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Furkat [3]
3 years ago
13

8. What is probability?​

Chemistry
1 answer:
nata0808 [166]3 years ago
6 0

Answer:

<em>In equipment reliability, the likelihood that a given event will occur</em>

Explanation:

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The complete combustion of C4H10, will require how many moles of oxygen, O2? ________.​
tangare [24]

Answer:

2

Explanation:

C⁴H¹⁰ + 2O² —> 4CH²O + H²

8 0
3 years ago
A. Energy is transferred to different forms
Luden [163]

Answer:

A. Energy is transferred to different forms .

Explanation:

Hello!

In this case, we need to consider the law of conservation of mass and energy which states that mass and energy cannot be neither created nor destroyed, just modified; it means we can rule out B. and C. so far.

Moreover, since D. is actually true for combustion reactions because they are used to provide energy in industrial operations, this is not the concern here because a combustion reaction is not considered.

Therefore the correct option is A. Energy is transferred to different forms as the energy provided by Rose is transferred to the pendulum system .

Best regards!

3 0
3 years ago
Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free energy of the following chemical
julia-pushkina [17]

Answer:

43.0 kJ

Explanation:

The free energy (ΔG) measures the total energy that is presented in a thermodynamic system that is available to produce useful work, especially at thermal machines. In a reaction, the value of the variation of it indicates if the process is spontaneous or nonspontaneous because the free energy intends to decrease, so, if ΔG < 0, the reaction is spontaneous.

The standard value is measured at 25°C, 298 K, and the value of free energy varies with the temperature. It can be calculated by the standard-free energy of formation (G°f), and will be:

ΔG = ∑n*G°f products - ∑n*G°f reactants, where n is the coefficient of the substance in the balanced reaction.

By the balanced reaction given:

2NOCl(g) --> 2NO(g) + Cl2(g)

At ALEKS Data tab:

G°f, NOCl(g) = 66.1 kJ/mol

G°f, NO(g) = 87.6 kJ/mol

G°f, Cl2(g) = 0 kJ/mol

ΔG = 2*87.6 - 2*66.1

ΔG = 43.0 kJ

6 0
3 years ago
Screen of monitors and televisions are made by ?
kati45 [8]

Answer:

C

Explanation:

This is a correct answer i think soo

8 0
2 years ago
Read 2 more answers
What element has 2 electrons in its outermost energy level and is in the 2nd period on periodic table?
Olegator [25]
Be-beryllium have 2 electrons and it is in the 2 nd period
4 0
3 years ago
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