I have a diff problem .......Titanium (Ti) can be produced by the reaction of metallic sodium (Na) with titanium tetrachloride vapor (TiCl4). This reaction could be classified as a double displacement reaction or a neutralization reaction. The gas-phase reaction between trichloromethane, CHCl3, and chlorine, Cl2, has time-independent stoichiometry and can be represented as follows: Equation 1 CHCl3(g) + Cl2(g) = CCl4(g) + HCl(g). 3 (s) + H. 2. I have a sample of copper metal and a sample of copper carbonate. This happens as the carbon dioxide forms acidic carbonic acid when it dissolves in the water, the carbonic acid (H2CO3) reacts further with the calcium carbonate: CO2 + H2O ——> H2CO3H2CO3 +CaCO3 ——–> Ca(HCO3)2 Ca(HCO3)2 = calcium hydrogen carbonate which is soluble in water. Author has 793 answers and 3.9M answer views. The carbon concentration in the steel before carburization is 359.5 ppm and is initially uniform through the thickness of the steel. The balanced chemical reaction is Ca (OH)2 + CO2 --> CaCO3 + H2O. Controlled addition of CO₂ is required to prepare calcium carbonate. Bubbling carbon dioxide through the solution for an extended period of time makes the solution become clear and colourless. The appearance of this solid makes the liquid appear ‘milky’. We have been given the equation in words and we need to use the appropriate compound symbols and name and complete the balanced equation. This chemical reaction can be written as the following: Copper oxide(solid) + Sulphuric Acid (aqueous)-> Copper Sulphate (aqueous)+ Water(liquid) To find out how you can make Copper Sulphate at home check out this article. Calculate the amount of titanium produced (in kg) when a reactor is charged with 73.0 kg of TiCl4 and 10.0 kg of Na. This is because chalk is precipitating in the limewater. Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Mixing copper oxide and sulphuric acid is an experiment involving an insoluble metal oxide which is reacted with a dilute acid to form a soluble salt. Calcium carbonate is chalk, and when it is produced, it precipitates and solid particles of chalk appear. Calculate the time required to carburize steel so that the concentration of carbon at a depth of 38.0 x 10-2 cm is one half the value of the carbon concentration at the surface. The carbon dioxide and limewater react to produce calcium carbonate and water. O(l) Upon adding excess dry ice, the calcium carbonate dissolves and the Ca (OH)₂ + CO₂—->CaCO₃ + H₂O. I want to prepare copper sulphate using sulfuric acid. In its equation form that makes: CO2 + Ca (OH)2 -----> ? You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The diffusion coefficient of carbon in steel is 3.091 x 10-7 cm2/s at the carburizing temperature. If I'm to use one of the materials which should it be and why, /write and balance three euations that have the abulity to produce hydrogen gas as a product. Given this information, determine the activation energy for the reverse reaction, Er, and comment on the significance of the value (one sentence only). what is the trend associated by increasing atomic number and reaction with chlorine and oxygen? (ii) With reference to the three-step mechanism (Equations 3–5 ), and assuming that the second step (Equation 4) is rate-limiting, derive the chemical rate equation for this mechanism and then compare it with the experimental rate equation given in Equation 2. The answer will appear below ; Always use the upper case for the first character in the element name and the lower case for the second character. Under certain experimental conditions, the experimental rate equation was found to be: A three-step mechanism has been proposed for Reaction 1: (i) Explain why the form of the experimental rate equation indicates that Reaction 1 cannot be an elementary reaction. Add a few pieces of dry ice to the calcium hydroxide solution. Assuming 65 % of a human body is water (H2O) and the rest is mostly carbon (C), estimate the number of atoms in a human body, copper 2 carbonate + hot dilute sulfuric acid will give what, show that calcium carbonate is stable at room temperature?what does this mean and how do i show it. The question given to us is Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water. Carbon dioxide reacts with limewater to form calcium carbonate, which precipitates out