Sound travels faster through solids than it does through either liquids or gases a student could verify this statement by
1 answer:
Group of answer choices.
A. Distance that sound travels through a solid, a liquid, and a gas.
B. Pitch of sound when it passes through a solid, a liquid, and a gas.
C. Distance sound travels through a solid, a liquid, and a gas at varying temperatures.
D. Time required for sound to travel a set distance through a solid, a liquid, and a gas.
Answer:
D. Time required for sound to travel a set distance through a solid, a liquid, and a gas.
Explanation:
Sound are mechanical waves that are highly dependent on matter for their propagation and transmission.
Sound travels faster through solids than it does through either liquids or gases. A student could verify this statement by measuring the time required for sound to travel a set distance through a solid, a liquid, and a gas.
Mathematically, the time required for sound to travel is given by this formula;
Hence, the time taken for sound to travel through each medium (solid, liquid and gas) would be measured, recorded and compared to one another.
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Answer:
Molar percent of sodium in original mixture is 88,50%
Explanation:
The last reaction is:
BaCl₂ + Na₂SO₄ → BaSO₄ + 2 NaCl
The moles of BaCl₂ are:
0,132L × 3,80M = 0,502 moles of BaCl₂
As the amount of BaCl₂ is the maximum possible to produce BaSO₄, the moles of BaCl₂ must be the same than moles of Na₂SO₄.
0,502 moles of BaCl₂ ≡ 0,502 moles of Na₂SO₄
These moles of Na₂SO₄ comes from:
2 Na + H₂SO₄ → Na₂SO₄ + H₂
As the reaction is in stoichiometric amounts, moles of Na are twice the moles of Na₂SO₄
0,502 moles of Na₂SO₄ ×× 22,99 g/mole = 23,08 g of Na
Molar percent of sodium in original mixture is:
= <em>88,50% </em>
I hope it helps
Complete Question
The complete question is shown on the first uploaded image
Answer:
The pressure is
Explanation:
From the question we are told that
The mass of the carbon monoxide is
The temperature at which takes place
The volume of the sealed vessel is
Generally the ideal gas law is mathematically represented as
Where R is the gas constant with value
n is the number of moles of carbon monoxide which is mathematically evaluated as
where is the molar mass of carbon monoxide which is a constant with value
So
Now Making P the subject we have
