Question
updated 1 year ago
Category:
Chemistry
Suggest a way to determine if the colorless liquid in a beaker is water. How could you discover if there is salt dissolved in the water?
Coursepivot August 22, 2022
Explanation Boiling point is the temperature where the vapor pressure of a liquid becomes equal to the pressure surrounding the liquid and the liquid changes into vapor. The process in (View full solution)
updated 1 year ago
Category:
Chemistry
Four balloons are each filled with a different gas, each having a different density: helium, d=0.164\mathrm{g}∕\mathrm{L}d=0.164g∕L neon, d=0.825\mathrm{g}∕\mathrm{L}d=0.825g∕L argon, d=1.633\mathrm{g}∕\mathrm{L}d=1.633g∕L krypton, d=4.425\mathrm{g}∕\mathrm{L}d=4.425g∕L If the density of dry air is ...
Coursepivot August 22, 2022
Explanation Mass per unit volume of any object is termed as density. So density measures the heaviness of substance compared to its size. Write the conditions for a substance to (View full solution)
updated 1 year ago
Category:
Chemistry
What is the mass number of an iron atom with 30 neutrons?
Coursepivot August 22, 2022
Here is the step-by-step explanation, verified by an educator: Step 1 of 2 Atomic number: Number of protons contained in a neutral atom. It is indicated by Z. Mass number: (View full solution)
updated 1 year ago
Category:
Chemistry
The geometry of carbon in diamond is tetrahedral, while carbon's geometry in graphite is trigonal planar. What is the geometry of the carbons in C_{60} ?C60? 1. They are all tetrahedral. 2. They are all trigonal planar. 3. They are all pyramidal with bond angles near 109.5^{\circ}109.5∘ 4. They are...
Coursepivot August 22, 2022
Here is the full solution including the answer and explanation. Explanation 4 is correct Carbon atom forms three sigma and one pie bond with adjacent carbon atom. Thus according to (View full solution)
updated 1 year ago
Category:
Chemistry
Rationalize the following observations. a. Aerosol cans will explode if heated.
Coursepivot December 14, 2022
Explanation To explain the explosion of aerosol can upon heating both Boyle's law and Charles's law are required. Boyle's law states that at constant temperature (T), volume(V) of a gas (View full solution)