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dexar [7]
3 years ago
5

HElPpp AsAPp I’ll mark you as brainlister!!

Chemistry
1 answer:
vichka [17]3 years ago
5 0
A. There is no extra information
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How much ice (in grams) would have to melt to lower the temperature of 354 ml of water from 26 ?c to 6 ?c? (assume the density o
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Heat gained in a system can be calculated by multiplying the given mass to the specific heat capacity of the substance and the temperature difference. It is expressed as follows:<span>

Heat = mC(T2-T1) 

When two objects are in contact, it should be that the heat lost is equal to what is gained by the other. From this, we can calculate things. We do as follows:

<span>Heat gained = Heat lost</span>
mC(T2-T1) = - mC(T2-T1) 

C(liquid water) = 4.18 J/gC
C(ice) = 2.11 J/gC

</span><span>(354 mL)(1.0 g/mL)(4.18 J/gC)(26 C - 6 C) = m(2.11 J/gC)(6 - 0C) </span><span>
m = 2337.63 g of ice

</span>
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The atomic number of carbon is 6. its nucleus must contain:
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Must contain: 6 protons, 6 electrons and 12 neutrons.
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It is insoluble. Because one of the substances are polar and the other is non-polar.

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The correct option is D.

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