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Tresset [83]
3 years ago
10

A balloon is filled with helium gas has a volume of 1.0 L at a pressure of 1.0 atm. The

Chemistry
1 answer:
stiv31 [10]3 years ago
5 0

Answer:

<h2>2.5 L</h2>

Explanation:

The new volume of the balloon can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{1 \times 1}{0.4}  =  \frac{1}{0.4}  \\  = 2.5

We have the final answer as

<h3>2.5 L</h3>

Hope this helps you

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The elements Lithium (Li), Boron (B), and Oxygen (O) are all in the same _________ on the periodic table.
AnnyKZ [126]

Answer:

Period

Explanation:

If we ubicate te period one on the alkaline metals, we can see the lithium, so we go to the borans on te group AIII an we see Boron, move to the rigth on the same sense tou the group AVI we see the Oxygen, we can know that also for the electronic configuration Li:1s²2s¹    B:1s²2s²3p

7 0
2 years ago
Sound waves travel faster than light waves.<br> A. True<br> B. False
NikAS [45]

Answer:

B

Explanation:

Light travels faster than sound.

4 0
3 years ago
Read 2 more answers
the combustion of a sample butane, C4H10 (lighter fluid) produced 2.46 grams of water. how many moles of water formed
enyata [817]
2C_4H_{10}+13O_2 ⇒ 8CO_2 + 10H_2O

n= \frac{m}{M} =  \frac{m}{2M(H)+M(O)}= \frac{2,46}{2*1,0+16,0}  = 0,14mol

So 0,14mol are formed.


6 0
3 years ago
For the reaction
azamat

Answer:

Mass = 5.56 g

Explanation:

Given data:

Mass of Cl₂ = 4.45 g

Mass of NaCl produced = ?

Solution:

Chemical equation:

2Cl₂ + 4NaOH     →   3NaCl + NaClO₂ + 2H₂O

Number of moles of Cl₂:

Number of moles = mass/molar mass

Number of moles = 4.45 g/ 71 g/mol

Number of moles = 0.063 mol

Now we will compare the moles of Cl₂ with NaCl.

                  Cl₂         :         NaCl

                    2          :          3

                 0.063      :        3/2×0.063 =0.095 mol

Mass of NaCl:

Mass = number of moles × molar mass

Mass = 0.095 mol × 58.5 g/mol

Mass = 5.56 g

7 0
2 years ago
Which of the following salts are soluble?
Alex787 [66]
Answer to the Question

C. Barium phosphate
8 0
3 years ago
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