3 years ago

I need help plzzzz science homework

Chemistry

1 answer:

fiasKO [112]3 years ago

5 0

Wait, do we do both of the places or only the types of elements because i don't understand...

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Text me lets play imessage gamessssss i need new friends:)<br> 832-525-6333

Sergio [31]

Answer:

Bet texting you right now!

Explanation:

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3 years ago

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18.A 2.50 L sample of dry air in a cylinder exerts a pressure of

Vlada [557]

Answer:

$\boxed{\text{7.50 L}}$

Explanation:

The temperature and amount of gas are constant, so we can use Boyle’s Law.

$p_{1}V_{1} = p_{2}V_{2}$

Data:

$\begin{array}{rclrcl}p_{1}& =& \text{3.00 atm}\qquad & V_{1} &= & \text{2.50 L} \\p_{2}& =& \text{1.00 atm}\qquad & V_{2} &= & ?\\\end{array}$

Calculations:

$\begin{array}{rcl}3.00 \times 2.50 & =& 1.00V_{2}\\7.500 & = & 1.00V_{2}\\V_{2} & = &\textbf{7.50 L}\\\end{array}\\\text{The volume of the gas is } \boxed{\textbf{7.50 L}}$

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3 years ago

The retina is a photosensitive tissue that contains the special photoreceptor cells. What is the purpose of these photoreceptor

RideAnS [48]

I am also taking the test, but I think it's C. But I'm not exactly sure

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4 years ago

Debbie and Ben are performing a frog dissection in their biology class. As a safety precaution, Debbie and Ben must do all of th

Radda [10]

D is the correct answer, you do not want to keep the fumes from numerous frogs in a room. There is no logical reason to keep the fumes inside.

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4 years ago

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If a person can run 10 km in 2 hours, what is the person’s speed? Include your work with your answer

Ivanshal [37]

Speed = Distance / Time
s = 10 / 2
s = 5 Km/h

In short, Your Answer would be 5 Km/h

Hope this helps!

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3 years ago

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