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2 years ago

Longitudinal waves compress the medium they travel though. One example of a longitudinal wave is a

Chemistry

2 answers:

brilliants [131]2 years ago

8 0

A) i hope i helped answer

Flura [38]2 years ago

6 0

<span>A) sound wave. is the correct answer

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How do electromagnetic waves transfer energy without a medium?.

user100 [1]

Since em waves are not conveyed by that of the vibration of electrons, they do not need a medium to travel. Electrical and magnetic fields, that could exist anywhere, oscillate, creating waves.

<h3>What do you mean by Electromagnetic waves?</h3>

The oscillations here between electrostatic potential and a magnetic field produce waves known as electromagnetic waves, or EM waves. In other words, magnetism fields oscillate to form electromagnetic (EM) waves.

<h3>Electromagnetic waves, where are they?</h3>

In contrast to wave propagation, electromagnetism waves can travel without a medium. This implies that microwaves can pass not only through stationary surfaces like air and rock but also through empty space.

To know more about Electromagnetic waves visit:

brainly.com/question/2995167

#SPJ4

6 0

1 year ago

The equilibrium constant for the reaction:

Scrat [10]

Answer:

1. NO and Br₂

2. 77

3. 8.8

Explanation:

Let's consider the following reaction.

2 NO(g) + Br₂(g) ⇄ 2 NOBr(g)

The equilibrium constant for this reaction is:

$Kc_{1}=\frac{[NOBr]^{2}}{[NO]^{2}[Br_{2}]} =1.3 \times 10^{-2}$

1. At this temperature does the equilibrium favor NO and Br₂, or does it favor NOBr?

Since Kc₁ < 1, the reactants are favored, that is, NO and Br₂.

2. Calculate Kc for 2 NOBr(g) ⇄ 2 NO(g) + Br₂(g)

The equilibrium constant is:

$Kc_{2}=\frac{[NO]^{2}[Br_{2}]}{[NOBr]^{2}} =\frac{1}{Kc_{1}} =77$

3. Calculate Kc for NOBr(g) ⇄ NO(g) + 1/2 Br₂(g)

The equilibrium constant is:

$Kc_{3}=\frac{[NO][Br_{2}]^{1/2} }{[NOBr]} =\sqrt{\frac{[NO]^{2}[Br_{2}]}{[NOBr]^{2}}} =\sqrt{Kc_{2}} =8.8$

5 0

2 years ago

Which of the following reactants can oxidize sodium?

larisa [96]

Answer:

The answer is Aluminum

Hope this helps you

8 0

2 years ago

if a lead can be extrated with 92.5% efficiency,what is the mass of ore required to make a lead sphere with 750%cm radius

Lady_Fox [76]

The mass of ore required is 21 700 t.

r = 750 cm

V = $\frac{4}{3} \pi r^{3}$ = $\frac{4}{3} \pi (750 cm)^{3}$ = 1.767 × 10⁹ cm³

The density of lead is 11.34 g/cm³.

So mass of lead sphere = 1.767 × 10⁹ cm³ × $\frac{11.34 g}{1 cm^{3} }$ = 2.004 ×10¹⁰ g

2.004 ×10¹⁰ g × $\frac{1 kg}{1000 g}$ = 2.004 × 10⁷ kg

2.004 × 10⁷ kg × $\frac{1 t}{1000 kg}$ = 2.004 × 10⁴ t

92.5% efficiency means 92.5 t Pb per 100 t of ore.

Mass of ore = 2.004 × 10⁴ t Pb × $\frac{100 tore}{92.5 t Pb}$ = 2.17 × 10⁴ t ore = 21 700 t ore

6 0

2 years ago

The photo shows nervous tissue.

Nikolay [14]

Answer:

The answer is c( to send signals to control the body)

7 0

3 years ago

Read 2 more answers