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Hydrated antacids may be less effective. The anhydrous sodium carbonate in Eno antacid powder would absorb ambient humidity as soon as it was opened.
However, barring inappropriate storage (excessive heat, broken packaging, wetness around the package) this stuff should last forever in individual serving packages. So, the expiration date is probably either to: encourage you to discard a still-useful product; or federal guidelines set some sort of standard maximum expiration period.
What else can I help you with?
Name the additional product formed when an acid is neutralized by an antacid that contains a carbonate or bicarbonate?
When an acid is neutralized by an antacid containing a carbonate or bicarbonate, carbon dioxide gas is produced as an additional product along with water and a salt.
What chamicals are in antacids?
A common compound in antacids is calcium carbonate. Sodium bicarbonate is also an antacid.
Is sodium carbonate the same as sodium bicarbonate?
No, sodium carbonate (Na2CO3) and sodium bicarbonate (NaHCO3) are two different compounds. Sodium carbonate is commonly known as washing soda and is used in cleaning products, while sodium bicarbonate is known as baking soda and is often used in baking and as an antacid.
Is sodium bicarbonate the same as sodium carbonate?
No, sodium bicarbonate (baking soda) and sodium carbonate (soda ash) are different compounds with distinct chemical compositions. Sodium bicarbonate is commonly used in baking and as an antacid, while sodium carbonate is used in making glass, detergents, and other industrial processes.
What is the state of hydrogen carbonate?
Hydrogen carbonate exists as a salt called bicarbonate. It is commonly found in the form of baking soda (sodium bicarbonate), which is a white crystalline solid at room temperature. Bicarbonate is soluble in water and is commonly used in cooking, cleaning, and as an antacid.
Is sodium bicarbonate an antacid?
Yes, sodium bicarbonate is an antacid that helps to neutralize stomach acid and relieve heartburn and indigestion.
Why is carbonate or bicarbonate is common in antacids?
Carbonate and bicarbonate ions in antacids can help neutralize stomach acid by reacting with it to form carbon dioxide and water, reducing the acidity of the stomach. This reaction helps to alleviate symptoms of acid reflux, indigestion, or heartburn. Additionally, carbonate and bicarbonate are relatively safe compounds for consumption and have a long history of use in antacid medications.
Do all commercial antacids contain magnesium hydroxide?
No, not all commercial antacids contain magnesium hydroxide. Antacids can contain different active ingredients such as calcium carbonate, aluminum hydroxide, or sodium bicarbonate in addition to magnesium hydroxide. It depends on the specific formulation and brand of the antacid.
What is hydrogen carbonate used for?
Hydrogen carbonate, also known as bicarbonate, is used in various applications such as baking as a leavening agent, in medicine as an antacid to treat indigestion and heartburn, and in fire extinguishers as a component of the dry chemical powder. It also plays a role in regulating the pH levels in the body to maintain homeostasis.
What is sodium bicarbonate used for?
It is used as a medicine, a food preservative, in effervescent beverages, in ceramics, and to prevent mold. It is alsso known as baking soda, bicarbonate of soda, or sodium acid carbonate.
What is eno salt made of?
Eno salt is made of a combination of sodium bicarbonate, citric acid, and other ingredients such as sodium carbonate and sodium cyclamate. It is commonly used as an antacid to help relieve indigestion and heartburn.
What do antacids contain?
Most antacids contain oxygen and some sort of metal (calcium, sodium, potassium, aluminum, and magnesium are common). Additionally, most will contain hydrogen (in Mg(OH)2 and Al(OH)3), carbon (in CaCO3), or both (in NaHCO3 and KHCO3).
