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When magnesium is burned in oxygen, it undergoes a chemical reaction called combustion. During this reaction, magnesium atoms combine with oxygen atoms to form magnesium oxide. The increased mass observed after burning magnesium is due to the formation of magnesium oxide, which adds the combined mass of magnesium and oxygen atoms to the initial mass of the magnesium.
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Why does the mass of magnesium increase when you burn it in air?
It increases because the mass of the magnesium adds to the mass of the oxygen. Also, the magnesium expands and magnesium oxide is formed. The oxidation reaction is: Mg + O2 = 2 MgO
What happens to the mass when magnesium is heated in air?
When magnesium is heated in air, it reacts with oxygen to form magnesium oxide. The total mass of the system, which includes the magnesium and the oxygen it reacts with, remains the same according to the Law of Conservation of Mass.
In the reaction between magnesium and oxygen the mass of magnesium and oxygen was 2.5 grams how much magnesium oxide was formed?
The molar mass of magnesium is 24.3 g/mol and oxygen is 16 g/mol. The balanced equation is 2Mg + O2 -> 2MgO. Since magnesium and oxygen react in a 1:1 ratio, all magnesium reacted to form magnesium oxide. Therefore, 2.5 grams of magnesium oxide was formed.
What is the formula mass of magnesium perchlorate?
The formula mass of magnesium perchlorate (Mg(ClO4)2) can be calculated by adding the atomic masses of magnesium, chlorine, and oxygen in the compound. The atomic mass of magnesium is 24.305 amu, chlorine is 35.453 amu, and oxygen is 16.00 amu. Therefore, the formula mass of magnesium perchlorate is 24.305 + 2(35.453) + 8(16.00) = 223.21 amu.
What are the molar masses of magnesium and atomic oxygen?
Mass of Oxygen is approximately 16 grams. (15.9994 grams) per mole. Mass of Magnesium is approximately 24.305 grams per mole.
Why does magnesium get heavier when its burned?
When magnesium is burned, it combines with oxygen from the air to form magnesium oxide. This reaction increases the overall weight of the magnesium because the newly formed magnesium oxide has a greater mass than the original magnesium metal due to the added oxygen atoms.
Why does the mass of magnesium increase when you burn it in air?
It increases because the mass of the magnesium adds to the mass of the oxygen. Also, the magnesium expands and magnesium oxide is formed. The oxidation reaction is: Mg + O2 = 2 MgO
What happens to the mass when magnesium is heated in air?
When magnesium is heated in air, it reacts with oxygen to form magnesium oxide. The total mass of the system, which includes the magnesium and the oxygen it reacts with, remains the same according to the Law of Conservation of Mass.
Which has the bigger mass iron or magnesium?
You mean density?
How law of constant proportion is applied in experiment empirical formula of magnesium oxide?
The law of constant proportion states that a chemical compound always contains its constituent elements in fixed ratio by mass. In the experiment to determine the empirical formula of magnesium oxide, magnesium is burned in oxygen, resulting in magnesium oxide. By measuring the mass of magnesium and the mass of oxygen reacted, the ratio of these two elements can be calculated. This ratio reflects the law of constant proportion, allowing the empirical formula of magnesium oxide to be determined, typically represented as MgO.
Magnesium oxide decomposes into magnesium and oxygen If 4.03 of magnesium oxide decomposes to form 2.43 of magnesium what mass of oxygen gas is also released in the reaction?
To find the mass of oxygen gas released, you need to calculate the mass of magnesium oxide that contributed to the formation of 2.43g of magnesium. Molar mass of MgO = 40.3g/mol Molar mass of Mg = 24.3g/mol Calculate the moles of Mg formed and use stoichiometry to find the moles of oxygen reacted. Finally, convert the moles of O2 to grams to find the mass of oxygen gas released.
In the reaction between magnesium and oxygen the mass of magnesium and oxygen was 2.5 grams how much magnesium oxide was formed?
The molar mass of magnesium is 24.3 g/mol and oxygen is 16 g/mol. The balanced equation is 2Mg + O2 -> 2MgO. Since magnesium and oxygen react in a 1:1 ratio, all magnesium reacted to form magnesium oxide. Therefore, 2.5 grams of magnesium oxide was formed.
Why does crucible and its contents gain mass as a result of heating magnisium in the air?
When magnesium is heated in the air, it undergoes a chemical reaction with oxygen to form magnesium oxide. This reaction increases the total mass of the crucible and its contents due to the addition of oxygen atoms from the air. The increase in mass is a result of the combination of magnesium and oxygen to form magnesium oxide.
Why is magnesium oxide heavier than magnesium?
Magnesium Oxide increases in mass because it is made of oxygen AND magnesium, and the symbol equation explains that 2MG (2 magnesium) + O2( 2 oxygen) makes 2MGO (2 Magnesium Oxide) because oxygen is a molecule as the 2 shows that for oxygen it is made up of 2 atoms, and to balance the equation magnesium must be 2 too, making 2 Magnesium Oxide ,this shows the mass increases as oxygen is ADDED to magnesium, thus making it heavier and an increase in mass. Ta-Da just amazing chemistry logic!! :)
What is the mass percent A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?
To find the mass percent of oxygen in the compound, first calculate the total mass of the compound by adding the masses of magnesium and oxygen: 14.5 g + 3.5 g = 18.0 g. Then, use the formula for mass percent: (mass of oxygen / total mass) × 100%. Thus, the mass percent of oxygen is (3.5 g / 18.0 g) × 100% ≈ 19.44%.
Magnesium oxide decomposes into magnesium and oxygen If 16.12 of magnesium oxide decomposes to form 9.72 of magnesium what mass of oxygen gas is also released in the reaction?
To find the mass of oxygen gas released, we can first find the mass of magnesium in 16.12 g of magnesium oxide (molar mass of MgO = 40.31 g/mol) and then subtract it from 9.72 g to find the mass of oxygen. Find the moles of magnesium in 16.12 g of MgO: 16.12 g / 40.31 g/mol = 0.4 mol Mg Mg and O are in a 1:1 molar ratio in MgO, so 0.4 mol of Mg is equal to 0.4 mol of O Calculate the mass of oxygen: 0.4 mol x 16 g/mol = 6.4 g Therefore, 6.4 g of oxygen gas is also released in the reaction.
Does the coating on a magnesium strip change the mass of magnesium oxide?
Yes, the coating on a magnesium strip can affect the mass of magnesium oxide because the coating can add additional mass to the strip. When the magnesium reacts with oxygen to form magnesium oxide, the mass of the coating is also included in the total mass of the resulting compound.
