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GrogVix [38]
3 years ago
15

-

Chemistry
1 answer:
mart [117]3 years ago
3 0

Answer:

reaction B is the best one I would choose

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a clown in the park gave a child a balloon filled with 7.00 L of helium at 301 K. What will the volume of the balloon be when th
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Answer:

6.9L

Explanation:

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3 years ago
A(n)____ is a negatively-charged subatomic particle.<br> Help plz I need this before tmr morning
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the answer is electron

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4 years ago
A 0.245-L flask contains 0.467 mol co2 at 159 °c. Caculate the pressure using Van der Walls equation
AlladinOne [14]

Answer:

The right answer is "60.56 atm".

Explanation:

As we know,

Vander wall's equation is:

⇒ (P+\frac{n^2 a}{v^2} )(v-nb)=nRT

or,

⇒ P=\frac{nRT}{(v-nb)}-\frac{n^2 a}{v^2}

Here,

a = 3.59 L² atm mol⁻²

b = 0.0427 L mol⁻¹

By putting the values in the above equation, we get

⇒ P=\frac{0.467\times 0.0821\times 432}{0.245-0.467\times 0.0427}

       =\frac{(0.467)^2\times 3.49}{(0.245)^2}

       =73.61-13.05

       =60.56 \ atm

8 0
3 years ago
Consider the reaction below. C2H4(g) + H2(g) to C2H6(g) Which change would likely cause the greatest increase in the rate of the
algol [13]
D. Increase temperature and increase pressure
4 0
3 years ago
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How many atoms of each element are in the chemical formula......
vladimir1956 [14]

Answer:

Option B. 1 calcium, 2 oxygen, and 2 hydrogen

Explanation:

The number of each atoms present in Ca(OH)2 can be summarised as follow:

Calcium (Ca) = 1

Oxygen (O) = 2

Hydrogen (H) = 2

From the above illustration, we can see clearly that Ca(OH)2 contains 1 calcium, 2 oxygen and 2 hydrogen.

6 0
3 years ago
Read 2 more answers
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