We review their content and use your feedback to keep the quality high. Answer: The balanced chemical reaction is : 3 Mg (OH)2 + 2 H3PO4 --------> Mg3 (PO4)2 + 6 H2O Step 1: Explanation Steps to balance the chemical reaction 1. Write down your given equation. 2. Write down the number of atoms per element. 3. Save hydrogen . View the full answer.

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Magnesium with cold water equation

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Standard magnesium solution: 1 mg/ml. Dissolve 10.1350 g of MgSO 4 .7H 2 O (or 4.9500 g of the salt ignited at 400-500 C) in water containing 1 ml of cone. H 2 SO 4, and dilute the solution with water to volume in a 1-litre standard flask. Calcium chloride, 2% solution of CaCl 2. Magnesium reacts with water differently depending on the phase of water.. It is possible to express the combustion of magnesium (Equation 1) as an algebraic sum of Equations A, B, and C. Applying Hess's Law, therefore, it should also be possible to determine the heat of reaction for Equation 1 by combining the heats of reaction for Equations A-C in the same algebraic manner. ... Pour the cold water into the warm.

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Magnesium metals are not affected by water at room temperature. Magnesium generally is a slow-reacting element, but reactivity increases with oxygen levels. Furthermore, magnesium reacts with water vapor to magnesium hydroxide and hydrogen gas: Mg (s) + 2H 2 O (g) -> Mg (OH) 2 (aq) + H 2 (g) Magnesium fires cannot be extinguished by water.

take a reading of the combined water after another minute has elapsed using the thermometer from the cooler water calorimeter. Calculate the heat lost by the warm water and the heat gained by the cold water (mass H 2 O * ∆T * specific heat.). You can assume that the density of water is 1.0 g/mL, and the specific heat of water is 4.184 J/g ˚C.

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In the ordinary life, hard water produces scale in hot water pipes, heater, boilers, and other units where the temperature of the water is increased appreciably. The chemical equation for this process is showing below: Ca2+ + 2HCO 3 - Æ CaCO 3 + CO2 + H2O. Where the CaCO3 is the main component for the scale when hard water is heated.

San Antonio, TX, USA. A: It's because magnesium eats water for breakfast and makes the fire stronger. Seriously, there is a reaction Mg (s) + 2H 2 O --> Mg (OH) 2 + H 2 that produces hydrogen gas. This hydrogen then burns by combining with oxygen in the air and makes the fire hotter. See:.

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