3) how much energy does it take to condense 26.5 g of h0 at 100°c?
equation:

59.89 KJ

Explanation:

Data Given:

mass of H₂O (m) = 26.5 g

heat released (Q) = ?

Solution:

This question is related to the latent heat of condensation.

Latent heat of condensation is the amount of heat released when water vapors condenses to liquid.

Formula used

Q = m x Lc . . . . . (1)

where

Lc = specific latent heat of condensation

Latent heat of vaporization of water is exactly equal to heat of condensation with -ve charge

So, Latent heat of vaporization of water has a constant value

Latent heat of vaporization of water = 2260 J/g

So

Latent heat of condensation of water will be = - 2260 J/g

Put values in eq. 1

            Q = (26.5 g) x (- 2260 J/g)

            Q = - 59890 J

convert J to kJ

1000 J = 1 KJ

59890 J = 59890 / 1000 = 59.89 KJ

So, 59.89 K of heat will be released. negative sign indicate release of energy for condensation

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explanation:

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.