How are real gases different from ideal gases?

1 answer:

3 0

Real gases have small attractive and repulsive forces between particles and ideal gases do not. Real gas particles have a volume and ideal gas particles do not. Real gas particles collide inelastically loses energy with collisions and ideal gas particles collide elastically.

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Mg(s) + ½O2(g) → MgO(s) + 146 kcal/mole H2(g) + ½O2(g) → H2O(g), ΔH = -57.82 kcal/mole What type of reaction is represented by t

adell [148]

Answer is: both reactions are exothermic.

In exothermic reactions, heat is released and enthalpy of reaction is less than zero (as it show second chemical reaction).
According to Le Chatelier's principle when the reaction is exothermic heat is included as a product (as it show first chemical reaction).

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3 years ago

If Z is the symbol for an element, which pair among the following represents isotopes of the same element?

anygoal [31]

B. 51 50
Z and Z
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It is because only this element have equal number of Protons (Bottom number) and are different in atomic masses (upper number)

Hope this helps!

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3 years ago

Read 2 more answers

How do you convert from grams to moles?

ludmilkaskok [199]

Each element or compound has a molar mass, which is calculated by multiplying the atomic mass of each element by the amount of atoms of that element, and summing the results of each element. The molar mass is measured in g/mol. So you divide the mass in grams by the molar mass to get the amount of moles.

Example:

There are 5g of water.

Calculate the amount of moles.

The water's formula is H2O, so the molar mass of it is

$2 \times 1 + 1 \times 16 = 18$

g/mol.

The amount of moles is:

5g ÷ 18g/mol ~ 0.28mol

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2 years ago

How many grams of KCIO3 will be formed from 3.58g of KCI

blsea [12.9K]

Answer:

5 mols

Explanation:

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3 years ago

Which of the following statements is true?

k0ka [10]

The second and first one but if it isn’t 2 choices then 1

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