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Reptile [31]
3 years ago
7

If a metal has a low specific heat then the metal could make an excellent material for cookware because?

Chemistry
1 answer:
Digiron [165]3 years ago
7 0

Answer:

It will get hotter more quickly.

Explanation:

Specific Heat Capacity is the energy needed to raise 1kg of a substance by 1K. If the SHC is lower, then less energy is required to raise the same amount of a substance by 1K - so less energy is needed to put in (via the hob) to heat the pan.

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Three isotopes of argon occur in nature – 36 18Ar, 38 18Ar, 40 18Ar. Calculate the average atomic mass of argon to two decimal p
likoan [24]

Answer: 3) 39.96 amu

Explanation:

Mass of isotope Ar- 36 = 35.97 amu

% abundance of isotope Ar- 36= 0.337% = \frac{0.337}{100}=3.37\times 10^{-3}

Mass of isotope Ar- 38 = 37.96 amu

% abundance of isotope 2 = 0.063 % = \frac{0.063}{100}=6.3\times 10^{-4}

Mass of isotope Ar- 40 = 39.96 amu

% abundance of isotope 2 = 99.600 % = \frac{99.600}{100}=0.996

Formula used for average atomic mass of an element :

\text{ Average atomic mass of an element}=\sum(\text{atomic mass of an isotopes}\times {{\text { fractional abundance}})

A=\sum[(35.97\times 3.37\times 10^{-3})+(37.96\times 6.3\times 10^{-4})+(39.96\times 0.996)]

A=39.96amu

Therefore, the average atomic mass of argon is 39.96 amu

4 0
3 years ago
Sodium oxide reacts with water to make sodium hydroxide.
Vlada [557]

Answer:

So the total mass is 50 plus 150 grams the heat capacity 4.18 joules per gram per degree C. And the temperature change is 36 minus 25 and so we can calculate Delta H for the reaction that takes place.

Explanation:

3 0
2 years ago
Which of the following causes a chemical change?
ycow [4]
Distinguish the difference between physical change or chemical change.

Should be C.
6 0
3 years ago
What are Electrons and how do they move?
Leto [7]

Answer:

it is the primary electricity in solid. they also make up an atom.

Explanation:

i hope this helps. please make brainiest

8 0
2 years ago
Read 2 more answers
Find a mole of 0.0960 g of H2SO4
nignag [31]
Molar mass H₂SO₄ = 98.079 g/mol

1 mol -------- 98.079 g
? mole ------ 0.0960 g

moles = 0.0960 * 1 / 98.079

= 0.0960 / 98.079

= 9.788 x 10⁻⁴ moles

hope this helps!
3 0
3 years ago
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