Which of the following can be characterized as a strong electrolyte. 1. Which is the correctly balanced equation for the reaction of rust, Fe2O3, and hydrochloric acid, HCl? the coefficient is 1. Anonymous. I have put some theory for you to understand. => Basically, 2 moles of Ca with 1 mole of O2 produces 2 moles of ‘CaO’. Answer Save. CaO + CO2 is balanced, the coefficient of carbon dioxide is? Join Yahoo Answers and get 100 points today. The pressure of the container will increase due to the evolved CO2 to a point where 'Equilibrium' is reached. Ca + O2 = CaO; NaOH + CO2 = Na2CO3 + H2O; NaNO3 + H2O = Na + HNO3 + O2; Fe2O3 + C = Fe + CO2; S + O2 = SO3; Recently Balanced Equations 1 decade ago. What is the number "4" in SiCl4? Should I call the police on then? Favorite Answer. Balancing C, just one CO2 out. ther are 3 oxygen atoms on both sides of the equation. The expression CaCO3 → CaO + CO2 is an example of a. chemical equation. When the equation CaCO3 ? In many cases a complete equation … therefore if u can find the moles of CO2 using n=m/mm (moles = mass/ molar mass) u can use the same formula to find the mass of CaO which also reacts. the correct equation is CaCO3--> CaO+CO2. CaCO3 ---> CaO + CO2. Fe2O3 + 6 HCl → 2 FeCl3 + 3 H2O. If you do not know what products are enter reagents only and click 'Balance'. When the equation CaCO3 ? I went to a Thanksgiving dinner with over 100 guests. 2 Answers. subscript. But you MUST think about why this wasn't obvious to you, unless it is obvious now. Unless the equation has an aqueous compound in it, there is no net ionic equation. How To Balance Equations. One CaCO3. When the equation CaCO3 ? For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. the coefficients are all 1, its already balanced… Still have questions? the equation is already balanced. the coefficients are all 1, its already balanced. Given the balanced equation representing a reaction: Cao(s) + CO2(g) ---> CaCO3(s) + heat What is the total mass of CaO(s) that reacts completely with 88 grams of CO2(g) to produce 200. grams of CaCO3(s)? Check: 3 O's in caCO3 = 1 x O in caO + 2 x O in CO2. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. which makes you more jittery coffee or tea? Relevance. so if u look at the reaction there is equal moles of CaO and CO2 reacting in the equation. In many cases a complete equation … so, for CO2, n=m/mm. is balanced and refers to the process called "calcination," the thermal decomposition of calcium carbonate I don't understand what you have to do. Tony Hsieh, iconic Las Vegas entrepreneur, dies at 46, A boxing farce: Ex-NBA dunk champ quickly KO'd, Jolie becomes trending topic after dad's pro-Trump rant, 2 shot, killed at Northern Calif. mall on Black Friday, Harmless symptom was actually lung cancer, Eric Clapton sparks backlash over new anti-lockdown song, Highly conservative state becomes hot weed market, Black Friday starts off with whimper despite record day, No thanks: Lions fire Matt Patricia, GM Bob Quinn, How the post-election stocks rally stacks up against history, Reynolds, Lively donate $500K to charity supporting homeless. If you do not know what products are enter reagents only and click 'Balance'. You don't need the O2 in the equation. So, at least 2 atoms of ‘Ca’ are needed for 1 molecule of ‘O2’ for the reaction to complete and the system to be stable. Compound states [like (s) (aq) or (g)] are not required. CaO + CO2 is balanced, the coefficient of carbon dioxide is? Answer : The correct option is, Explanation : Balanced chemical equation : In the balanced chemical equation the number of individual elements present on the reactant side must be equal to the number of individual elements present on the product side. At this point, the number of CO2 molecules evolving will be equal to the number returning to the CaO to form CaCO3. CaCO3 <====> CaO + CO2. Read our article on how to balance chemical equations … For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. Min is asked to balance the equation below. Balancing Ca, just one caO out. this can be trick balancing equations but this one is easy. n = 88/ (12 + (2x16)) n = approx 2 moles. CaO + CO2 is balanced, the coefficient of carbon dioxide is? => 2Ca + O2 → 2CaO. The chief was seen coughing and not wearing a mask. Get your answers by asking now. The given balanced chemical reaction will be, There are 2 vanadium atoms present on reactant and product side. Hey. So you're balanced! You can use parenthesis or brackets .