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3 years ago

This characteristic of a sound wave changes as the volume of the sound wave changes

2 answers:

8 0

<span>When a sound wave reaches near the ear, the outer part of the ear acts like if its a funnel, so it catches the wave and funnels it into the ear. They the wave hits the eardrum. Then the bones in the eardrum cause each other to vibrate. Then they are sensed by nerves and sends signals to the brain to interpret sound. Hope This Helps!</span>

natima [27]3 years ago

5 0

AMPLITUDE of a sound wave changes as the volume of the sound wave changes

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According to the rate law (rate = k[a]m[b]n), what does the rate of a reaction depend on?

Andreyy89

Concentration of the reactant,pressure,surface
area of the reactant and temperatur

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3 years ago

For the reaction PC15 (8) PC13 (g) + Cl2 (g) K = 0.0454 at 261 °C. If a vessel is filled with these gases such that the initial

Fiesta28 [93]

Answer:

The correct answer is B.

The $K_{eq}$ is samller than $Q$ of the reaction . So,the reaction will shift towards the left i.e. towards the reactant side.

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as $K_{eq}$

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

$PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)$

The expression for $Q$ is written as:

$Q=\frac{[PCl_3][Cl_2]}{[[PCl_5]^1}$

$Q=\frac{0.20 M\times 2.5 M}{0.20 M}$

$Q=2.5$

Given : $K_{eq}$ = 0.0454

Thus as $K_{eq}$ , the reaction will shift towards the left i.e. towards the reactant side.

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3 years ago

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Which of the following statements is true?

AlekseyPX

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Explanation:

Its eurasian plate.

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2 years ago

If an ocean wave has a frequency of 2 hz and a speed of 4 m/s , what is the wavelength

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State why the salts in sports drinks are classified as electrolytes

viktelen [127]

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Explanation:

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