of the solution. Why are d-block elements not as reactive as s-block elements. Ca(OH) 2 (aq) + CO. 2 (g) ζ. CaCO. What are the names of the salts produced by hydrochorlic acid? CaCO3 + H2O (Calcium Carbonate and Water). I have all of the answers except this one........... A photon interacts with a ground state electron in a hydrogen atom and is absorbed. This chemistry is important in understanding how hard water is formed and then limescale is formed in kettles and hot water boilers. solid particles of chalk appear). Explain the interplay between enthalpy (H) and entropy (S) changes taking place during ligand binding. Enter an equation of a chemical reaction and click 'Balance'. Calcium carbonate is heated to from calcium oxide and carbon dioxide as illustrated by the chemical equation CaCO3 (s) ===> CaO (s) + CO2 (g). When calcium hydroxide is allowed to react with carbon dioxide,calcium carbonate is obtained. The byproduct of this reaction is sodium chloride (NaCl). The atmosphere of the carburizing furnace maintains a carbon concentration of 6695.0 ppm at the surface of the steel. is it a good thing using 2 named transition metals as examples, how reactive are transition metals compared to group 1, how to get pure water from salty water using household objects. What happens when you mix carbon dioxide and lime water? This is because chalk is precipitating in the limewater. (iii)The activation energy for the forward reaction, Ef , of step 1 (Equation 3) is 243.4 kJ mol^-1. NOT MELTING POINT. Thus, the characteristic test for CO2, is that bubbling it through limewater will turn the limewater milky. Copper sulphate takes on a bright blue colour. CO2 + Ca(OH)2 ----> CaCO3 + H2OHowever this is not an in depth answer, there's much more going on and the reaction can also reverse. The electron is ejected from the atom and exhibits a de Broglie wavelength of 5.908×10−10 m. Determine the frequency (in hz) of the interacting photon. Express your answer in hours. CO2(g) + Ca(OH)2(aq) -----> CaCO3(s) + H2O(l)The white milky suspension/precipitate is caused by the formation of calcium carbonate and explains the limewater  test for carbon  dioxide.Bubbling carbon dioxide through the solution for an extended period of time makes the solution become clear and colourless as the carbon dioxide forms acidic carbonic acid when it dissolves in the water, the carbonic acid (H2CO3) reacts further with the calcium carbonate:CO2 + H2O ------> H2CO3H2CO3 +CaCO3 --------> Ca(HCO3)2 Ca(HCO3)2 = calcium hydrogen carbonate which is soluble in water.This chemistry is important in understanding how hard water is formed and then lime scale is formed in kettles and hot water boilers. The carbon dioxide from the dry ice reacts with calcium ions to give a white, milky precipitate of calcium carbonate. Copper (II) oxide, is a black solid, which, when reacted with sulphuric acid creates a cyan-blue coloured chemical called copper II sulfate. This happens as the carbon dioxide forms acidic carbonic acid when it dissolves in the water, the carbonic acid (H2CO3) reacts further with the calcium carbonate: CO2 + H2O ——> H2CO3H2CO3 +CaCO3 ——–> Ca(HCO3)2 Ca(HCO3)2 = calcium hydrogen carbonate which is soluble in water. RESULTS . why is calcium oxide more hazardous than calcium hydroxide? This chemistry is important in understanding how hard water is formed and then limescale is formed in … The characteristic test for CO2, is checking that the limewater is milky. Copper (II) oxide reacts with sulfuric acid to create water and copper (II) sulfate. What is the maximum wavelength (in meters) of radiation capable of ionizing sulfur and producing this effect? When an acid and an alkali react which two substances are always made? The appearance of this solid makes the liquid appear 'milky'. Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=5.091 A˚. Aqueous calcium hydroxide reacts with carbon dioxide to form a white precipitate, calcium carbonate, and water. someone help please, What is the boiling point of Styrofoam (polystyrene)? CO2 + Ca(OH)2 —-> CaCO3 + H2O. The white milky suspension/precipitate is caused by the formation of calcium carbonate. CaCO3 +H20This means that the carbon dioxide and limewater react to produce calcium carbonate and water. Calcium carbonate is chalk, and when it is produced, it precipitates (i.e.