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Calcium
Calcium is a chemical element with the atomic number 20 and symbol Ca. It is an alkaline earth metal and one of the most abundant metals in the Earth’s crust. Calcium is also essential for living organisms, both as a catalyst for cellular processes and as a component of shells, bones, and teeth.
873 Questions
No.
Since potassium is an element by itself, it does not have calcium in them.
However, it could combine together to create potassium calcium (which is a vitamin).
There are such things as a potassium calcium channel in a cell.
Why do we need calcium and how do we get it?
Calcium is essential for building and maintaining strong bones and teeth, as well as proper muscle function and nerve transmission. We can get calcium from dairy products like milk, cheese, and yogurt, as well as from green leafy vegetables, nuts, and fortified foods such as plant-based milks and orange juice.
How many moles of calcium are in 15.5 g calcium chloride?
If grams/molar mass=moles, then first the molar mass of the compound must be found. CaCl2 has a molar mass of 110.984. Divide the number of grams, 15.5, by 110.984, and you get the number of moles. Now, seeing as calcium is not diatomic like oxygen or chlorine, there needs to be no conversion between the number of moles of calcium in the compound and the number of moles of calcium outside of the compound. atoms, the number of calcium atoms in the compound divided by one mole of the compound will give us the ratio. Conveniently enough, that ratio is one calcium atom per molecule of calcium chloride, meaning that for every one mole of calcium chloride, 1 mole of pure calcium can be extracted. So once you find the number of mole of CaCl2, that is the number of moles of calcium as well. This may be a little difficult to grasp, but I'm sure that your teacher, if you're a student, will be able to explain why rather well.
Calcium carbonate to form calcium oxide and carbon dioxide?
Calcium carbonate is heat at very high temperatures (near 1000°C) and it decomposes into Calcium oxide and Carbon dioxide:
CaCO3 --Δ--> CaO + CO2
When water is added to Calcium oxide, the Calcium hydroxide is formed:
CaO + H2O ----> Ca(OH)2
This can be again converted back to Calcium carbonate, by blowing Carbon dioxide through the solution. The white precipitate is Calcium carbonate:
Ca(OH)2 + CO2 ----> CaCO3 + H2O
What is the difference between Oyster Shell calcium and calcium Carbonate?
Oyster shell calcium is derived from oyster shells and contains other minerals besides calcium. Calcium carbonate is a more common form of calcium supplement that is synthetically made and contains only calcium. Oyster shell calcium may be better absorbed by some individuals due to the additional minerals present.
Pantothenic acid, the amide of beta-alanine and pantoic acid, is a B complex vitamin acting as a precursor in the biosynthesis of coenzyme A, involved in the metabolism as an antioxidant to breakdown many biochemical substances (fatty acids, steroids, phospholipids, heme, amino acids, and carbohydrates). The adrenal gland is an important site of pantothenic acid activity. It can be found ubiquitously in foods, and no deficiency syndrome has been demonstrated in humans except by experimental administration of the pantothenic acid antagonist (omega-methylpantothenic acid). Pantothenic acid is an unstable oil. The usual forms for feed supplementation are its salts, calcium D-pantothenate, sodium D-pantothenate and D-panthenol (liquid). ......
D-Calcium Pantothenate is synthetically prepared from pantothenic acid and is sold as a vitamin B5 supplement. Usually, it is available as a white powder. Most importantly, it does not have a smelly odor. It is bitter in taste and shows hygroscopic property. The aqueous solution of D Calcium Pantothenate is slightly alkaline and easily dissolves in water. Commonly used as a food additive, this powder should be stored in a cool, dry place. D Calcium Pantothenate supplements are prescribed to relieve morning stiffness and pain associated with rheumatoid arthritis, and also as acne treatment.
Yes, cows do provide calcium, primarily in the form of dairy products such as milk, cheese, and yogurt. These foods are rich sources of calcium, which is essential for building and maintaining strong bones and teeth.
Why it is unlikely that calcium chloride crystals are made from calcium metal?
It is unlikely that calcium chloride crystals are made from calcium metal because calcium is a rare and very expensive metal, also very susceptible of corrosion in normal air.
