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3 years ago

What is the transfer of heat by direct contact - occurs when the particles in a material collide with neighboring particles?

Chemistry

1 answer:

nignag [31]3 years ago

8 0

Answer:

Conduction

Explanation:

<h2>Hope I helped you:)</h2>

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Which of the following is a true statement?

maria [59]

Answer:

the second one seems right :)

Explanation:

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3 years ago

Please help!! What colors do acids and bases turn litmus paper?

Yakvenalex [24]

Answer:

acid turns blue litmus red and base turns red litmus blue

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3 years ago

Read 2 more answers

Ion If we add an electron to a stable element we call it a(n)_____ion anion cation

masha68 [24]

The answer is a cation, I may be wrong but cation is plus and anion is subtract

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2 years ago

A section of the periodic table is shown below: A portion of two rows of the periodic table is shown. The first row reads two he

cluponka [151]

The statement which is true is

Fluorine is more reactive than nitrogen because fluorine needs only one electron to fill its outermost shell.

Explanation

Fluorine has electron configuration of 1S²2S²2P⁵ while nitrogen has 1S²2S²2P³ electron configuration.

The 2P sub shell for nitrogen is half filled therefore it is sable than fluorine.

since p orbital can hold a maximum of 6 electrons ,Fluorine requires 1 electron to completely fill it's 2P sub shell which make it more reactive than nitrogen.

7 0

3 years ago

At a given temperature, the elementary reaction A --->B in the forward direction is first order in A with a rate constant of

Pani-rosa [81]

Answer:

The value of the equilibrium constant for the reaction A ⇒ B is Kc = 1.72 × 10³.

The value of the equilibrium constant for the reaction B ⇒ A is K'c = 5.81 × 10⁻⁴.

Explanation:

For the reaction A ⇒ B, the equilibrium constant (Kc) is equal to the forward rate constant (kf) divided by the reverse rate constant (ki).

$Kc=\frac{kf}{ki} =\frac{1.60 \times 10^{2} s^{-1} }{ 9.30 \times 10^{-2} s^{-1}} =1.72 \times 10^{3}$

If we consider the inverse reaction B ⇒ A, its equilibrium constant (K'c) is the inverse of the forward reaction equilibrium constant.

$K'c=\frac{1}{Kc} =\frac{1}{1.72 \times 10^{3} } =5.81 \times 10^{-4}$

4 0

3 years ago