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maksim [4K]
3 years ago
10

Matthew was working with different concentrations of hydrochloric acid in the lab. Which of these would BEST describe the result

s Matthew would see if he was using a conductivity apparatus in each of the different acid concentrations? A) The bulb would burn the same in all concentrations. B) The light bulb would burn brightest in the weakest acid. C) The light bulb would burn brightest in the strongest acid. D) The light bulb would not burn as acids do not conduct electricity.
Chemistry
2 answers:
nevsk [136]3 years ago
7 0

The answer to this question would be C. I hope this helps!

zubka84 [21]3 years ago
5 0

Answer:

C)  

The light bulb would burn brightest in the strongest acid.

Explanation:

The light bulb would burn brightest in the strongest acid. The stronger the acid, the more ions produced in solution, and the better conductor it is.

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What is the largest number of atoms a carbon atom can bond to with all single bonds
ICE Princess25 [194]
4 total bonds if u have double,or triple then subtract from 4
3 0
3 years ago
On a cool morning (12"C), a balloon is filled with 1.5 L of helium. By mid afternoon, the temperature has soared to 32°C. What i
ddd [48]

Answer:

1.6 L

Explanation:

Using Charle's law  

\frac {V_1}{T_1}=\frac {V_2}{T_2}

Given ,  

V₁ = 1.5 L

V₂ = ?

T₁ = 12 °C

T₂ = 32 °C  

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T₁ = (12 + 273.15) K = 285.15 K  

T₂ = (32 + 273.15) K = 305.15 K  

Using above equation as:

\frac{1.5}{285.15}=\frac{V_2}{305.15}

V_2=\frac{1.5\cdot \:305.15}{285.15}

New volume = 1.6 L

8 0
3 years ago
Which in bigger 43 mg or 5 g
AleksandrR [38]
5 g is bigger than 43 mg.

I hope this is right, I apologize if I'm wrong.
6 0
3 years ago
Read 2 more answers
Do atoms or molecules in solids have no motion
Svet_ta [14]

Answer:

Well yes and no

Explanation:

The molecules move, but in place. They are constantly vibrating, rotating and so forth.

Atoms do not move at all

5 0
3 years ago
What is the Chemical Formula and Net Ionic Equations for all three solutions.
AlladinOne [14]

Answer:

See answer below

Explanation:

As you are asking for chemical formula and ionic equation, then, I will assume that after the station #3 below, are the solutions you are requiring.

You are also not specifing if you want for example, result of solution 1 + solution 3. If you need that, please post that on another question.

Now for the chemical formula, you need to identify the elements in all 3 solutions, and also the type of compound.

<u>1. Solution 2 Potassium Iodide: </u>

In this case we have Potassium on one side, and Iodine on the other side, the symbol for those are K and l. As Potassium have the +1 oxidation state, cause is the only one that it can have, when it's next to an halide like chlorine or bromine, it will form a binary salt. The halides, usually work with the lowest oxydation state. In the case of Iodide it will be -1, so, the formula will be:

KI

And the net ionic equation will be the chemical equation that shows how the charges and atoms are balanced. In this case it would be:  

K⁺ + I⁻ ------> KI

<u>2. Solution 1 and 3, Lead (II) nitrate and Sodium carbonate: </u>

In this case I will work with both, because both of the solution are tertiary compounds. In this cases, we have two tertiary salt, The Sodium symbol is Na, and is working with it oxydation state +1. Carbonate is an anion and have the formula CO₃ working with the oxydation state -2. Lead can work with oxidation state +2 and +4. It's symbol is Pb. Nitrate is NO₃ and works with oxydation state -1 instead.

The chemical formula and ionic equation for both will be:

Lead(II) nitrate: Pb(NO₃)₂

Sodium Carbonate: Na₂CO₃

And the net equations:

Lead nitrate: Pb²⁺ + 2NO₃⁻ ------> Pb(NO₃)₂

Copper sulfate: 2Na⁺ + CO₃²⁻ -------> Na₂CO₃

Hope this helps

6 0
3 years ago
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