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lisabon 2012 [21]
4 years ago
13

How does electromagnetism play a role in space

Chemistry
1 answer:
mr_godi [17]4 years ago
8 0

Answer:

Magnets can be used in space. ... One class of magnets, called electromagnets, does need electricity to work.

Explanation:

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Which of the following elements is the most reactive?
vladimir2022 [97]
From what I remember, it’s potassium (k)
5 0
3 years ago
Which is bigger, a table salt molecule or salt molecule?
alexandr1967 [171]

Answer:

A table salt molecule is bigger than a salt molecule.

Explanation:

I'm saying this because it's a table salt and salt could be much smaller and table salt could be bigger.

6 0
3 years ago
In each pair, choose the larger of the indicated quantities or state that the samples are equal:
romanna [79]

<u> There are more total ions in 2.2 moles of </u>MgCl_2

<h3>What are ions?</h3>

Ion, any atom or group of atoms that bears one or more positive or negative electrical charges. Positively charged ions are called cations; negatively charged ions, anions.

Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by combination of ions with other particles; or by rupture of a covalent bond between two atoms in such a way that both of the electrons of the bond are left in association with one of the formerly bonded atoms.

Examples of these processes include the reaction of a sodium atom with a chlorine atom to form a sodium cation and a chloride anion; the addition of a hydrogen cation to an ammonia molecule to form an ammonium cation; and the dissociation of a water molecule to form a hydrogen cation and a hydroxide anion.

Learn more about ions

brainly.com/question/13692734

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8 0
1 year ago
Which of the following instruments has the highest pitch?<br> bass drum<br> flute<br> trombone
sweet [91]

Answer:

Flute

Explanation:

7 0
3 years ago
Read 2 more answers
When N2(g) reacts with H2(g) to form NH3(g), 92.2 kJ of energy are evolved for each mole of N2(g) that reacts. Write a balanced
Naddika [18.5K]

Answer:

N₂ + 3H₂ → 2NH₃   ΔH = - 92.2KJ

Explanation:

Let's write out the chemical equation between Nitrogen and Hydrogen to Form Ammonia.

Nitrogen + Hydrogen = Ammonia

N₂ + H₂ → NH₃

A Thermochemical Equation is a balanced stoichiometric chemical equation that includes the enthalpy change, ΔH.

The balanced stoichiometric chemical equation is given as;

N₂ + 3H₂ → 2NH₃

92.2 kJ of energy are evolved for each mole of N2(g) that reacts. And from the equation, 1 mole of N2 reacts.

The enthalpy change, ΔH = - 92.2KJ. The negative sign is because heat is being evolved.

The balanced thermochemical equation;

N₂ + 3H₂ → 2NH₃   ΔH = - 92.2KJ

6 0
3 years ago
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