Worksheet #2: Synthesis Reactions In synthesis reactions, two or more reactants come together to form one compound. 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. 1. calcium + oxygen Æ 2. copper + sulfur Æ copper(II) sulfide 3. This Module addressed why it is difficult to observe a tidy pattern of this reactivity. Equation: 2Ca + O_2 --> 2CaO Both Calcium and Oxygen C. Calcium D. Oxygen The formula for lime water is Ca(OH) 2 and the chemical name for lime water is calcium hydroxide. Enter either the number of moles or weight for one of the compounds to compute the rest. The balanced equation is: 3Sr + N2 -> Sr3N2. Calcium undergoes oxidation reaction to form Calcium oxide(quick lime). On the whole, the metals burn in oxygen to form a simple metal oxide. 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. This is in contrast with magnesium, immediately above calcium in the periodic table, which is virtually unreactive with cold water. 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)? The reaction between strontium and nitrogen gas (which has the formula N2) produces strontium nitride, which has the formula Sr3N2. 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. Calcium reacts with oxygen to form calcium oxide. A. A + B Æ AB Complete the following word equations, and write and balance the formula equation. Part of NCSSM CORE collection: This video shows the reaction of Ca metal with oxygen. 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. Source(s): calcium reacts oxygen calcium oxide cao maximum mass cao s: https://shortly.im/iWB5H Calcium reacts slowly with water. Reaction of calcium with water. When water is added to lime calcium hydroxide Ca(OH) 2 is formed according to the following reaction. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Formation of simple oxides. 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. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3 to generate metal oxides. Calcium reacts with oxygen to make calcium oxide, CaO. When ignited, Calcium burns to give calcium xxide. Neither Clacium nor Oxygen B. 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