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Over [174]
2 years ago
9

1. If the water is not completely removed from the salt during the heating process will the reported water-to-salt mole ratio (X

) be high or low? Explain
Chemistry
1 answer:
Vitek1552 [10]2 years ago
4 0

Answer:

The water in the hydrate (referred to as "water of hydration") can be removed by heating the hydrate. When all hydrating water is removed, the material is said to be anhydrous and is referred to as an anhydrate.

Explanation:

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<h2>hydrogen gas is produced .</h2>

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Cart A has a mass of 24 kg and is being pulled with a force of 32 N. Cart B has a mass of
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1. An electric power plant uses energy from burning coal to generate steam at 450 °C. The plant is cooled by 20 °C water
kap26 [50]

Answer:

Explanation:

Efficiency of the electric power plant is e=1-\frac{T_{2}}{T_{1}}

Here Temperature of hot source T_{1} = 450^{o}C=450+273=723 K

and Temperature of sink T_{1} = 20^{o}C=20+273=293 K

Hence the efficiency is  e=1-\frac{293}{723}=0.5947=59.47%

Now another formula for thermal efficiency Is

e_{therm}=\frac{Q_{1}-Q_{2}}{Q_{1}}=\frac{W}{Q_{1}}

Here QI is the of heat taken from source 100 MJ ; Q2 of heat transferred to the sink (river) to be found

W is the of work done and W = QI -Q2

Hence Frome_{therm}=\frac{Q_{1}-Q_{2}}{Q_{1}}=\frac{W}{Q_{1}}

W=e(Q_{1})=(0.5947)(100)=59.47MJ

Hence the of heat transferred to the river Is Q_{2} -W = (100 -59.47=40.53

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3 years ago
The various atomic masses of the same element are called neutrino positron critical mass isotopes
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The various atomic masses of the same element are called<u> isotopes</u>. They have the same number of protons but different number of neutrons.
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What are watts and how do they work
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