It is much easier to start with limestone (CaCO3) and dissolve it with hydrochloric acid. Carbon dioxide is released and the excess of water should be evaporated after filtering of the undissolved particles of the limestone impurities.
(CaCO3)s + (impurities of limestone)s + (HCl)l => (CaCl2)s + (CO2)g + (H2O)evap +
+ [impurities of limestone]filter
Calcium thiosulfate is a chemical compound formed by combining calcium, sulfur, and oxygen. It is commonly used as a fertilizer to provide calcium and sulfur nutrients to plants. It can also be used in water treatment to remove chlorine.
Calcium is one of the essential minerals needed by the human body for maintaining strong bones and teeth, muscle function, nerve transmission, and blood clotting. It is found in dairy products, leafy greens, nuts, seeds, and fortified foods.
Where does the body get calcium from?
Calcium comes from stars, I think from white dwarf stars that go supernova. Hopefully someone can improve this by giving more specifics. Anyway, after the soft earth metal is formed it then floats off into space until it meets other stardust to form a planet, then plants pick it up, then cows eat the plants, then you eat the cow (or it's milk, or as in some African tribes, it's blood).
What is the number of calcium atoms in calcium chloride?
Calcium ions have a charge of +2 and chlorine ions have a charge of -1. Because a compound is neutral, you need two chlorine atoms per calcium atom, thus giving us the formula of CaCl2. This tells us that there is one calcium atom in the compound.
Wheat contains some calcium, but the amount is relatively low compared to other sources of calcium like dairy products or leafy greens. Consuming a varied diet that includes a variety of calcium-rich foods is recommended to meet your daily calcium needs.
Why can not you obtain calcium from calcium chloride?
Calcium chloride is a salt compound that dissociates into calcium and chloride ions in solution. While it does contain calcium ions, it is not a suitable source of calcium for dietary needs as the chloride ion may have negative effects in high amounts. It is not a bioavailable form of calcium for human consumption.
essential minerals for proper body function. Sodium is important for fluid balance and nerve function, while calcium is crucial for strong bones and teeth. Both minerals are obtained through diet and play vital roles in various bodily processes.
Calcium is a very reactive metal and is always found in a reacted state in compounds where it is ionic, present as the Ca2+ ion. The best known mineral is limestone, calcium carbonate. Calcium metal is not produced commercially in great quantities, one method of production is to react calcium oxide with aluminium at high temperature,
, a so-called aluminothermic reaction similar to the thermite reaction where aluminium is the reducing agent.
What is the equivalent weight of calcium chloride?
The equivalent weight of calcium chloride (CaCl2) is 55.5 g/mol. This is the amount of the compound that can donate or accept one mole of electrons in a reaction.
What is calcium channel blockers?
A calcium channel blocker is a drug that lowers blood pressure by either preventing calcium from entering cells of the cardiac muscle, or the smooth muscle cells of the blood vessel walls.
Are calcium carbonate and calcium citrate ionic forms of calcium?
Yes, both calcium carbonate and calcium citrate are ionic forms of calcium. Calcium ion (Ca²⁺) is the active component in these compounds, which dissociates in solution to form ions.
Calcium-42 is a radioactive isotope that can be used in medical research, particularly in studies related to bone formation and calcium metabolism. It can also be used in geology to trace calcium movements in natural systems.
Is Calcium acetylene and calcium carbide are same?
Calcium acetylene and calcium carbide are not the same. Calcium carbide is a chemical compound composed of calcium and carbon, while calcium acetylene is a gas produced when calcium carbide reacts with water. Calcium carbide is commonly used in the production of calcium acetylene for welding and cutting applications.
Calcium is a very reactive metal and is always found in a reacted state in compounds where it is ionic, present as the Ca2+ ion. The best known mineral is limestone, calcium carbonate. Calcium metal is not produced commercially in great quantities, one method of production is to react calcium oxide with aluminium at high temperature, , a so-called aluminothermic reaction similar to the thermite reaction, where aluminium is the reducing agent.
Is calcium caltrate the same as calcium?
No the chloride ion is a chlorine atom that has gained an electron and has a -1 charge. Because it is charged the chloride ion must be accompanied by a positive ion of some sort to balance the charge.
Calcium chloride is a compound that contains chloride ions (Cl-) and calcium ions (Ca2+) and has the formula CaCl2
