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alexandr1967 [171]
3 years ago
10

The temperature of a 6.0-g sample of glass changed from 20c to 45c when it absorbed 550 j of heat. What is the specific heat of

this glass sample
Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
4 0

Answer: 3.33J/g^oC

Explanation:

Q= m\times c\times \Delta T

Q= heat gained  = 550 J

m = mass of the substance = 6.0 g

c = heat capacity of  iron = ?    

\Delta T={\text{Change in temperature}}=(45-20)^oC=25^0C  

500J=6.0g\times c\times 25^oC

c= 3.33J/g^oC

Thus specific heat of the glass sample is 3.33J/g^oC

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Explanation:

Let us begin by writing a balanced equation for the reaction. This is illustrated below:

2Na + Cl2 —> 2NaCl

From the equation above,

1 mole of Cl produced 2 moles of NaCl.

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If 125 g of CaCO3 is mixed and reacted with 125 g of HCl, which reactant is limiting and how many grams of CO2 can be made?
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