I don’t know what exactly is but see at the picture.
Answer:
The density of acetic acid at 30°C = 1.0354_g/mL
Explanation:
specific gravity of acetic acid = (Density of acetic acid at 30°C) ÷ (Density of water at 30°C)
Therefore, the density of acetic acid at 30°C = (Density of water at 30°C) × (Specific gravity of acetic acid at 30°C)
= 0.9956 g/mL × 1.040
= 1.0354_g/mL
Specific gravity, which is also known as relative density, is the ratio of the density of a substance to the density of a specified standard substance.
Generally the standard substance of to which other solid and liquid substances are compared is water which has a density of 1.0 kg per litre or 62.4 pounds/cubic foot at 4 °C (39.2 °F) while gases are normally compared with dry air, with a density of 1.29 grams/litre or 1.29 ounces/cubic foot under standard conditions of a temperature of 0 °C and one standard atmospheric pressure
Answer:
Water and Aluminium oxide
Explanation:
Have a nice day.
When iron rusts and forms iron oxide, the iron oxide has more mass than the iron because the iron atoms in iron oxide have more mass than pure iron.
Pure iron contains only iron atoms and nothing else. It is a pure substance.
Iron has an atomic mass of 56 while oxygen has an atomic mass of 16. It follows that iron has a greater mass than oxygen.
However, in iron oxide, iron combines with oxygen to form Fe2O3. There are two iron atoms and three oxygen atoms in Fe2O3.
Three oxygen atoms have a total mass of 48g while two iron atoms has a total mass of 112g.
It the follows that, when iron rusts and forms iron oxide, the iron oxide has more mass than the iron because the iron atoms in iron oxide have more mass than pure iron.
Learn more: brainly.com/question/24645617
Answer:
2 atoms of nitrogen are present.