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Kryger [21]
2 years ago
12

Which element is non-metallic and a gas at room temperature?

Chemistry
2 answers:
ANEK [815]2 years ago
7 0

Answer:

Notrogen(N)

Explanation:

Plz mark me as brilliant

muminat2 years ago
7 0
Nitrogen is the only one that is non-metallic and a gas at room temperature.
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50 POINTS
Marina86 [1]

Answer:

A mixture whose components are soluble in each other. ... a solution that has water as its solvent; most have an ionic substance as the solute, may contain a liquid ... The suspensions of particles larger than individual ions or molecules, but the ... This effect is used to determine whether a mixture is a true solution or a colloid.

process of solute particles being surrounded by water molecules arranged in a ... solution. homogeneous mixture consisting of a solute dissolved into a solvent. ... apart from the crystal, the individual ions are then surrounded by solvent particles in a ... are intermediate in size between those of a solution and a suspension.

A suspension is a heterogeneous mixture in which some of the particles ... The particles in a suspension are far larger than those of a solution, so gravity is … ... Particle size: 0.01-1nm; atoms, ions or molecules, Particle size: ... solutions because the individual dispersed particles of a colloid cannot be seen.

Explanation:

8 0
3 years ago
Otra manera para llamar la aceleración negativa es_______
enyata [817]

Answer:

creo que es cinemática, eso creo

8 0
3 years ago
Caleb is an inventor who has designed a new kind of fishing net. He is looking for a strong, flexible material that can be used
UkoKoshka [18]

Answer:

Its B Nylon

Explanation:

i just took the quiz and got it right.

5 0
3 years ago
Read 2 more answers
What does a dissolved salt look like?
anzhelika [568]

Answer:

Water but with salt

Explanation:

You can’t see it but it’s there

5 0
3 years ago
How many molecules of copper sulfate are needed to produce 5.0×1024 molecules of sodium sulfate?
lubasha [3.4K]

Answer:

5.0 × 10²⁴ molecules

Explanation:

Step 1: Write the balanced double displacement reaction

2 NaOH + CuSO₄ ⇒ Na₂SO₄ + Cu(OH)₂

Step 2: Calculate the moles corresponding to 5.0 × 10²⁴ molecules of Na₂SO₄

We will use Avogadro's number: there are 6.02 × 10²³ molecules in 1 mole of molecules.

5.0 × 10²⁴ molecule × 1 mol/6.02 × 10²³ molecule = 8.3 mol

Step 3: Calculate the moles of CuSO₄ required to produce 8.3 moles of Na₂SO₄

The molar ratio of CuSO₄ to Na₂SO₄ is 1:1. The moles of CuSO₄ required are 1/1 × 8.3 mol = 8.3 mol.

Step 4: Calculate the molecules corresponding to 8.3 moles of CuSO₄

We will use Avogadro's number.

8.3 mol × 6.02 × 10²³ molecule/1 mol = 5.0 × 10²⁴ molecule

4 0
3 years ago
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