When the same amount of heat is added to cold sand and cold water, the temperature change of sand will be higher because of its lower specific heat capacity.
<h3>What is specific heat capacity?</h3>
Specific heat capacity is the quantity of heat required to raise a unit mass of a substance by 1 kelvin.
<h3>Specific heat capacity of water and sand</h3>
Water, c = 4,200 J/kg⁰C
Sand, c = 830 J/kg⁰C
Q = mcΔθ
where;
- Δθ is temperature change
- Q is quantity of heat added
Δθ = Q/mc
Thus, for an equal mass of water and sand, when the same amount of heat is added to cold sand and cold water, the temperature change of sand will be higher because of its lower specific heat capacity.
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No
Explanation:
A small rock falling from a cliff is an example of physical weathering. The process breaks the rock mass into small chips of rocks.
- Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.
- In physical or mechanical weathering, lumps of rocks are broken down into small sizes.
Some of the process involves:
- Pressure release on a rock
- Freezing and thawing
In chemical weathering, a rock undergoes chemical reactions and it becomes weak in the process.
Some of the process involves:
- oxidation
- hydrolysis
- carbonation
Learn more:
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Answer:
They form crystals, they have really high boiling points, They have higher enthalpies of fusion and vaporize than an molecular compound, the are brittle
Explanation:
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1: Mercury - Hg
2: Silver - Ag
3: Gold - Au
4. Aluminium - Al
5: Iron - Fe
6: Helium - He
7: Calcium - Ca
8: Magnesium - Mg
9: Nickel - No