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Why is it wrong to leave a bottle of anhydrous sodium sulfate or calcium chloride open?
The hydrated forms of these compounds are lower energy thermodynamically than the anhydrous forms. It takes heat energy to drive the water out of these salts to make them anhydrous. If left in the open, the anhydrous forms will take up water from the atmosphere and re-hydrate themselves. This process releases heat energy, so it "runs downhill" energy-wise.
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2 Why is it wrong to leave a bottle of anhydrous sodium sulphate or calcium chloride open?
Leaving a bottle of anhydrous sodium sulfate or calcium chloride open can cause them to absorb water from the air, making them less effective in their intended use as drying agents. This can alter the concentration and properties of the chemicals, leading to inaccurate results in experiments or processes that require precise conditions.
What is a sulfate free and sodium chloride free shampoo?
Organix makes two types that are both sulfate free and sodium chloride free. They're both ever straight, one is a brown bottle and one is a pink bottle, but they both say sodium chloride and sodium free on the bottom above the Organix label!
Is dove shampoo Sodium Laureth Sulfate free?
Some Dove shampoos do contain Sodium Laureth Sulfate as an ingredient. It's always best to check the ingredient list on the specific bottle you have.
Why silver chloride storage in dark colour bottle?
Silver chloride is light-sensitive and can degrade when exposed to light, causing it to darken. Storing it in a dark-colored bottle helps protect it from light exposure, ensuring its stability and preventing any unwanted changes in its properties.该APP版本较低，无此功能。
Is magnesium sulfate explosive?
magnesium is highly flammable, so magnesium is explosive
2 Why is it wrong to leave a bottle of anhydrous sodium sulphate or calcium chloride open?
Leaving a bottle of anhydrous sodium sulfate or calcium chloride open can cause them to absorb water from the air, making them less effective in their intended use as drying agents. This can alter the concentration and properties of the chemicals, leading to inaccurate results in experiments or processes that require precise conditions.
What is a sulfate free and sodium chloride free shampoo?
Organix makes two types that are both sulfate free and sodium chloride free. They're both ever straight, one is a brown bottle and one is a pink bottle, but they both say sodium chloride and sodium free on the bottom above the Organix label!
Can 99.5 percent anhydrous glycerin be used to relieve dry eyes?
Mine says avoid contact with eyes on the bottle. :(
Why is it unwise to put left calcium carbonate back in the bottle?
because once it has left the bottle it can easily become contaminated.
Why is it unwise to put AR calcium carbonate back in the bottle after an experiment?
The purpose is to avoid any contamination of the reagent in the bottle.
If a bottle of concentrated HCL if placed next to a bottle of concentrated NH4OH what is the white residue that eventually coats each bottle?
The white residue that forms on the bottles is likely ammonium chloride (NH4Cl), which is formed by the reaction between hydrochloric acid (HCl) and ammonia (NH3) vapors in the air. This reaction produces ammonium chloride as a result of the combination of the two gases.
Does potassium and chloride combined make a covalent compound?
No. Potassium chloride is an ionic compound. (By the way, the way the question is worded implies that one could have a bottle full of "chloride," which is at least misleading.)
Is dove shampoo Sodium Laureth Sulfate free?
Some Dove shampoos do contain Sodium Laureth Sulfate as an ingredient. It's always best to check the ingredient list on the specific bottle you have.
What year was bottled water introduced?
The first PVC (polyvinyl chloride) bottle was launched in 1969
How much sodium is in a 700g bottle of salt?
By mass, sodium chloride is 39.3% sodium, so a 700g bottle of salt would contain about 275 g of sodium.
Can I order a calcium magnesium supplement from the GNC website?
Yes, you can get the calcium magnesium supplement from the GNC website. It is convenient to have them ship to your home or office. They offer a bottle of 180 caplets GNC Calcium Plus 1000 with Magnesium & Vitamin D.
Does powerade zero have aspertame in it?
According to the official website, its ingredients include Water, citric acid, mineral salts (sodium chloride, magnesium chloride, calcium chloride, potassium phosphate), natural berry flavouring with other natural flavourings, acidity regulator (E332), sweeteners (sucralose, acesulfame K), colour (E133). So, yes, sucralose and acesulfame K.
