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Novay_Z [31]
2 years ago
8

Some headache medicines are fine powders that are dissolved in water and then ingested. These medicines claim they work faster t

han other medicines. Could this be true? Why or Why not?
A. False: Chemicals react at the same rate in the body, as determined by body temperature.

B. False: These would actually slow the reaction because it would become less concentrated

C. True: A Solid will react quicker in the liquid environment of the stomach than a gas or liquid

D. True: A fine powder dissolves quickly, this solution can more quickly be absorbed and begin working
Chemistry
2 answers:
trasher [3.6K]2 years ago
8 0
The answer should be D
ryzh [129]2 years ago
6 0

i mean it can be true and it cant at the same time. i mean medicine doesn't always work on a person. but it is said that medicine that is in powder form is more efficient.

but i believe its D or A

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mafiozo [28]

This thermochemical equation needs to be balanced. Hence, option B is correct.

<h3>What is a balanced chemical equation?</h3>

A balanced equation contains the same number of each type of atom on both the left and right sides of the reaction arrow.

The balanced thermochemical equation is:

H_2(g) + 2NaCl (s) + 3O_2 (g) → 2HCl (l) + 2Na (s) + 2O_3 (g)

Hence, option B is correct.

Learn more about the balanced chemical equation here:

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1 year ago
What holds the hydrogen and oxegyn atoms together in a water molecule​
dem82 [27]

Answer: Hydrogen bonds

Explanation: Hydrogen bonds allow two molecules to link together temporarily. Water molecules are made up of two hydrogen atoms and one oxygen atom, held together by polar covalent bonds.

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2 years ago
Enter the symbol of a sodium ion, Na+, followed by the formula of a sulfate ion, SO42−. Separate the ions with a comma only—spac
gladu [14]

Na⁺,SO₄²⁻ is the answer

<h3>Further explanation </h3>

An ion is an atom or molecule that has a net electrical charge. There are many ions, one of them are sodium ion and sulfate ion.

SO₄²⁻ or Sulfate is a naturally occurring polyatomic ion that consist of a central sulfur atom surrounded by four oxygen atoms with occured widely in everyday life. Sodium ions are important for regulation of blood and body fluids, transmission of nerve impulses, heart activity, and certain metabolic functions.

Whereas Na⁺ or Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sulfate ion is a very weak base. Therefore sulfate ion undergoes negligible hydrolysis in aqueous solution.

Enter the symbol of a sodium ion, Na⁺, followed by the formula of a sulfate ion, SO₄²⁻. Separate the ions with a comma only—spaces are not allowed. Express your answers as ions separated by a comma. Therefore the answer is: Na⁺,SO₄²⁻

Hope it helps!

<h3>Learn more</h3>
  1. Learn more about sodium ion brainly.com/question/6839866
  2. Learn more about sulfate ion brainly.com/question/2763823
  3. Learn more about ions brainly.com/question/11852357

<h3>Answer details</h3>

Grade:  9

Subject:  Chemistry

Chapter:  Introduction to Mastering Chemistry

Keywords: sodium ion, sulfate ion, ions, Chemistry, symbol

6 0
2 years ago
Read 2 more answers
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masha68 [24]

Answer:

don't know what to do

Explanation:

i don't know the answer

5 0
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Which compound type is formed when two atoms share two electrons?
Pie
Covalent compounds
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5 0
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