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nignag [31]
3 years ago
11

What reaction involves one element replacing an element in a compound that is from the same activity series?

Chemistry
1 answer:
Marina86 [1]3 years ago
3 0

Answer: Displacement reaction

Explanation: Displacement reaction is a reaction in which elements higher in the activity series displaces those lower in the activity series in a compound. For example, the reaction between zinc and hydrochloric acid.

Zn + 2HCl —> ZnCl2 + H2

Zn displaces H2 from acid because Zn is higher than hydrogen in the activity series.

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PilotLPTM [1.2K]
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3 years ago
Read 2 more answers
8. Balance the following nuclear equations:<br> ^65/30Ca -&gt; ^65/29Sc +_______
a_sh-v [17]

Explanation:

          ⁶⁵₃₀Ca   →   ⁶⁵₂₉Sc  +   ⁿₓH

The reaction above is nuclear reaction.

In a nuclear reaction, the mass number and atomic number must be conserved.

The mass number is the superscript before the atom

Atomic number is the subscript before the atom

  Conserving mass number:

       65 = 65 + n

        n = 0

   conserving atomic number:

    30 = 29 + x

     x = 1

The unknown atom is a positron i.e a positively charged electron:   ⁰₁e

              ⁶⁵₃₀Ca   →   ⁶⁵₂₉Sc  +  ⁰₁e

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Transmutation brainly.com/question/3433940

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3 0
3 years ago
Explain how liquid can enter the gas phase without reaching its boiling point
ioda
Evaporation is a phase transition from the liquid phase to the gas phase that occurs at temperatures below the boiling point at a given pressure.

hope this helps :)
4 0
3 years ago
If you burn 59.1 g of hydrogen and produce 528 g of water , how much oxygen is reacted
shtirl [24]
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59,1g + x = 528g
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8 0
3 years ago
What is the amount of heat energy absorbed when 36 grams of ice at -20oC is melted to water at 0oC?
Ulleksa [173]

Answer:

Q = 1461.6 J

Explanation:

Given data:

Mass of ice = 36 g

Initial temperature = -20°C

Final temperature = 0°C

Amount of heat absorbed = ?

Solution:

specific heat capacity of ice is 2.03 j/g.°C

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

ΔT =  0°C - (-20°C)

ΔT = 20°C

Q = 36 g ×2.03 j/g.°C×20°C

Q = 1461.6 J

3 0
2 years ago
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