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2 years ago

10

Draw the structural formula for dipeptide Pro-phe

1 answer:

Nata [24]2 years ago

6 0

Answer:

/......................................................

Explanation:

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If a chemical change has taken place, which of these is most likely true? It's for science.

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Explain the way ammonia, salt, and water are alike

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3 years ago

If 50 g of lead (of specific heat 0.11 kcal/kg ∙ C°) at 100°C is put into 75 g of water (of specific heat 1.0 kcal/kg ∙ C°) at 0

Contact [7]

Answer: The final temperature is $279.8K$

Explanation:

$heat_{absorbed}=heat_{released}$

As we know that,

$Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})$

$m_1\times c_1\times (T_{final}-T_1)=-[m_2\times c_2\times (T_{final}-T_2)]$ .................(1)

where,

q = heat absorbed or released

$m_1$ = mass of lead = 50 g

$m_2$ = mass of water = 75 g

$T_{final}$ = final temperature = ?

$T_1$ = temperature of lead = $100^oC=373K$

$T_2$ = temperature of water = $0^oC=273K$

$c_1$ = specific heat of lead = $0.11kcal/kg^0C$

$c_2$ = specific heat of water= $1.0kcal/kg^0C$

Now put all the given values in equation (1), we get

$50\times 0.11\times (T_{final}-373)=-[75\times 1.0\times (T_{final}-273)]$

$T_{final}=279.8K$

Therefore, the final temperature of the mixture will be 279.8 K.

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frez [133]

Answer:

Please see attachment

Explanation:

Please see attachment

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