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3 years ago

The difference between the three types of mechanical waves.

2 answers:

8 0

There are three types of mechanical waves: transverse, longitudinal, and surface waves. They differ in how particles of the medium move. ... In a longitudinal wave, particles of the medium vibrate back and forth parallel to the direction of the wave.

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Please mark as brainliest.........

bagirrra123 [75]3 years ago

7 0

Answer:

Explanation:

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How many CaF are in a 1.7x10^25 please I need help fast!!

Gemiola [76]

<h3>Answer:</h3>

28 mol CaF

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 1.7 × 10²⁵ molecules CaF

[Solve] moles CaF

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

[DA] Set up: $\displaystyle 1.7 \cdot 10^{25} \ molecules \ CaF(\frac{1 \ mol \ CaF}{6.022 \cdot 10^{23} \ molecules \ CaF})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 28.2298 \ moles \ CaF$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

28.2298 mol CaF ≈ 28 mol CaF

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3 years ago

The less energy a wave has, the greater its amplitude. True or False

S_A_V [24]

Answer:

true

Explanation:

the more energy a wave has the greater the amplitude is

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3 years ago

Which of the following statements is not true of the phases of a given substance ?

velikii [3]

The particles of gases have more kinetic energy than liquids and gases.

Explanation:

We know that in case of solids the molecules are very tightly packed , in case of liquids the molecules are loosely packed and lastly in case of gases the molecules are very loosely packed.
As we known in case of solids energy present is very less and in case of liquids energy present is more than solids and lastly in case of gases the energy present is most.
Gases have more kinetic energy because the particles present in gaseous form can move easily without any obstruction.

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3 years ago

Which level is made up of organisms that break down dead organisms?

mario62 [17]

Answer:

Explanation:

decomposers

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3 years ago

How are electric circuits like water in pipes list two ways

____ [38]

They flow through the inslation of the house .

they both help things travel

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3 years ago