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garri49 [273]
3 years ago
15

Some safety precautions people should take when using fireworks

Chemistry
1 answer:
Lilit [14]3 years ago
3 0

Answer:

Do not try to re-light or handle malfunctioning fireworks. Soak both spent and unused fireworks in water for a few hours before discarding.

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In order to get lots of helium into tanks to fill kiddy balloons, they put force or pressure onto it. If i have 595 liters of he
alexandr402 [8]

Answer:

1.90 L

Explanation:

Using Boyle's law  

{P_1}\times {V_1}={P_2}\times {V_2}

Given ,  

V₁ = 595 L  

V₂ = ?

P₁ = 1.00 atm

P₂ = 55.0 atm

Using above equation as:

{P_1}\times {V_1}={P_2}\times {V_2}

{1.00}\times {595}={55.0}\times {V_2}

{V_2}=\frac{{1.00}\times {595}}{55.0}\ L

{V_2}=1.90\ L

<u>The volume would be 1.90 L.</u>

5 0
3 years ago
Atoms of the element beryllium would most likely behave similar to the way _______ behaves.
lubasha [3.4K]
It's b. calcium 
because the outer electron structure in all of that element is similar, they have the same chemical and physical properties.<span />
3 0
3 years ago
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Why are carbon and nitrogen essential for survival to all living organisms? A.
bagirrra123 [75]
Hello there.

<span>Why are carbon and nitrogen essential for survival to all living organisms?
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<span>They are needed to release the energy stored in food.
</span>Therefore, The correct answer would be Option B.
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3 years ago
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!! ANSWER QUICK !!
kari74 [83]

Answer:

I can use a dichotomous key. It helps me classify objects by sorting it out with "yes" and "no" questions.

or

I can use a Punnett Square. It helps me classify what genes the offspring will receive simply by figuring out the recessive and dominant genes as well as the hetzygous and homzygous.

Now give an example of which ever chart you choose by drawing it if that is required. For the Punnett Square label each of the squares Top right Hetzygous, top left dominant, bottom left recessive, bot-tom right homzygous. And for the dichotomous key put a 5-7 length branch showing the animals that have fur, can breathe under water, what cannot or doesn't have those traits. or something similar

Hopefully this helps :)

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3 years ago
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What is in the nucleus of an atom?
lora16 [44]

Answer:

energy??????????????

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3 years ago
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