
7 0

Answer:

Mapping the ocean floor is made these days due to efforts of professionals and the researchers of the aquatic biosphere. As, they have revealed the mysteries that were not discussed before. So, analyzing the ocean floor and making it more easy for us to know the diversity found on the ocean floor.

  1. While, the diversity on the ocean floor is inhabited by millions of species and these species in a more larger space then we expect as the different organisms covers miles of space inside the ocean and for that reason we have to analyze each species habitat by using a much wider form of scale.Collecting Data at 10 cm intervals. Distance from Shore (in cm) Depth ,

10

20

30

40

50

60

70

80

90

100.

    <u>  2. Sonar: </u>

Sonar is based upon using the ultrasonic form of waves, as they are generated by a source of U.V rays in a specific direction to analyze any given area or subject target by the professionals. The ultra sonic waves are considered much penetrable, having the capacity to be more secure and having less number of losses in them. Which makes the sonar more accurate then any other source of waves to analyze a given space.

  • <u>Note:</u>

"Most of the aquatic and other animals uses the sonar procedure to locate there prey and other targets etc."

Anastaziya [24]2 years ago
5 0

Answer:

1) They are the same line so they match equally bc they are measuring the same thing just one is more specific than the other

2) Sonar measures all depths at every possible point and maps it including all the gaps in between the 5cm apart the ocean floor is. The difference between the points could be a cliff or a smooth decline.

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Which gas has approximately the same density as c2h6 at stp no nh3 h20 so2?
zmey [24]
1 mole of any gas occupy 22.4 L at STP (standard temperature and pressure, 0°C and 1 atm).

Let given gases be 1 mole. So their volumes will be the same, 22.4 liters.

Density is the ratio of mass to volume.

By formula; density= mass/volume; d=m/V

To find out masses of gases, do the mole calculation.

By formula; mole= mass/molar mass; n= m/M; m= n*M

Molar masses are calculated as
1. C₂H₆ (ethane)                 = 2*12 g/mol + 6*1 g/mol= 30 g/mol
2. NO (nitrogen monoxide) = 1*14 g/mol + 1*16 g/mol= 30 g/mol
3. NH₃ (ammonia)              = 1*14 g/mol + 3*1 g/mol= 17 g/mol
4. H₂O (water)                    = 2*1 g/mol + 1*16 g/mol= 18 g/mol
5. SO₂ (sulfur dioxide)        = 1*32 g/mol + 2*16 g/mol= 64 g/mol
Use Periodic Table to get atomic mass of elements.

Since their volumes are equal, compounds having the same molar mass will have the same density. 
Recall the formula d= m/V.

Ethane and nitrogen monoxide have the same density.

The answer is C₂H₆ and NO.
6 0
2 years ago
WILL GIVE BRAINLIEST. How does Earth's distance from the sun make it advantageous for supporting life?
Goryan [66]
<span>allows for regular periods of sunlight</span>
8 0
3 years ago
The compound Xe(CF3)2 decomposes in afirst-order reaction to elemental Xe with a half-life of 30. min.If you place 7.50 mg of Xe
Irina-Kira [14]

Answer:

t=147.24\ min

Explanation:

Given that:

Half life = 30 min

t_{1/2}=\frac{\ln2}{k}

Where, k is rate constant

So,  

k=\frac{\ln2}{t_{1/2}}

k=\frac{\ln2}{30}\ min^{-1}

The rate constant, k = 0.0231 min⁻¹

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

[A_0] is the initial concentration

Given that:

The rate constant, k = 0.0231 min⁻¹

Initial concentration [A_0] = 7.50 mg

Final concentration [A_t] = 0.25 mg

Time = ?

Applying in the above equation, we get that:-

0.25=7.50e^{-0.0231\times t}

750e^{-0.0231t}=25

750e^{-0.0231t}=25

x=\frac{\ln \left(30\right)}{0.0231}

t=147.24\ min

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A compound that contains 63.15% carbon,5.30% hydrogen and the remaining percent oxygen
tamaranim1 [39]
Oxygen percentage is 31.55%
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