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VLD [36.1K]
1 year ago
14

What will have the slowest onset time in an allergic reaction: injected, ingested, inhaled, touch. Why?

Chemistry
1 answer:
Sever21 [200]1 year ago
5 0

Inhaled allergies will have the slowest onset time in an allergic reaction.

Inhaled allergies are also known as delayed-type hypersensitivity of allergic reactions because they occur after at least 24 hours of exposure to an allergen.

These reactions usually occur 48 to 72 hours or more to get exposure after contact with the allergen. Respiratory allergies are the most common type of allergy. Symptoms may include:

  • sneezing  
  • runny nose  
  • watery eyes  
  • itchy eyes  

Many people with inhaled allergies only have symptoms at certain times of the year. Pollen, grass, and mold are the most common triggers for seasonal allergies.  

Many types of airborne allergens are prevalent indoors.  

  • Fungi  
  • Molds  
  • Animal
  • dander  
  • Mites

Many long-term infectious diseases, such as tuberculosis and fungal infections are its examples.

Learn more about Inhaled allergies here : brainly.com/question/7290086

#SPJ4

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Identify the single displacement reaction. 2H 2 + O 2 ⟶ 2H 2O Al 2S 3 ⟶ 2Al + 3S Cl 2 + 2KBr ⟶ 2KCl + Br 2 C 4H 12 + 7O 2 ⟶ 6H 2
ozzi

Answer: Cl_2+2KBr\rightarrow 2KCl+Br_2

Explanation:

A single displacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution. Thus one element should be different from another element.

Cl_2+2KBr\rightarrow 2KCl+Br_2

Synthesis reaction is defined as the reaction where substances combine in their elemental state to form a single compound.2H_2+O_2\rightarrow 2H_2O

Decomposition reaction is defined as the reaction where a single substance breaks down into two or more simpler substances.

Al_2S_3\rightarrow 2Al+3S

Combustion is a type of chemical reaction in which hydrocarbons burn in the presence of oxygen to form carbon dioxide and water along with heat.

C_4H_{12}+7O_2\rightarrow 6H_2O+4CO_2

6 0
3 years ago
What information can be found on a diagram of the earths energy budget
Yanka [14]

Answer:

Explanation:

the balance between the energy that Earth receives from the Sun, and the energy the Earth radiates back into outer space after having been distributed throughout the five components of Earth's climate system.

6 0
3 years ago
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nata0808 [166]

Answer:

A

Explanation:

4 0
3 years ago
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which of the following requires the most energy to break a bond? a. breaking cl-br bond. b. breaking a n-p bond. c. breaking a o
irina1246 [14]

A. Breaking a Cl-Br bond

6 0
2 years ago
How many moles of water are produced when 3.45 moles of KMnO4 react? Give your answer to the nearest 0.1 moles. moles H2O
andrew11 [14]

Answer:

13.8 moles of water produced.

Explanation:

Given data:

Moles of KMnO₄ = 3.45 mol

Moles of water = ?

Solution:

Chemical equation:

16HCl + 2KMnO₄ → 2KCl + 2MnCl₂ + 5Cl₂ + 8H₂O

Moler ratio of water and KMnO₄:

             KMnO₄       :        H₂O

                2             :          8

               3.45         :         8/2×3.45 = 13.8 mol

Hence, 3.45 moles of KMnO₄ will produced 13.8 mol of water.

7 0
3 years ago
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