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2 years ago

8

Metallic substances will conduct electricity in A) the liquid phase, only B) neither the solid nor the liquid phase C) the solid

phase, only D) both the solid and the liquid phase

1 answer:

Alenkinab [10]2 years ago

5 0

Answer:

D) both the solid and the liquid phase

Explanation:

Metallic substances will conduct electricity in both the solid and liquid phase. Metals are generally conductors of heat and electricity.

In metals there are free mobile electrons the enables the flow electricity.
The free mobile electrons is utilized by the metals to conduct electricity.
Metals generally have metallic bonds that holds their particles together.
The metallic bonds enables metals to have a sea of delocalized electrons.
Metals have a large atomic radius and larger electron pool.

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Pls help ty so much!

Nitella [24]

$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \:mass = 11.42 \:\: grams$

____________________________________

$\large \tt Solution \: :$

$\qquad \tt \rightarrow \: Q = ms\Delta T$

$\textsf{Q = heat evolved/absorbed = 501 J}$

$\textsf{m = mass in gram = ?}$

$\textsf{s = specific heat = 0.45}$

$\textsf{ΔT = change in temp = 120 - 22.5 =97.5°C}$

$\large\textsf{Find m : }$

$\qquad \tt \rightarrow \: 501 = m \sdot(0.45) \sdot(97.5)$

$\qquad \tt \rightarrow \: 501 = m \sdot43.875$

$\qquad \tt \rightarrow \: m = \dfrac{501}{43.875}$

$\qquad \tt \rightarrow \: m \approx11.42 \: \: g$

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0

1 year ago

Can you get molecules to stop wiggling??

lilavasa [31]

No, molecules don’t ever stop moving

5 0

3 years ago

which of these species is most likely to be a lewis acid and is also least likely to be a bronsted acid

pochemuha

Answer:

This question is incomplete but the completed question is below

Which Of These Species Is Most Likely To Be A Lewis Acid And Is Also Least Likely To Be A Brønsted Acid? (A) NH4⁺ (B) BF₃ (C) H₂O (D) OH⁻

The correct option is B

Explanation:

A lewis acid is a substance that accepts (or is capable of accepting) a pair of electrons. For example BF₃, while a lewis base is a substance that donates (or is capable of donating) a pair of electrons. For example OH⁻.

If we take a look at the boron (B) in BF₃, it has 3 electrons on it's outermost shell, each of which are bonded to flourine and can still accept a pair of electrons (lone pair). <u>This makes it very likely to be a lewis acid</u>.

Bronsted lowry acid is a substance that donates or can donate a proton or H⁺ (for example HCl) while bronsted lowry base is a substance that accepts or can accept a proton or H⁺ (for example NH₃).

<u>BF₃ cannot donate a proton or H⁺ hence it is least likely to be called a bronsted acid.</u>

6 0

3 years ago

Lagta ha bhaijaan sa sab bahenjaan naraz haan koi bat ni kr raha

Fiesta28 [93]

Answer:

maybe,lol

Explanation:

5 0

2 years ago

What element has 2 electrons in the 4s sub level?

ruslelena [56]

is the Calcium because the calcium in group two which group two has 2 electron and also calcium and Potassium 4s sub level group potassium has 1 electron. :)

4 0

2 years ago