ACTUAL Exam Questions and CORRECT
Answers
what are reactants in the equation P₄ + 5O₂→ 2P₂ O₅ - CORRECT ANSWER - P₄+ 5 O₂
What are the products in the equation P4+ 5 O2→2p₂ o₅ - CORRECT ANSWER - 2P₂ O₅
what do you call the 4 in the equation P₄ - CORRECT ANSWER - a subcript
what do you call the 5 in 5 O₂ - CORRECT ANSWER - coefficient
what is the arrow (→) called - CORRECT ANSWER - yield sign
how many P atoms are ono the left side of ht equation
P₄ +5 O₂→ 2P₂ O₅ - CORRECT ANSWER -4
how many P atoms are on the right side of the equation P₄ + 5 O₂→ 2P₂ O₅ - CORRECT
ANSWER -4
how many oxygen atoms are on the left side of the equation P₄ + 5 O₂→ 2P₂ O₅ - CORRECT
ANSWER - 10
how many oxygen atoms are on the right side of the equation P₄ + 5 O₂→ 2P₂ O₅ - CORRECT
ANSWER - 10
what is INTRERmolecular forces - CORRECT ANSWER - occur between two or more
molecules
, what is INTRAmolecular forces - CORRECT ANSWER - also known as bonds form
occur within a single molecule
what type of change does an INTERmolecular force have - CORRECT ANSWER -
physical change
what type of change does an INTRAmolecular force have - CORRECT ANSWER -
chemical change
which is stronger INTERmolecular forces or INTRAmolecular forces - CORRECT
ANSWER - INTRAmolecular forces are stroner
what two types of broad categories of forces did we learn about - CORRECT ANSWER -
INTERmolecular and INTERMOLECULAR forces
three IMFS(intermolecular forces) - CORRECT ANSWER - 1) hydrogen
2) dipole-dipole
3) LDFS
when we observed the light spectrums which one was the greatest least and the middle -
CORRECT ANSWER - UV(greatest) IR(middle) micro(least
what happen to the NO₂ molecule exposed to micro light - CORRECT ANSWER - turns
(spins)
what happens to the NO₂ molecule exposed to IR light - CORRECT ANSWER - it
bounces (vibrates)