If you begin with 1250 grams of N2 and 225 grams of H2 in the reaction that forms ammonia gas (NH3), how much ammonia will be formed? What is the limiting reagent? How much of the reagent is left when the maximum amount of ammonia is formed?(AP Chemistry summer homework packet)

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Answers

Answer 1

Answer: N₂+3H₂⇒ 2NH₃
m(NH₃)=1250+225*2=1700 grams
N₂ is the limiting reagent.
1250 grams are left when the maximum amount of ammonia is formed.

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Answer: The alpha particle is released after alpha radiation.

Explanation:

Alpha decay is defined as the decay process in which a heavier nucleus decays into a lighter nuclei. This decay process releases alpha particle which is also known as helium nucleus.

The general alpha decay reaction is given as:

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The particle released will carry a mass of 4 units and carries a charge of +2 units.

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Given the reaction below, which is the oxidized substance? Mg + Cl2 mc005-1.jpg Mg2+ + 2Clmc005-2.jpg 2CI- CI2 Mg Mg2+

Answers

A oxidation-reduction reaction, also known as redox reaction, is a reaction which involves transfer of electrons between species. It is a reaction where there are changes in the number of the oxidation number by gaining or losing electrons. From the reaction, the oxidized substance is magnesium. It was oxidized from an oxidation number of 0 to +2.

Answer:

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Explanation:

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Answers

The elements on the periodic table are listed in increasing atomic number.

Hydrogen is the first element, and has an A.N. of 1. Also, its very interesting how it doesn't need 8 valence electrons to be stable.

The second element is Helium, which has an A.N (atomic number) of two.

The first element of the periodic table is hydrogen (H), and the second element is helium (He).

Hydrogen, with atomic number 1, is the first element in the periodic table. It is the lightest and the most abundant element in universe. Hydrogen is a colorless, odorless gas and is the building block for all other elements.

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So, the first element of the periodic table is hydrogen (H), and the second element is helium (He).

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Answers

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A covalent bond where electrons are shared unequally is known as a polar bond. This unequal sharing occurs due to differences in electronegativity between the two atoms involved in the bond.

Explanation:

A covalent bond in which electrons are shared unequally is defined as a polar bond. This corresponds to option a) polar. This occurs because one atom is more electronegative and pulls the shared electron pair towards its nucleus making the bond polar, having a partial positive and partial negative end. Option b) a double bond, refers to a covalent bond where two pairs of electrons are shared between atoms. Option c) ionic refers to a bond where electrons are completely transferred from one atom to another and option d) polyatomic refers to a molecule that consists of more than two atoms.

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