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Delvig [45]
2 years ago
5

Ocean water is about 96.5% pure water. what is one of the most abundant elements in ocean water?

Physics
1 answer:
Snezhnost [94]2 years ago
3 0
Salt. <span>The six most abundant elements in ocean water are </span>chlorine<span>, </span>sodium<span>, </span>magnesium,sulfur<span>, </span>calcium<span>, and potassium. The salt halite, which is made of </span>sodium<span> and chloride ions, makes up more than 85% of the ocean's dissolved solids. Therefore, the </span><span>most abundant element in ocean water is salt.</span>
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How long will bus take to travel 150 km at an average speed of 40km/hr
romanna [79]

Answer:

3.75 hours

Explanation:

By v = \frac{d}{t}

where v is the velocity (or speed in this case)

d is the distance travelled

t is the time taken

t = \frac{150}{40}=3.75
Therefore it takes 3.75 hours for the bus to travel 150 km and 40 km/hr.

7 0
2 years ago
Which of the following equations describes Newton’s second law
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C.

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I think they're a list of choices that you have but aren't sharing.

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The stopcock connecting a 2.14 L bulb containing oxygen gas at a pressure of 8.19 atm, and a 9.84 L bulb containing krypton gas
marshall27 [118]

Answer : The final pressure of the system in atm is, 3.64 atm

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P\propto \frac{1}{V}

or,

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where,

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P_2 = second pressure = 2.65 atm

V_1 = first volume = 2.14 L

V_2 = second volume = 9.84 L

P_f = final pressure = ?

V_f = final volume = 2.14 L  + 9.84 L = 11.98 L

Now put all the given values in the above equation, we get:

8.19atm\times 2.14L+2.65atm\times 9.84L=P_f\times 11.98L

P_f=3.64atm

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3 years ago
The relationship between frequency wavelength and speed holds for light waves because
tamaranim1 [39]

Answer:

all forms of electromagnetic radiation travel at a single speed in a vacuum.

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