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8090 [49]
3 years ago
7

What are the three particles of an atom

Chemistry
2 answers:
Len [333]3 years ago
6 0
They are protons, neutrons and electrons.
zvonat [6]3 years ago
4 0
They are proton nuetrons and electrons
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marusya05 [52]

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A) Oxygen

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Explanation:

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How many atoms of Mg are present in 97.22 grams of Mg?
Hitman42 [59]

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Explanation:

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sing any data you can find in the ALEKS Data resource, calculate the equilibrium constant K at 25.0°C for the following reaction
prisoha [69]

Answer:

2.76 × 10⁻¹¹  

Explanation:

I don’t have access to the ALEKS Data resource, so I used a different source. The number may be different from yours.

1. Calculate the free energy of formation of CCl₄

                         C(s)+ 2Cl₂(g)→ CCl₄(g)

ΔG°/ mol·L⁻¹:       0         0         -65.3

ΔᵣG° = ΔG°f(products) - ΔG°f(reactants) = -65.3 kJ·mol⁻¹

2. Calculate K

\text{The relationship between $\Delta G^{\circ}$ and K  is}\\\Delta G^{\circ} = -RT \ln K

T = (25.0 + 273.15) K = 298.15 K

\begin{array}{rcl}-65 300 & = & -8.314 \times 298.15 \ln K \\65300& = & 2479 \ln K\\26.34 & = & \ln K\\K& = & e^{26.34}\\&= & \mathbf{2.76 \times 10}^{\mathbf{11}}\\\end{array}

3 0
3 years ago
If a quadrilateral has three angels measuring 60, 45 and 100 find the measure of the fourth angel
Nina [5.8K]
The sum of angels of a quadrilateral is equal to 360°.

∠A = 360 - (60 + 45 + 100) = 155
7 0
3 years ago
For the reaction of aqueous strontium chloride and lithium sulfate, write the balanced molecular equation
Igoryamba
SrCl2 + Li2(SO4) —> 2LiCl + Sr(SO4)
7 0
3 years ago
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