2 years ago

Which of the following properties tells the most about the stability of a metal?

Chemistry

2 answers:

bearhunter [10]2 years ago

7 0

I believe the answer is A

Colt1911 [192]2 years ago

6 0

Answer: B Electronegativity

(A-p-e-x)

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ziro4ka [17]

Answer:

The answer is Protein.

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3 years ago

For a particular reaction, Δ=−111.4 kJ and Δ=−25.0 J/K.

vichka [17]

Answer:

$\Delta G =-103.95kJ$

Explanation:

Hello there!

In this case, since the thermodynamic definition of the Gibbs free energy for a change process is:

$\Delta G =\Delta H-T\Delta S$

It is possible to plug in the given H, T and S with consistent units, to obtain the correct G as shown below:

$\Delta G =-111.4kJ-(298K)(-25.0\frac{J}{K}*\frac{1kJ}{1000J} )\\\\\Delta G =-103.95kJ$

Best regards!

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2 years ago

Which of the following describes the location and energy of all the valence electrons

Nastasia [14]

Answer:

1s22s22p6<u>3s23p4</u>

Explanation:

Sulfur is located in the p block and has 6 valence electrons (the 2 exponent on the 3s and the 4 exponent on the 3p add up to 6)

4 0

2 years ago

How many moles of C2H2 are needed to react completely with 84 mol O2

Butoxors [25]

Balanced chemical equation:

2 C2H2 + 5 O2 = 4 CO2 + 2 H2O

2 moles C2H2 ---------------- 5 moles O2
moles C2H2 ------------------ 84 moles O2

moles C2H2 = 84 * 2 / 5

molesC2H2 = 168 / 5 => 33.6 moles of C2H2

4 0

3 years ago

ASAP worth 15 points also

Taya2010 [7]

The person above me is correct I took a test on this so it’s the right answer

7 0

2 years ago