2 years ago

Help ill give brainliest help with number 11

1 answer:

8 0

Give an example. Because temperature is an average of the kinetic energy of the molecules, it does not depend on the amount of the substance. ... So if one object has few molecules with a high temperature, it may have the same thermal energy as another object that has many molecules at a lower temperature.

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Calculate the molality (m) of solution containing 20.5 g of ethylene glycol C,H,O,

Svetllana [295]

Answer:

Given

mass of solute (m) =20.5g

mass of solvent( ms) =155g

solution

malality =mX1000/mrxms

M=20.5x1000/62x155

M=2.1332

5 0

3 years ago

The person who answerers this will get 100 points pls answer all the question's

zysi [14]

Answer:

I think that is the literal answer

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SVETLANKA909090 [29]

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3 years ago

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romanna [79]

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3 years ago

Lattice energy is Question 4 options: the energy given off when gaseous ions combine to form one mole of an ionic solid the ener

aleksley [76]

Answer:

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Explanation:

Lattice energy is usually calculated by the Born-Haber cycle, from the affinity energies and sublimation ethalphy values. It is used as an estimation of the ionic energy strength between the ions in an ionic compound.

It is defined as the energy needed to broke 1 mol of a given ionic compound into its ions in the gaseous state. For example, the lattice energy for sodium chloride (NaCl) is the energy required to separate 1 mol of solid ionic compound (NaCl(s)) and produce the sodium and chlorine ions in the gas phase: Na⁺(g) and Cl⁻(g).

4 0

3 years ago