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Dominik [7]
3 years ago
13

Can any of you unscramble the word mmncotiuy

Chemistry
2 answers:
Elden [556K]3 years ago
7 0
Mmncotiuy unscrambled would be Community
iris [78.8K]3 years ago
5 0
The answer is Community
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Answer:

Option D - 10,000 years ago in the Middle East

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To show the electron configuration for an atom, when would it be better to use an orbital notation than to use a written configu
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Graph of the relationship between mass and thermal energy
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<em>Thermal energy</em> is the sum of the kinetic and potential energies of all the particles in an object.

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3 years ago
What is the part of the experiment that is measured? * 2 points control group constant independent variable dependent variable?
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3 years ago
The heat of a reaction may be found with the equation q=mcΔT.
sweet-ann [11.9K]

Answer:

B) -1551 kJ  

Explanation:

There are two heat flows in this question.

Heat released by engine + heat absorbed by water = 0

                   q₁                    +                      q₂                = 0

                   q₁                    +                   mCΔT            = 0

Data:

  m = 2.51 kg

  C = 3.41 J°C⁻¹g⁻¹

T_i =   23.8 °C

T_f =205     °C  

Calculations:

(a) ΔT

ΔT = 205 °C - 23.8 °C = 181.2 °C

(b) q₂

q₂ = mCΔT = 2510 g × 3.41 J·°C⁻¹g⁻¹ × 181.2 °C = 1.551× 10⁶ J = 1551 kJ

(c) q₁

q₁ + 1551 kJ = 0

q₁ = -1551 kJ

4 0
3 years ago
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