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ad-work [718]
3 years ago
8

Balance the Following Equations: SiCl4 + H2O = SiO2 + HCl

Chemistry
1 answer:
dimaraw [331]3 years ago
5 0
The answer would be D.

SiCl4 + 2H2O → SiO2 + 4HCl (balanced equation)
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?cual es el tiempo de<br>onda con 6<br>oscilaciones.?​
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Answer:

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Explanation:

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7 0
3 years ago
Is fertilizer a mixture compound or element
egoroff_w [7]
I always thought it was a mixture but can also be a compound 

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3 years ago
A 44.0 g sample of an unknown metal at 99.0 oC was placed in a constant-pressure calorimeter of negligible heat capacity contain
tatiyna

Answer:

C_m=0.474\frac{J}{g\°C}

Explanation:

Hello.

In this case, since this is a system in which the water is heated up and the metal is cooled down in a calorimeter which is not affected by the heat lose-gain process, we can infer that the heat lost by the metal is gained be water, it means that we can write:

Q_m=-Q_w

Thus, in terms of masses, specific heats and temperatures we can write:

m_mC_m(T_{eq}-T_m)=-m_wC_w(T_{eq}-T_w)

Whereas the equilibrium temperature is the given final temperature of 28.4 °C and we can compute the specific heat of the metal as shown below:

C_m=\frac{-m_wC_w(T_{eq}-T_w)}{m_m(T_{eq}-T_m)}

Plugging the values in and since the density of water is 1.00 g/mL so the mass is 80.0g, we obtain:

C_m=\frac{-80.0g*4.184\frac{J}{g\°C} (28.4\°C-24.0\°C)}{44.0g(28.4\°C-99.0\°C)}\\\\C_m=0.474\frac{J}{g\°C}

Best regards!

6 0
3 years ago
The element N (nitrogen) is an example of a ___
mina [271]

Hello!

Elements are made up of atoms, and elements combine to make compounds. Compounds are made up of molecules, and molecules are made up of atoms.

Nitrogen is an element. It could be made up of one or many atoms. A mixture is made up of compounds, so it is not the answer.

Molecules and compounds are made up of different atoms and elements, but nitrogen is not a molecule or a compound.

There is such a thing as a nitrogen atom, though.

Therefore, your answer would be 2) Atom.

I hope this helps!

6 0
3 years ago
Examine this model of an amino acid that has formed a peptide bond. What process is illustrated in this drawing? 
disa [49]
The condensation polymerization process is being demonstrated, where two molecules come together to form a larger molecule while releasing a smaller molecule, in this case water.
8 0
3 years ago
Read 2 more answers
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