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Likurg_2 [28]
3 years ago
8

How do different types of waves make particles of matter move

Chemistry
1 answer:
Alborosie3 years ago
6 0

That depends on the wave, if you're talking about sound, it makes matter move in a similar wavelength as them, a mountainous shape. Light however would make whatever matter it hits start to move in the same direction as the light's angle of approach.

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Consider the reaction between iron (III) oxide, Fe2O3 and carbon monoxide, CO. Fe2O3 + 3CO --> 2Fe + 3CO2 In the process, 213
s344n2d4d5 [400]
To calculate the mass of Fe formed in a) we get first the limiting reactant between Fe2O3 and CO. Given the masses, the ratio of Fe2O3 is 1.33 while that of CO is 1.67. Hence the limiting reagent is Fe2O3. The mass of Fe formed is 148.98 grams. In b, the needed CO is only 112.04 grams. Hence, the excess is 27. 96 grams. 
8 0
3 years ago
What is the volume of 2.0 g of cs2 vapor (molar mass = 76.15 g/mol) at 70°c and 726 mm hg? l?
riadik2000 [5.3K]
To find the volume occupied by 2.0 g of CS₂ gas we can use the ideal gas law equation 
PV = nRT
where P - pressure - 726 mmHg x 133 Pa/mmHg = 96 558 Pa
V - volume 
n - number of moles = mass / molar mass
number of CS₂ moles = 2.0 g / 76.15 g/mol = 0.026 mol
R - universal gas constant - 8.314 Jmol⁻¹K⁻¹
T - temperature in kelvin - 70 °C + 273 = 343 K
substituting these values in the equation 
96 558 Pa x V = 0.026 mol x 8.314 Jmol⁻¹K⁻¹ x 343 K
V = 0.768 L
the volume occupied is 0.768 L 
5 0
3 years ago
Based on your knowledge of energy resources conservation, which of the following statements is true? a) Manufacturers can increa
Kruka [31]

Answer: Option (b) is the correct answer.

Explanation:

When useful energy is conserved then this conservation is known as energy conservation.

For example, when lights of a room are switched on where no one is sitting then on switching off the lights we are conserving wastage of electricity.

Thus, we can conclude that out of the given options, the statement energy resources can be conserved by turning off lights when they are not in use is true.

5 0
3 years ago
When comparing the two elements Br and Ga, the larger element is GaG a When comparing the two elements Br and Ga, the larger ele
dedylja [7]

Answer:

FALSE

Explanation:

Br is <em>bromine</em> with atomic number 35, mass number of 79.904 and belongs to the group 7 elements known as the halogens.

Ga is <em>gallium</em> with atomic number 31, mass number of 69.72 and belongs to the alkaline earth metal i.e the group 3 elements.

From the above and in terms of their mass number, it is evident that Br is the larger element compared to Ga which is lesser than Br. Hence the statement is FALSE

4 0
3 years ago
Which of the following molecules has a characteristic broad stretch at 3300 cm-1?
ddd [48]

Answer:

The answer is "Option A"

Explanation:

At 3300 cm-1, the wide region is equal to OH. It is a possible group of alcoholic features that includes drugs. In the given choices option a is correct that's the structure can be defined in attachment file please find it, and the wrong choice can be defined as follows:

  • In choice B, It is wrong because it doesn't include OH.  
  • In choice C, it uses the triple bond, that's why it is wrong.
  • In choice D, it uses the two bonds, that's why it is wrong.
  • In choice E, it uses the characteristic bond, that's why it is wrong.

5 0
3 years ago
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