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Vladimir [108]
3 years ago
6

Which of the following is an example of a neutralization reaction?

Chemistry
1 answer:
Anastasy [175]3 years ago
8 0

HCl (aq) + NaOH (aq)→H2O (l) + NaCl (aq)
Acid reacts with base to give H2O and salt
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Several scientists from different countries are asked to examine the results of an experiment before a journal will print it. Wh
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Determine the number of grams in each of the quantities<br><br> 1.39.0 x 1024 molecules Cl2
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Mass of Cl₂ : 164.01 g

<h3>Further explanation</h3>

A mole is a number of particles(atoms, molecules, ions)  in a substance

This refers to the atomic total of the 12 gr C-12  which is equal to 6.02.10²³, so 1 mole = 6.02.10²³ particles  

Can be formulated :

N = n x No

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mol Cl₂ :

\tt n=\dfrac{N}{No}\\\\n=\dfrac{1.39.10^{24}}{6.02.10^{23}}\\\\n=2.31

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\tt mass=mol\times MW\\\\mass=2.31\times 71=164.01

8 0
3 years ago
Say I grab a bunch of aluminum foil (9.5g) and ball it up. Aluminum has a specific heat of .9J/g*C. How much would the aluminum’
Brrunno [24]

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ΔT = 0.78 °C

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Given data:

Mass of Al = 9.5 g

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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

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67 J = 85.5 j/°C × ΔT

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