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Exothermic: Heat is given off as one of the products. The container holding the reactants and the products gets hot during the reaction. Use approximately 5 mL of 6M HCl and add to a testtube containing a small peice of mossy Zn. Immediately place a thermometer in the testtube and you will see a quick rise in temperature. This rise in temperature indicates that heat is given off which is a clear sign of an exothermic reaction. Hope this helps!!
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Would you describe the reaction of calcium in water as being exothermic or endothermic?
The reaction between calcium and water is very exothermic.
Is the dissolving of calcium chloride endothermic or exothermic?
The dissolving of calcium chloride in water is exothermic, meaning it releases heat. This is because the process of dissolving calcium chloride is accompanied by the breaking of ionic bonds, which releases energy in the form of heat.
Mix calcium oxide with water and then what happens?
Well, The chemical reaction when calcium is placed with water is a fizzing. It fizzes and also "produces" heat. Not sure what the chemical formula would be called however. Calcium Hydroxide possibly
Does heating calcium carbonate produce an endothermic or exothermic reaction?
Heating calcium carbonate (CaCO3) produces an endothermic reaction because energy is absorbed in the form of heat to break the bonds between the calcium, carbon, and oxygen atoms in the compound. This results in the decomposition of calcium carbonate into calcium oxide (CaO) and carbon dioxide (CO2).
What happens when calcium is added in water?
Calcium will react vigorously with water to produce calcium hydroxide and hydrogen gas. The equation is: Ca + 2H2O --> Ca(OH)2 + H2. This reaction is exothermic, therefore it produces heat.
Is Calcium chloride in water is endothermic or exothermic?
The dissolution of calcium chloride in water is exothermic, meaning it releases heat. This reaction results in an increase in temperature of the solution.
Would you describe the reaction of calcium in water as being exothermic or endothermic?
The reaction between calcium and water is very exothermic.
Do self heating cans warm up their contents using an exothermic or endothermic reaction?
Self-heating cans warm up their contents using an exothermic reaction. This reaction typically involves mixing water with quicklime (calcium oxide), which generates heat as it reacts to form calcium hydroxide.
Is the dissolving of calcium chloride endothermic or exothermic?
The dissolving of calcium chloride in water is exothermic, meaning it releases heat. This is because the process of dissolving calcium chloride is accompanied by the breaking of ionic bonds, which releases energy in the form of heat.
Why is salt endothermic?
Salt is not inherently endothermic; rather, it can exhibit endothermic properties in certain situations. For example, when salt dissolves in water, it can absorb heat from the surroundings, leading to an endothermic process. This is because breaking the ionic bonds in salt requires energy, which is supplied by the surroundings in the form of heat.
What do you get when you add water to calcium oxide?
It's an exothermic reaction that produces calcium hydroxide.
Is obtaining lime from limestone exothermic?
The hydratation of concentrated OH- and Na+ ions (by dilution) is exothermic, it gives an energetically prefered state of matter.(Hydratation is the extra surrounding of the ions by polar water molecules of the solvent).
Is reacting calcium carbonate with hydrochloric acid endothermic or exothermic?
Reacting calcium carbonate with hydrochloric acid is an exothermic reaction. It releases heat energy as the reaction proceeds, making the surroundings warmer.
Mix calcium oxide with water and then what happens?
Well, The chemical reaction when calcium is placed with water is a fizzing. It fizzes and also "produces" heat. Not sure what the chemical formula would be called however. Calcium Hydroxide possibly
What is the compound formed when Calcium oxide reacts with water?
Calcium oxide reacts with water to form calcium hydroxide, also known as slaked lime. This process is exothermic and produces heat. Calcium hydroxide is a white powder that is sparingly soluble in water.
Does phenol red mixed with calcium chloride and baking soda turn out to be a exothermic or endothermic?
The reaction between phenol red, calcium chloride, and baking soda is endothermic. The mixture will absorb heat from its surroundings as it undergoes the reaction, causing the temperature of the mixture to decrease.
Is calcium carbonate being heated into calcium oxide and carbon dioxide endothermic or exothermic?
The reaction of calcium carbonate being heated into calcium oxide and carbon dioxide is an endothermic reaction because it requires the input of energy to break the bonds in the calcium carbonate molecule and form the products.
