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almond37 [142]
4 years ago
13

Write the correct formulas for the reactants for reaction:

Chemistry
1 answer:
tresset_1 [31]4 years ago
8 0

CaCl₂ (aq) + K₂CO₃ (aq) → CaCO₃ (s) + 2 KCl (aq)

where:

(aq) - aqueous

(s) - solid

Explanation:

Calcium chloride (CaCl₂) will react with potassium carbonate (K₂CO₃) to produce solid calcium carbonate (CaCO₃) and potassium chloride (KCl).

Learn more about:

precipitation reaction

brainly.com/question/1542397

brainly.com/question/12873781

#learnwithBrainly

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Pieces of dry ice become smaller through the process of condensation. true or false.
stiv31 [10]
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3 years ago
How is the modern periodic table arranged?
oksano4ka [1.4K]
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5 0
3 years ago
Assuming the boiling point increased by 2 °C, what is the approximate molality of NaCl when the video ends? Kbp(water) = 0.512
makkiz [27]

Answer : The molality of NaCl is, 1.95 mol/kg

Explanation :

Formula used for Elevation in boiling point :

\Delta T_b=i\times k_b\times m

where,

\Delta T_b = change in boiling point = 2^oC

k_b = boiling point constant  for water = 0.512^oC/m

m = molality

i = Van't Hoff factor = 2 (for electrolyte)

The dissociation NaCl will be,

NaCl\rightarrow Na^++Cl^{-}

So, Van't Hoff factor = Number of solute particles = Na^++Cl^{-} = 1 + 1 = 2

Now put all the given values in the above formula, we get:

2^oC=2\times (0.512^oC/m)\times m

m=1.95mol/kg

Therefore, the molality of NaCl is, 1.95 mol/kg

6 0
3 years ago
Find the volume of an object that has a mass of 20g and density of 184 glcm
expeople1 [14]
Volume= Mass/ Density= 20/184
= 0.108 cubic cm
8 0
3 years ago
Which variable increases when potential energy increases?
beks73 [17]

Answer:

Height and mass

Explanation:

The potential energy of a body is the energy due to the position of a body.

It is mathematically expressed as:

 Potential energy  = m g h

m is the mass of the body

g is the acceleration due to gravity

h is the height of the body

Acceleration due to gravity on the earth surface is a constant.

As mass and height of a body increases, the acceleration due to gravity will also increase.

3 0
3 years ago
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