A0.3423 g sample of pentane, c5h12, was burned in a bomb calorimeter. the temperature of the calorimeter and the 1.000kg of water contained therein rose from 20.22 degrees celcius to 22.82 degrees celcius. the heat capacity of the calorimeter is 2.21 kj/c. the heat capacity of water = 4.184 j/g c. a. how much heat was given off during combustion fo the sample of pentane. answer = 16.6 kjb. what is the heat of combustion, in kilojoules, per gram of pentaneanswer = 48.6 kj/g

Δ

Explanation:

Hello,

A. In this part, we must include the heat effect for pentane and water:

B. In this part, we just consider the previously computed heat and divide it by the sample of pentane as follows:

Δ

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each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.