The first answer is C, condensation is a physical process and the others are chemical.
The second answer is B, it doesn't change depending on location (the answer you chose)
The third answer is A.
The fourth answer is B. Temperature is an intensive property.
No explanations for the ones you got correct.
Answer:
No.D is the molecules that has trigonal pyramidal sape
There are 12 Hydrogens (H) and 12 Oxygens (O) and 6 molecules of Hydrogen Peroxide (H2O2) reacted
Answer:
The first ionization energy for K is less than Ca because Ca has a larger effective nuclear charge.
Answer:
2Na+F2 yields 2NaF is balanced.
Explanation:
There are 2 sodium and 2 fluorine in both reactants and product: In 2NaF the 2 is distributed because it is in the beginning of the compound.