Answer:
4687.5 mL
Explanation:
Given that the density of the substance = 8.96 g/mL
Mass = 42.0 kg
The conversion of kg into g is shown below as:
1 kg = 1000 g
So, mass = 42.0 × 1000 g = 42000 g
Volume = ?
So, volume:
The volume of the 42.0 kg of the substance = 4687.5 mL
Answer:
partial negative is O(oxygen) and partial positive is (H) Hydrogens
Explanation:
Because the molecule has covalent bonds, all charges are partial.
Partial negative is O(oxygen) and partial positive is (H) Hydrogens.
Answer:
it's 4 or fish and I think
Answer:
C. Potassium-19
.
Explanation:
Hello!
In this case, since isotopes are known be atoms of the same element with equal atomic number but different mass number, we can consider the case of carbon which has two natural occurring ones, carbon-12 and carbon-13 whereas carbon-12 has the greatest abundance. However, isotope notation may take two forms:
1. Symbol of the element followed by a dash indicating the mass number of the isotope, for instance: C-12, K-39, and so on.
2. Name of the element followed by a dash indicating the mass number of the isotope, for instance: Carbon-12, Potassium-39, and so on.
In such a way, the improper isotope notation is C. Potassium-19
, considering that A should be K-39 because atomic symbol of potassium is K, not k.
Best regards!
Empirical formula is the simplified version of molecular formula.
ex:
C6H12O6 - molecular formula
CH2O. - empirical formula