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statuscvo [17]
3 years ago
10

Look at the image below. What is the ratio of the formula shown? *

Chemistry
2 answers:
tamaranim1 [39]3 years ago
8 0
It’s the 2 one lmk if it’s correct
aleksklad [387]3 years ago
6 0
It’s 1:1 b3cuae that’s the one u can
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The energy needed to remove an electron is called ionization energy.
salantis [7]
<h2>                             Emma here<em>!</em></h2>

Answer:

im pretty sure its decreases going across a row (left to right)

Explanation:

As you move from left to right across a period on the periodic table the size of an atom will decrease

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7 0
3 years ago
What is the mass of helium atom whose atomic weight is 4.003 g/mol?
tino4ka555 [31]

Answer:

Atoms He (Avogadro’s number) → Moles of He (molar mass of He) → Mass of He

• molar mass of He (from the periodic table) = 4.003 g/mol

• Avogadro’s Number: Avogadro’s number gives us the number of entities present in 1 mole: 6.022 × 1023 He atoms in 1 mole of He

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4 0
3 years ago
What natural and human made features can a map show? Give two examples of each.
Bess [88]
Natural: Land mounds, Rivers
Human made: Country borders, cities
3 0
3 years ago
Which term names the action that is happening when an acid eats away part of a metal bar
dangina [55]

Answer:

corrosion

Explanation:

8 0
3 years ago
In the haber process, ammonia is synthesized from nitrogen and hydrogen: n2 (g) + 3h2 (g) → 2nh3 (g) δg° at 298 k for this react
allsm [11]

Answer:

e- 7.25 x 10³.

Explanation:

∵ ΔG = -RTlnK,

where, ΔG is the free energy change.

R is the general gas constant (R = 8.324 J/mol.K).

K is the equilibrium constant of the reaction.

  • For the reaction: <em>N₂(g) + 3H₂(g) → 2NH₃(g),</em>

K = (PNH₃)²/(PN₂)(PH₂)³ = (0.65)²/(1.9)(1.6)³ = 5.43 x 10⁻².

∵ ΔG = -RTlnK.

∴ ΔG = -(8.314 J/mol.K)(298 K) ln(5.43 x 10⁻²) = 7.218 x 10³ J/mol.

3 0
3 years ago
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