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agasfer [191]
3 years ago
5

Arrange the following in order of increasing

Chemistry
1 answer:
Reptile [31]3 years ago
7 0

Answer:

Explanation:

The increasing order of energy of electromagnetic radiations is,

Radio wave∠ micro waves ∠ infrared radiations ∠ visible light ∠ ultraviolet ∠ x-rays ∠ gamma rays

1) visible radiation, ultraviolet radiation, infrared radiation, microwaves, x-rays

microwaves ∠ infrared radiation ∠  visible radiation ∠ ultraviolet radiation ∠ x-rays

2) microwaves, ultraviolet radiation, visible  radiation, infrared radiation, x-rays

microwaves ∠ infrared radiation ∠  visible radiation ∠ ultraviolet radiation ∠ x-rays

3) microwaves, infrared radiation, visible radiation, ultraviolet radiation, x-rays

microwaves ∠ infrared radiation ∠ visible radiation∠  ultraviolet radiation, ∠ x-rays

4) x-rays, microwaves, visible radiation, infrared radiation, ultraviolet radiation

microwaves ∠ infrared radiation ∠ visible radiation∠  ultraviolet radiation, ∠ x-rays

5) . infrared radiation, visible radiation, ultraviolet radiation, microwaves, x-rays

microwaves ∠ infrared radiation ∠ visible radiation∠  ultraviolet radiation, ∠ x-rays

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In a college of exactly 2760 students, exactly 65 % are male. What is the number of female students? Express your answer as an i
lina2011 [118]

Total number of students (male and female) in the college=2760. Total number of students including both male and female represents 100% (percentage) of students which is equal to 2760 number.

Number of male students is 65% (percentage) which is equal to \frac{2760X65}{100}= 1794. So, total number of female students are (100-65)%=35% (percentage) which is equal to \frac{2760X35}{100}=966 numbers.


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2 years ago
Write a balanced equation for the oxidation-reduction reaction that occurs when hydrogen peroxide reacts with ferrous ion
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H₂O₂ + 2FeSO₄ + H₂SO₄ → Fe₂(SO₄)₃ + 2H₂O

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3 years ago
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44.8% of a 250. mL acid solution is used in an experiment, what volume of acid (in mL) was used?
postnew [5]

Answer:

112 mL  

Explanation:

The formula for percent by volume is

\text{Percent by volume} = \dfrac{\text{Volume of solute}}{\text{Volume of solution}}\times 100 \, \%

If you have 250 mL of a solution that is 44.8 % v/v,

\begin{array}{rcl}44.8\, \% & = & \dfrac{\text{Volume of solute}}{\text{250 mL}}\times 100 \, \%\\\\44.8 \times \text{ 250 mL} & = & \text{Volume of solute} \times 100\\\text{Volume of solute} & = & \dfrac{44.8 \times 250\text{ mL}}{100}\\\\ & = & \textbf{112 mL}\\\end{array}

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3 years ago
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