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Zigmanuir [339]
3 years ago
10

Suppose you had four spoons the same size and shape made out of glass, plastic, steel, and wood. Which spoon handle would get ho

t the quickest when the spoons are placed in a pan of hot water?
Question 14 options:

A. steel spoon


B. plastic spoon


C. wood spoon


D. glass spoon
Chemistry
1 answer:
Burka [1]3 years ago
4 0

Answer:

A. steel spoon

Explanation:

A steel spoon will get hot the quickest from the different given spoon. This is because steel is predominantly made up of a metal which shows metallic properties such as heat conduction.

  • Metals have low specific heat capacity which is the amount of head needed to raise 1g of a substance by 1°C.
  • By so doing, metals will conduct heat at a very fast rate.
  • The delocalized electron around the central nucleus plays very important role.

Other properties originating from metallic bonds are ductility, malleability, luster etc.  

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Which one of the following statements is correct?
adell [148]

Answer:

Tissues form organs, and organs form systems. Hope this helped!

Explanation:

7 0
3 years ago
A compound has the empirical formula CH and a molar mass of 78.11 g/mol . Find its molecular formula.
Reil [10]

Answer:

Molecular Formula = C6H6

Explanation:

Empirical Formular = CH

Molar Mass = 78.11

Molecular Formular = ?

The Formular relating these parameters is given as;

(Empirical Formula)n = Molecular Formular

where n = Number of moles

CH = 12.0107 + 1.00784 = 13.01854

(13.01854)n = 78.11

n = 78.11 / 13.01854

n = 5.9999 ≈ 6

Molecular Formula = C6H6

7 0
3 years ago
Read 2 more answers
Would you expect the substance to float or sink in water if mass is 25g and volume is 7 cm​
Sonbull [250]

Answer:

Sink

Explanation:

For a substance to float in water, it must be less dense than water. The density of water is 1 g/cm^3. To find the density of the substance, we can do mass/volume, which in this case is 25g/7cm^3. We see that 25/7 > 1, so the substance would sink.

4 0
2 years ago
3. Calculate the number of nickel atoms in a 5-cent coin of mass 0.942g if it was made of an alloy consisting of 75% copper and
arlik [135]

Answer:

2.41x10²¹ atoms

Explanation:

mass of nickel that are present in the coin can be determined Using ( 25% nickel) with j mass of coin= 0.942g )

mass of nickel = (0.942g) × (25/100)

= 0.2355g of Nickel

We need to convert this " gram" into " moles"

Mole= mass/ molar mass

Molar mass= 58.69 g/mol

0.2355 g) / (58.69 g/mol)

= 0.004 mol

We need to convert the moles to

number of atoms.

Avogadro's number= 6.023x10²³ atoms/mol

(0.004 × 6.023x10²³ atoms/mol)

=2.41x10²¹ atoms

3 0
3 years ago
25 points awarded to best answer, keep in mind it is a CER
nataly862011 [7]

Answer:

only god knows

Explanation:

6 0
3 years ago
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