Answer:
The specific heat capacity of quartz is 0.71 J/g°C.
Explanation:
Heat lost by quartz will be equal to heat gained by the water

Mass of quartz= 
Specific heat capacity of quartz= 
Initial temperature of the quartz= 
Final temperature = 

Mass of water=
Specific heat capacity of water= 
Initial temperature of the water = 
Final temperature of water = 



On substituting all values:

we get:

The specific heat capacity of quartz is 0.71 J/g°C.
Answer: The number of protons in cation is more than the number of electrons
Explanation:
cations are positive ions that means that they lose electrons to be stable nd have electron configuration (atomic number ) equivalent to the preceding noble gas
as : sodium 11 , it loses on electron to be stable and its electron configuration is equivalent to neon 10
so ,the number of protons in cation is more than the number of electrons
i hope it helps!
Mghcl14 + H2 = mghclh 16 work needed to solve this problem
The exact answer is 511.219514