the universe formed through the big bang explosion, all of the elements on Earth have been cooked for billions of years in stars and then released in the universe through super- nova explosions.
Answer:
Plan your schedule: Now, as you know your weak areas, your agenda should be to give extra time to tackle those difficult lessons and transform them to strong ones.
Note-making is an effective method:
Solve previous years' question papers:
Understand the concepts while studying:
Group study can help
1 – Time Management – Daily Routine.
2 – Having Good Food and Drinking More Water Will Help.
3 – Doing Meditation For 30 Min Per Will Increase Memory Power by 20%
4 – Take A Nap & Sleep Well.
5 – Challenge Yourself.
6 – Find Your Weakness.
Answer:
The ground state represents the lowest-energy state of the atom.
Explanation:
sd
Answer: B
Explanation:
Water is called the "universal solvent" because it dissolves more substances than any other liquid.
Answer:
Explanation:
3.
Knowns: 100mL of solution; concentration of 0.7M
Unknown: number of moles
Equation: number of moles = volume * concentration
Plug and Chug: number of moles = 100/1000 * 0.7 = 0.07 mole
Final Answer: 0.07mole
2.
Knowns: 5.50L of solution; concentration of 0.400M
Unknown: number of moles
Equation: number of moles = volume * concentration
Plug and Chug: number of moles = 5.5 * 0.4 = 2.20 mole
Final Answer: 2.20 mole
