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In-s [12.5K]
2 years ago
11

Which isoelectronic series is correctly arranged in order of increasing radius?.

Chemistry
1 answer:
Ket [755]2 years ago
4 0

A) K+ < Ca2+ < Ar < Cl

B) < Ar < K+ < Ca2+

C) Ca2+ < Ar < K+ < Cl

D) Ca2+ < K+ < Ar < Cl

E) Ca2+ < K+ < Cl- < Ar

Answer:D

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( HELP ) ANYONE CAN HELP ME WITH THIS QUESTION PLEASE I REALLY NEED HELP !!!
Kisachek [45]

Answer:

too hard middle school student just need points nothing else

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3 years ago
Question 2(Multiple Choice Worth 3 points)
viktelen [127]

Answer:

2.0 x 10⁻³ M/s.

Explanation:

  • The rate of the reaction is the change of the concentration of the reactants or the products with time.

<em>The rate of the reaction = - Δ[reactants]/Δt = - [(0.6 M - 1.8 M)]/(580 s - 0 s) = 2.069 x 10⁻³ M/s.</em>

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3 years ago
Someone please help me !!
Bezzdna [24]

Answer:

3

Explanation:

6 0
3 years ago
Write balanced complete ionic equation for hcl(aq)+lioh(aq)→h2o(l)+licl(aq)
olga2289 [7]
<span>H and Li have a +1 charge. Cl and OH have a -1 charge. When written out it should look like this: H(+1) + Cl(-1) + Li(+1) + OH(-1) --> H2O + Li(+1) + Cl(-1) if you wanted the net ionic equation it would be: H(+1) + OH(-1) --> H2O</span>
4 0
4 years ago
Read 2 more answers
Aluminum has a specific heat of 897 j/kg c. methanol has a specific heat of 2450 j/kg c.
Vikki [24]

Answer:

\sf \: correct  \: answer  \: would \:  be \:  methanol!

Explanation:

<em>Specific Heat:</em><em> </em>The specific Heat of any material is the heat absorbed or evolved by the material to raise or fall it's temperature by 1°C per unit mass of the material.

The heat absorbed or evolved (Q) is directly proportional to the mass of substance(m) and rise or fall of temp(∆T)

The general formula for specific heat is,

\sf \: \: \: \: \: s = \frac{Q}{m\Delta T}

Where

  • s is specific heat,
  • Q is the Heat absorbed or evolved
  • m is mass of substance
  • & ∆T is change is temperature

<em>Now coming to your question,</em>

<em>The specific heat of Aluminium is 897 J/kg °C</em>

<em>The specific heat of Aluminium is 897 J/kg °C& specific heat of methanol is 2450 J/kg ° C</em>

The definition states that, <u>if the specific heat would be more, more amount of heat will be required for per unit change in temperature.</u>

The specific heat of Aluminium is 897 J/kg °C which means for one kilogram aluminium, 897 Joule energy is required to change it's temperature by 1°C & Similarly for one kilogram methanol 2450 joule energy is required.

Hence, the correct answer would be methanol!

<em><u>learn more about specific heat here,</u></em>

<em><u>brainly.com/question/27365354</u></em>

<em><u>brainly.com/question/27598037</u></em>

\small \sf \: Thanks \:  for \:  joining  \: brainly \:  community!

7 0
2 years ago
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