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Ulleksa [173]
3 years ago
14

What do you observe about the movement of the particles in the medium?

Chemistry
2 answers:
Rama09 [41]3 years ago
7 0

Answer:

The particles in the wave medium are vibrating up and down.

Explanation:

horrorfan [7]3 years ago
5 0

Answer:

The particles of the medium just vibrate in place.

Explanation:

As they vibrate, they pass the energy of the disturbance to the particles next to them, which pass the energy to the particles next to them, and so on. Particles of the medium don't actually travel along with the wave.

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What is the difference between a rock and a mineral?
SVEN [57.7K]

Answer:

A rock is an inconsistent mixture of minerals, while mineral is "pure" and made  up of a precise combination of chemicals.

Explanation:

5 0
3 years ago
In a titration experiment 12.5 ml of 0.500 m h2so4 neutralized 50.0 ml of naoh. the concentration of the naoh solution is ____.
s344n2d4d5 [400]

0.250 mol/L

<em>Step 1</em>. Write the chemical equation

H2SO4 + 2NaOH → Na2SO4 + 2H2O

<em>Step 2</em>. Calculate the moles of H2SO4

Moles of H2SO4 = 12.5 mL H2SO4 × (0.500 mmol H2SO4/1 mL H2SO4)

= 6.25 mmol H2SO4

<em>Step 3</em>. Calculate the moles of NaOH

Moles of NaOH = 6.25 mmol H2SO4 × (2 mmol NaOH/(1 mmol H2SO4)

= 12.5 mmol NaOH

<em>Step 4</em>. Calculate the concentration of the NaOH

[NaOH] = moles/litres = 12.5 mmol/50.0 mL = 0.250 mol/L

4 0
3 years ago
According to recent research ice skaters are able to glide smoothly across the ice because
Anna11 [10]
Ice is constantly subliming to form a layer of water vapor
6 0
3 years ago
Name 8 ways why landfill is bad for earth
Sergio039 [100]

Answer:

1.Creates environmental hazards

2.Can contribute to global warming processe

3.Can pollute harmful and toxic things in the air

4.has harmful gases that can hurt the environment including the water and soil

5.A waste of space that is taking up the earth

6.full of rubbish and toxins that can effect the environment

7.can hurt humans and animals because of the toxic chemicals produced in the air

8.Make the land soil weaker because of the bad toxins and chemicals

4 0
3 years ago
What is the mass, in grams, of each elemental sample? a. 2.3 * 10-3 molSb b. 0.0355 mol Ba c. 43.9 mol Xe d. 1.3 mol W
belka [17]

Answer:

a. Sb =0.280048 g ,  b. Ba=4.875215 g ,  c.  Xe=5763.631 g ,    d. W=238.992 g

Explanation:

number of moles = \frac{mass}{molar mass}

(a) For Sb, molar mass =121.76g/mol

number of moles =2.3*10^{-3}mol

<em>mass= number of moles * molar mass</em>

mass =2.3*10^{-3} *121.76

mass =0.280048 g

(b) for Ba, molar mass=137.33 g/mol

number of moles =0.0355 mol

mass = 0.0355 *137.33

mas = 4.875215 g

(c) for Xe, molar mass = 131.29 g/mol

number of moles =43.9 mol

mass =43.9 *131.29

mass =5763.631 g

(d) for W, molar mass = 183.84 g/mol

number of moles = 1.3mol

mass = 1.3 *183.84

mass = 238.992 g

4 0
3 years ago
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