Lanthanide Lanthanoid, also called Lanthanide
Answer:
5.4 tonnes.
Explanation:
The first step is to find the molar mass of Al2O3. Aluminum has a molar mass of about 27 and oxygen has a molar mass of about 16, so 2(27)+3(16)= 102g/mol=0.102kg/mol. 10200kg/0.102kg/mol=100,000 moles of Al2O3 in 10.2 tonnes. Multiplying this by the molar mass of the two aluminums, you get a total of 54*100,000=5400000g=5400kg=5.4 tonnes. Hope this helps!
Answer : The energy gained by copper can be calculated by using the below formula :
Energy = Mass X Specific heat X Temperature change.
Solution : Given, Mass of Cu = 48.7
Specific heat = 0.385
Temperature change = 10 to x = (x-10)
On substituting the values we get,
Energy = 48.7 X 0.385 X (x-10) = 18.7495 X (x-10) KJ
Answer:
Pain
Explanation:
the pain depends on u banging your head