Answer:
6 atoms since it says (6o2 and 6co2) notice how there's a 6 before the o2 and co2 ? (oxygen and carbon dioxide ?)
Answer:
Fire
Explanation:
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Answer:
Hey mate.....
Explanation:
This is your answer,
Living things differ from non living things through motion, action, expression, way of living and etc......
Livings things:-
1. Livings things means something that keeps on moving or doing any particular work.
2. Livings things mostly consume, remove, and reproduce through different ways.
3. Examples of livings things are humans, animals, birds, reptiles, and even the germs like bacteria, fungi, ameoba and etc....
Non Livings things:-
1. Non Living things means something that just stays like a statue usually and never move or do a particular work.
2. Non living things do not consume, remove or reproduce anything.
3. Examples of non living things are table, chair, fan, house, book etc....
hope it helps you mate....
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Answer:
Freezing T° of solution = - 4.52°C
Explanation:
ΔT = Kf . m . i
That's the formula for colligative property about freezing point depression.
Li₂O is an oxide that can not be dissociated but, if we see it's a ionic compound.
Li₂O → 2Li⁺ + O⁻²
3 moles of ions have been formed. Ions dissolved in solution are i, what we call Van't Hoff factor.
m is molality → 0.811 m, this is data
Kf →Cryoscopic constant, for water is 1.86 °C/m
and ΔT = Freezing T° of pure solvent - Freezing T° of solution
We replace: 0°C - Freezing T° of solution = 1.86°C/m . 0.811 m . 3
Freezing T° of solution = - 4.52°C
Answer:
Wind energy
An ideal source of energy needs to be reliable, cost effective, safe and must lead to almost zero adverse environmental impact.
Wind energy is energy obtained from air moving at high velocity. This energy is harvested using windmills which convert mechanical energy to electrical energy.
Wind is inexpensive because it occurs naturally. However, a large expanse of land is required in order to mount sufficient number of windmills that will generate enough electrical energy for practical purposes.
This method of electricity generation is safe and does not lead to any environmental hazard unlike the burning of fossil fuels, use of nuclear energy or loss of habitat due to hydroelectric power generation.
Explanation:
