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3 years ago

I need an essay about bow water bottles are ruining the earthh please ill give u a brainly

Chemistry

1 answer:

Irina18 [472]3 years ago

6 0

Answer:

Explanation:

Each bottle leaks harmful chemicals into our environment along the way as it decomposes. Studies show that the toxins decomposing bottles of water leach into our environment cause a variety of health issues, including reproductive problems and cancer.

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andrew11 [14]

$N(t)=N_{(0)}*(\frac{1}{2})^{\frac{t}{\tau_{\frac{1}{2}}}}\\\\
N_{0}=0,25mg\\
t=83,1days\\
\tau_{\frac{1}{2}}=27,7days\\\\\\
N(t)=0,25mg*(\frac{1}{2})^{\frac{83,1}{27,7}}=0,25mg*(\frac{1}{2})^{3}=0,25mg*\frac{1}{8}=0,03125mg$

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3 years ago

Submarines need to be extremely strong to withstand the extremely high pressure of water pushing down on them. An experimental r

Sergeeva-Olga [200]

Answer:

The diameter of the bubble would be about 400mm

Explanation:

This problem is solved using Boyle's law because you assume a fixed amount (number of moles) of air and that the temperature remains constant:

$PV=constant\\\\P_1V_1=P_2V_2$

Where:

P₁ = 1.6 atm
V₁ = 5,000 liters
P₂ = 155 atm
V₂ = unknown

Substitute and solve for V₂:

$V_2=\dfrac{1.6atm\times 5,000liters}{155atm}\\\\\\V_2=52liters$

Since the number 5,000 has one significant figure, you must round your answer to one significant figure. That is 50 liters.

Now, you must calcualte the diameter of the bubble, assuming the shape is a sphere:

Remember that 50 liters = 50dm³.

$Volume=\dfrac{4}{3}\pi\ (radius)^3$

$50dm^3=\dfrac{4}{3}\pi (radius)^3\\\\radius = 2dm$

The diameter is twice the diameter = 4 dm = 40cm = 400mm

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4 years ago

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victus00 [196]

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3 years ago

According to cell theory _____.

bulgar [2K]

Answer:

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4 years ago

? What does solubility mean?

olga2289 [7]

Based on my knowledge and just completing Chemistry in 11th grade the I do believe the best answer here would be, C) "process of determining the amount of solute a solvent will hold." Hope this helped!

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3 years ago

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I need an essay about bow water bottles are ruining the earthh please ill give u a brainly​

I need an essay about bow water bottles are ruining the earthh please ill give u a brainly