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Dominik [7]
4 years ago
15

Please help I’m torn between A and B. I’ve asked many and people say A, but I asked my science teacher and she said B. And also

I’ve researched and on answers.com also says Water is the better insulator..but idk I’m conflicted! APEX But then again it says
THERMAL INSULATOR...

Chemistry
1 answer:
astraxan [27]4 years ago
4 0
If your science teacher says B, it’s probably because water has a negative and positive end, heat is just a form of energy, as other atoms can’t leave (they’re attracted to the ends) they are being insulated; but notice that ice will melt into gas (where atoms have tons of space) for other atoms to escape. Hence ice and gas aren’t ideal. (Air is a gas here.)
It’s not a 100% but hopefully it helps with some kind of analogy.
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What is the volume that you should dilute 30mL of a 12.0M H2SO4 solution to obtain a 0.160M H2SO4 solution?
shutvik [7]
To solve this problem, the dilution equation (M1 x V1 = M2 X V2) must be used. The given values in the problem are M1= 12.0 M, V1= 30 mL, and M2= 0.160 M. To solve for V2,
V2=M1xV1/M2
V2= (12x30)/0.16
V2= 2,250 mL.
The correct answer is 2.25 L.
8 0
3 years ago
Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas. pcl3(g) + cl2(g) equilibrium reaction ar
vladimir1956 [14]

The question is incomplete, here is the complete question:

Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas:

PCl_3(g)+Cl_2(g)\rightleftharpoons PCl_5(g)

A gas vessel is charged with a mixture of PCl_3(g) and Cl_2(g), which is allowed to equilibriate at 450 K. At equilibrium the partial pressures of the three gases are p_{PCl_3(g)} = 0.126 atm , p_{Cl_2(g)} = 0.156 atm , and p_{PCl_5(g)} = 1.60 atm. What is the value of K_p at this temperature?

<u>Answer:</u> The K_p for the given reaction is 81.4

<u>Explanation:</u>

For the given chemical equation:

PCl_3(g)+Cl_2(g)\rightleftharpoons PCl_5(g)

The expression of K_p for above reaction follows:

K_p=\frac{p_{PCl_5}}{p_{Cl_2}\times p_{PCl_3}}

We are given:

p_{PCl_5}=1.60atm\\p_{PCl_3}=0.126atm\\p_{Cl_2}=0.156atm

Putting values in above equation, we get:

K_p=\frac{1.60}{0.156\times 0.126}\\\\K_p=81.4

Hence, the K_p for the given reaction is 81.4

8 0
3 years ago
How many atoms in:<br><br> 1. PbF3 - <br><br> 2. Pb2O3 -
Gre4nikov [31]

Answer:

The correct answer is 1) 257 and 2) 135

Explanation:

3 0
3 years ago
g Tom's roommate Bob spilled crystal violet solution on his lab coat, and Tom offers to use some lye (sodium hydroxide solution)
irina [24]

Answer:

Tom is correct. The rate of reaction of Crystal violet and NaOH is first order with respect to NaOH, hence, a higher concentration of NaOH corresponds to a higher rate of reaction; a faster reaction.

This means the speed of cleaning depends on the concentration of the lye used.

Explanation:

The reaction between Crystal violet and NaOH, represented as

CV⁺ + OH⁻ → CVOH

It is a reaction that is know to turn the violet colour of the crystal violet colourless.

The rate of the reaction is also known to be second order; first order with respect to Crystal violet and first order with respect to NaOH.

This means that the rate of reaction is directly proportional to the concentration of NaOH provided all other parameters such as the rate constant and the concentration of Crystal violet are constant.

Hence, the reaction becomes faster with an increased concentration of NaOH.

So, Tom is right, concentrated lye solution would remove the stain faster.

Bob is wrong.

Hope this Helps!!!

4 0
3 years ago
Bacon head chicken noob
dangina [55]

Answer:

alright that sounds like a recipe i gota try

5 0
3 years ago
Read 2 more answers
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