Magnesium oxide smoke lost during the reaction? - Physics Forums
2009年1月6日 · What is magnesium oxide smoke? Magnesium oxide smoke is a gas that is produced when magnesium and oxygen undergo a chemical reaction. It appears as a white or grayish smoke and has a characteristic odor. How is magnesium oxide smoke lost during a reaction? Magnesium oxide smoke is lost during a reaction due to its high volatility.
Acid-Base Reaction: Hydrochloric Acid and Magnesium Oxide …
2011年2月21日 · Homework Statement When acid and metal oxide react the product is salt and water. Homework Equations Write the reaction formula, when hydrochloric acid reacts with magnesium oxide The Attempt at a Solution Hcl and MgO 2 Hcl + MgO ----- …
Analyzing Oxygen Ratios in Magnesium Oxide Lab Reactions
2017年9月4日 · The accuracy of oxygen ratio measurements in a magnesium oxide lab reaction can be affected by factors such as incomplete combustion, impurities in the reactants, and experimental errors. It is important to ensure proper heating and handling techniques to minimize these factors and obtain accurate results.
Determining the empirical formula of Magnesium Oxide - Physics …
2008年11月3日 · We can also use the formula for the empirical formula to show this mathematically. The empirical formula for magnesium oxide is MgO, which means that for every 1 mole of magnesium, there is 1 mole of oxygen. If we lost some magnesium, the number of moles of magnesium would decrease, but the ratio would still remain 1:1.
Reaction between magnesium and oxygen - Physics Forums
2011年12月5日 · The reaction between magnesium and oxygen is used in the production of magnesium oxide, which is used in the production of refractory materials, ceramics, and as a component of cement. It is also used in fireworks to produce a bright white light.
Did I Calculate the Enthalpy of MgO and HCl Correctly? - Physics …
2006年4月8日 · The enthalpy of a reaction is a measure of the energy released or absorbed during a chemical reaction. In the case of MgO(s) + 2HCl(aq), the enthalpy refers to the amount of energy released when one mole of solid magnesium oxide reacts with two moles of hydrochloric acid in aqueous form.
Nitric acid and magnesium reaction, slow gas production - Physics …
2012年4月26日 · What is the chemical equation for the reaction between nitric acid and magnesium? The chemical equation for this reaction is 2HNO 3 + Mg → Mg(NO 3) 2 + H 2. This means that two molecules of nitric acid react with one magnesium atom to produce one molecule of magnesium nitrate and one molecule of hydrogen gas.
Magnesium in hydrochloric acid solution. - Physics Forums
2013年10月19日 · The chemical equation for this reaction is: Magnesium + Hydrochloric Acid → Magnesium Chloride + Hydrogen gas or Mg + 2HCl → MgCl2 + H2. How does the concentration of hydrochloric acid affect the reaction with magnesium? The concentration of hydrochloric acid can affect the rate of the reaction with magnesium.
Chemistry Help - Magnesium Carbonate decomposition - Physics …
2006年9月23日 · In an example in the textbook it states that there is 0.301g of magnesium in 0.500g of magnesium oxide. Using this information, since MgCO3 -----(arrow) MgO + CO2 1.89g magnesium oxide X 0.301g magnesium/0.500 magnesium oxide = 1.14g of magnesium in 1.89g magnesium oxide therefore, there is 1.14g of magnesium in 3.96g of magnesium carbonate.
Determination of the enthelpy of combustion of Magnesium using …
2008年11月23日 · The first reaction involves the combustion of Magnesium in oxygen to form Magnesium oxide, which has a known enthalpy change. The second reaction involves the decomposition of Magnesium oxide into Magnesium and oxygen, with a known enthalpy change that is the reverse of the first reaction.