What is Hund’s Rule?

Answers

Answer 1

Answer: every orbital in a subshell is singly occupied with one electron before anyone orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.

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Which of the following energy changes occurs as a bow is drawn and released?1. gravitational potential to chemical potential
2. magnetic potential to kinetic
3. elastic potential to kinetic
4. kinetic to thermal

Answers

Answer: The correct answer is 3.

Explanation: As the bow is drawn and released, it will experience a change in elastic potential energy to kinetic energy.

Elastic potential energy is defined as the amount of potential energy which is stored as a result of the deformation of the object which has some elasticity in it. For Example: Stretching of a spring, Drawing of a bow, etc..

Kinetic energy is the energy of the object which is possessed as a result of its motion.

When the bow is drawn, it first had some elastic potential energy and when it is released it had some kinetic energy in it.

Conclusion: The correct answer is 3.

3. elastic potential to kinetic
Mechanical energy is the top suject while it has two types: Kinetic energy which is the energy in motion and potential energy which is the energy in reserve. The measure of both energy in motion and reserve is called Joules. Joules then is the International System of Measurement unit for energy, this is mainly used to account for scaling energy in all aspects.

Which substance is use to increase the rate of catalyst?

Answers

Answer:

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. ... Enzymes are proteins that act as catalysts in biochemical reactions. Common types of catalysts include enzymes, acid-base catalysts, and heterogeneous (or surface) catalysts.

Which of the following categories of small bodies in the solar system does Ceres belong to? A. Dwarf planets
B. Comets
C. Meteoroids
D. Planets

Answers

Ceres is a dwarf planet, so A.

Which of the following is an example of anaerobic respiration? Plant roots respiring in soil
Respiring while swimming underwater
Oxygen diffusing into a plant cell through stomata
Breaking down of glucose with oxygen inside an animal cell

Answers

your answer is D have a good day

Answer:

Explanation:

think about it its d i did the test and the answer was right!

Match the element to its oxidation number.
Sulfur

Answers

Answer:+6

Explanation:

Which of the following is a element water,oxygen, carbon dioxide ammonia

Answers

If you look on the periodic table, you'll find that oxygen is an element. You can also find out by looking up how each formula is written. Oxygen - O | Carbon Dioxide - CO2 | Water - H2O | Ammonia - NH3. An element has only one capital letter. Oxygen is the only one which falls under that category.

Answer:oxygen

Explanation:

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