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Alex777 [14]
3 years ago
14

Identify the two most common anions present in antacids

Chemistry
2 answers:
likoan [24]3 years ago
8 0

CO32- and OH- are the two most common anions in antacids.

noname [10]3 years ago
7 0

Answer:

negative ions.:

Hydroxyde ion (OH-)

Carbonate ion. (CO3 -- )

Explanation:

Acids generally, when are mixed in water, produces a lot of positive hydrogen protons, also knew as protons (H +) are responsible for raising the pH.

pH is (power of hydrogen), it means the more positive hydrogens ions more acid will be that substance. So the antacid's role, to neutralize these positive charges is to add more negative ions to the solutions.

In the stomach, when the stomach acid is liberated to degrade the food, it produces a lot of these protons (H +). The antacids who helps to neutralize this, most commonly used are, (OH-) and (CO3--).Acids generally, wher ar mixed in water, produce a lot of positive hydrogen protons, also knowed as protons (H+) are responsable for rise the pH.

Actually, pH are (power of hydrogen), it means the more positive hydrogens ions more acid will be that substance. So the antacids role, to neutralize this positive charges is add more negative ions to the solutios.

In the stomach, when the stomach acid are liberate to degradate the food, produces a lot of these protons (H+). The antacids who hepls to neutralize this, most commos used are, (OH-) and (CO3-- ).

This anions can be provide for substances like aluminum hydroxyde, magnesium hydroxyde, aluminium carbonate, and others..

These anions can be provided for substances like aluminum hydroxide, magnesium hydroxide, aluminum carbonate, and others.

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When 231. mg of a certain molecular compound X are dissolved in 65. g of benzene (CH), the freezing point of the solution is mea
Elan Coil [88]

Answer:

Molar mass X = 18.2 g/mol

Explanation:

Step 1: Data given

Mass of compound X = 231 mg = 0.231 grams

Mass of benzene = 65.0 grams

The freezing point of the solution is measured to be 4.5 °C.

Freezing point of pure benzene = 5.5 °C

The freezing point constant for benzene is 5.12 °C/m

Step 2: Calculate molality

ΔT = i*Kf*m

⇒ΔT = the freezing point depression = 5.5 °C - 4.5 °C = 1.0 °C

⇒i = the Van't hoff factor = 1

⇒Kf = the freezing point depression constant for benzene = 5.12 °C/m

⇒m = the molality = moles X / mass benzene

m = 1.0 / 5.12 °C/m

m = 0.1953 molal

Step 3: Calculate moles X

Moles X = molality * mass benzene

Moles X = 0.1953 molal * 0.065 kg

Moles X = 0.0127 moles

Step 4: Calculate molar mass X

Molar mass X = mass / moles

Molar mass X = 0.231 grams / 0.0127 moles

Molar mass X = 18.2 g/mol

5 0
3 years ago
A chemical formula with 2 or more symbols. is this an element or compound?
Cloud [144]

Answer:

compound

Explanation:

3 0
3 years ago
Read 2 more answers
A) Calculate the standard free-energy change at 25 ∘C for the following reaction:
Genrish500 [490]

Answer:

A) ΔG° = -3,80x10⁵ kJ

B) E° = 2,85V

Explanation:

A) It is possible to answer this problem using the standard ΔG's of formation. For the reaction:

Mg(s) + Fe²⁺(aq) → Mg²⁺(aq) + Fe(s)

The ΔG° of reaction is:

ΔG° = ΔGFe(s) + ΔGMg²⁺(aq) - (ΔGFe²⁺(aq) + ΔGMg(s) <em>(1)</em>

Where:

ΔGFe(s): 0kJ

ΔGMg²⁺(aq): -458,8 kJ

ΔGFe²⁺(aq): -78,9 kJ

ΔGMg(s): 0kJ

Replacing in (1):

ΔG° = 0kJ -458,8kJ - (-78,9kJ + okJ)

<em>ΔG° = -3,80x10² kJ ≡ -3,80x10⁵ kJ</em>

B) For the reaction:

X(s) + 2Y⁺(aq) → X²⁺(aq) + 2Y(s)

ΔG° = ΔH° - (T×ΔS°)

ΔG° = -629000J  - (298,15K×-263J/K)

ΔG° = -550587J

As ΔG° = - n×F×E⁰

Where n are electrons involved in the reaction (<em>2mol</em>), F is faraday constant (<em>96485 J/Vmol</em>) And E° is the standard cell potential

Replacing:

-550587J = - 2mol×96485J/Vmol×E⁰

<em>E° = 2,85V</em>

I hope it helps!

3 0
3 years ago
PLSSsss HELP ASAP :)
grin007 [14]

Answer:

Travis categorized their characteristics correctly.

Explanation: This is because plants use chloroplast in their cells to help them with photosynthesis, and this is what turns them green. Animals do not make their own food so they have no use for chloroplast in their cells.

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3 years ago
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How many protons does the biggest element of the periodic table have?
AnnZ [28]
Cesium is the biggest, atom wise.It has 55 protons.
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