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djyliett [7]
2 years ago
7

Which pH would react more vigorously with zinc carbonate​

Chemistry
2 answers:
Oxana [17]2 years ago
7 0
The solution which would react vigorously with zinc carbonate is Hydrochloric acid.

Explanation: When Zinc carbonate (ZnCO3) reacts with Hydrochloric acid (HCl), it gives rise to zinc chloride (ZnCl2) and carbon dioxide (CO2).
svet-max [94.6K]2 years ago
4 0
The solution which would react vigorously with zinc carbonate is hydrochloric acid.
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What is the total energy needed to boil 255 grams of water, given that the
nexus9112 [7]

Answer:

  • <u>575,000 J</u>

Explanation:

<u>1) Convert the mass of water into number of moles</u>

  • Molar mass of water: 18.015 g/mol

  • Number of moles, n = mass in grams / molar mass

        n = 255 g / 18.015 g/mol = 14.15 mol

<u>2) Use the formula E = n × ΔH vap</u>

This is, you have to multiply the molar ΔH vaporization by the number of moles to find the total energy to boil the given amount of water.

  • E = 14.15 mol × 40,650 J/mol = 575,395.5 J

<u>3) Round to the correct number of significant figures.</u>

The mass of water is the measurement with the least number of significant figures (3), so you must report the answer with 3 significant figures,

  • E = 575,000 J ← answer
3 0
3 years ago
How many electrons are transferred between the cation and anion to form the ionic bond in one formula unit of each compound? (1
kodGreya [7K]

The number of transferred electrons to form the ionic bond in one formula unit of each compound is as below

NaCl = 1 electron

CaS = 2 electrons

BaO= 2 electrons

KBr=1 electrons

LIF = 1 electron



explanation

ionic bond is formed between a metal and a nonmetal . This bond is formed when electron are transferred between cation and anion. To know how many electrons transferred you look the oxidation state of the metal.


for example 

in NaCl only one electrons is transferred since Na is in oxidation state of +1. Na donate the one electron to Cl to form an ionic bond.  Ba  is in oxidation state  of 2+ and hence it  donate the two electrons to O to form ionic bond.

4 0
3 years ago
Porque el agua es buena elección para disolver liquidos en un laboratorio
levacccp [35]
Porque es Clara y no contiene quimicos
5 0
4 years ago
Three solutions are mixed together to form a single solution; in the final solution, there are 0.2 mol pb(ch3coo)2, 0.1 mol na2s
RUDIKE [14]

We are given the compounds:

0.2 mol pb(ch3coo)2, 0.1 mol na2s, and 0.1 mol cacl2

Pb will react with both S and Cl to form a solid compound, therefore:

Pb+2 + S-2 ---> PbS(s) <span>
Pb+2 + 2Cl- ---> PbCl2(s) </span><span>

<span>Lead(II) sulfide and Lead(II) chloride will precipitate.</span></span>

8 0
4 years ago
Read 2 more answers
What is the result of mixing a water molecule and an oxygen molecule?
Julli [10]

The result of this would be H₂O.

H₂0, is nothing but water.

A chemical reaction is occurring.

Hope this helps! :D

4 0
3 years ago
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