3 years ago

Do solids have spaces between their particles?

Chemistry

1 answer:

telo118 [61]3 years ago

7 0

Answer:

yes

Explanation:

there are still some space in between them

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The activation energy for the reaction NO2 (g )+ CO (g) ⟶ NO (g) + CO2 (g) is Ea = 218 kJ/mol and the change in enthalpy for the

madreJ [45]

Answer:

$470\frac{KJ}{mol}$

Explanation:

The activation energy represents the energy barrier that reagents must pass to transform into products (or products to transform into reagents in a reverse reaction)

For any reaction, the change in enthalpy is related to the activation energy by the equation

$\Delta H =E_{a\ direct}-E_{a\ reverse}$

So, the activation energy for the reverse reaction is

$E_{a\ reverse}=E_{a\ direct}-\Delta H =218 \frac{KJ}{mol} - (-252)\frac{KJ}{mol}=470\frac{KJ}{mol}$

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3 years ago

Calculate the molecular mass or formula mass in any of CH4 NO2 SO3 C6H6 Nal

Zielflug [23.3K]

Answer:

Ch4 Is an ion so the molecule yes 5

Explanation:

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3 years ago

if a steel spoon were to be plated with silver, state what would be suitable as the anode, cathode, electrolyte

Tresset [83]

Answer:

The anode will be silver

The cathode will be the steel spoon

The electrolyte will be silver nitrate

Explanation:

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2 years ago

Read 2 more answers

Complete this sentence. If mass remains the same while the volume of a substance ________, the density of the substance will____

VARVARA [1.3K]

Answer:

B. Increases, Decreases

Explanation:

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3 years ago

How is a mixture such as a plate of pasta different from a mixture such as air

stealth61 [152]

Answer:

Well there is a lot of differences between the two. Its called homogeneous and Heterogeneous mixtures. Homogeneous mixtures are all the substances are evenly distributed throughout the mixture (salt water, air, blood). Heterogeneous mixtures are the substances that are not evenly distributed (chocolate chip cookies, pizza, rocks). So Pasta with sauce and meatballs is heterogeneous and air is homogeneous

HOPE THIS HELPS HAVE A GREAT DAY!!~

Explanation:

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2 years ago