The formula for lime water is Ca(OH) 2 and the chemical name for lime water is calcium hydroxide. The reaction between strontium and nitrogen gas (which has the formula N2) produces strontium nitride, which has the formula Sr3N2. 1. calcium + oxygen Æ 2. copper + sulfur Æ copper(II) sulfide 3. When water is added to lime calcium hydroxide Ca(OH) 2 is formed according to the following reaction. The reaction forms calcium hydroxide, Ca(OH) 2 and hydrogen gas (H 2). Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Reaction stoichiometry could be computed for a balanced equation. Which reactant is oxidized in this reaction? Reaction of calcium with water. A + B Æ AB Complete the following word equations, and write and balance the formula equation. When ignited, Calcium burns to give calcium xxide. What is the maximum mass of CaO(s) in grams that could be prepared from 9.02 g of Ca(s) and 2.59 g of O2(g)? Source(s): calcium reacts oxygen calcium oxide cao maximum mass cao s: https://shortly.im/iWB5H Worksheet #2: Synthesis Reactions In synthesis reactions, two or more reactants come together to form one compound. Calcium reacts with oxygen to form calcium oxide. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3 Equation: 2Ca + O_2 --> 2CaO Calcium undergoes oxidation reaction to form Calcium oxide(quick lime). A. This is due to Calcium being oxidation state +2 and Oxygen oxidation state is -2, this means when formed in a compound they cancel each other out to give CaO. The usual reaction product from a reaction between calcium and oxygen has the formula CaO and therefore contains one atom of each element per molecule. Formation of simple oxides. Calcium reacts slowly with water. Hi, the answer you are looking for is 2Ca + O2 --> 2CaO. Calcium reacts with oxygen to make calcium oxide, CaO. This Module addressed why it is difficult to observe a tidy pattern of this reactivity. Reaction of Calcium with Oxygen Calcium metal slowly oxidizes in air, becoming encrusted with white \(CaO\) and \(CaCO_3\), which protect from attack by air. The balanced equation is: 3Sr + N2 -> Sr3N2. Part of NCSSM CORE collection: This video shows the reaction of Ca metal with oxygen. Lime Water Formula. Calcium (Ca) is a metal element located in group 2 of the periodic table, and oxygen (O) is a nonmetal element located in group 16. Both Calcium and Oxygen C. Calcium D. Oxygen Thus, it can be understood that calcium oxide is an ionic compound featuring an ionic bond between calcium and oxygen. Group 2 elements (beryllium, magnesium, calcium, strontium and barium) react oxygen. This is in contrast with magnesium, immediately above calcium in the periodic table, which is virtually unreactive with cold water. Enter either the number of moles or weight for one of the compounds to compute the rest. 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