The number of shells increase, the energy level their outer shell have decreases as we go down wards,
Answer: Increases ; decreases
Explanation: The more ionized the solution is the acidic it becomes, and the more acidic a solution is; the lower the pH value.
Therefore, when an acid ionizes in water, the number of hydronium ions in the solution increases and the value of the pH decreases.
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C. both sources of energy rely on water.
Explanation:
Hydroelectricity and tidal energy are similar energy sources because they both rely on water.
They harness the power of moving water to produce their energy.
- Tidal energy is the energy derived from moving water as crashing waves in an ocean.
- Hydroelectricity is produce when water from a dam channel is used to drive heavy turbines.
- They are both renewable energy sources.
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Answer:
d. All of the above three answers are correct
Explanation:
Atoms are themselves built up from many smaller particles. According to Rutherford's nuclear theory (1906), the neutron and proton make up the nucleus of the atom. Atoms are electrically neutral because they contain the same number of electrons and protons. The size of atoms is about 
meters. The fundamental particle of the atom is the electron.
0.34 moles of gas would be contained in a 11.2 L container that is at a pressure of 0.75 atm and 300 K.
<h3>HOW TO CALCULATE NUMBER OF MOLES?</h3>
The number of moles of a substance can be calculated using the following expression:
PV = nRT
Where;
- p = pressure (atm)
- v = volume (L)
- n = number of moles
- R = gas law constant
- T = temperature
0.75 × 11.2 = n × 0.0821 × 300
8.4 = 24.63n
n = 8.4 ÷ 24.63
n = 0.34 moles
Therefore, 0.34 moles of gas would be contained in a 11.2 L container that is at a pressure of 0.75 atm and 300 K.
Learn more about number of moles at: brainly.com/question/1190311
