Thermocemeg - Deddf Hess / Enthalpi
Authored by E Evans
Chemistry
9th - 12th Grade
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa fath o newid enthalpi a welir yn yr hafaliad isod:
3C(s) + 3H2(n) + 1/2 O2(n) --> C3H5OH(h)
Newid enthalpi ffurfiant molar safonol
Newid enthalpi hylosgiad molar safonol
Newid enthalpi molar safonol
Newid enthalpi hydradiad molar safonol
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa fath o newid enthalpi a welir yn yr hafaliad isod:
Na(s) + 1/2Cl2(n) --> NaCl(s)
Newid enthalpi ffurfiant molar safonol
Newid enthalpi hylosgiad molar safonol
Newid enthalpi molar safonol
Newid enthalpi hydradiad molar safonol
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Beth yw newid enthalpi ffurfiant molar safonol elfen yn ei gyflwr naturiol?
(a)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa fath o newid enthalpi a welir yn yr hafaliad isod:
2Na(s) + 1/2O2(n) --> Na2O(s)
Newid enthalpi ffurfiant molar safonol
Newid enthalpi hylosgiad molar safonol
Newid enthalpi molar safonol
Newid enthalpi hydradiad molar safonol
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa fath o newid enthalpi a welir yn yr hafaliad isod:
C5H12(h) + 8O2(n) --> 5CO2(n) + 6H2O(n)
Newid enthalpi ffurfiant molar safonol
Newid enthalpi hylosgiad molar safonol
Newid enthalpi molar safonol
Newid enthalpi hydradiad molar safonol
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa fath o newid enthalpi a welir yn yr hafaliad isod:
NaCl(s) --> Na+(d) + Cl-(d)
Newid enthalpi ffurfiant molar safonol
Newid enthalpi hylosgiad molar safonol
Newid enthalpi molar safonol
Newid enthalpi hydradiad molar safonol
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pa fath o newid enthalpi a welir yn yr hafaliad isod:
CuSO4 (d) + Zn(s) --> ZnSO4(d) + Cu(s)
Newid enthalpi ffurfiant molar safonol
Newid enthalpi hylosgiad molar safonol
Newid enthalpi molar safonol
Newid enthalpi hydradiad molar safonol
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