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Goshia [24]
3 years ago
9

A blacksmith is in the process of making iron horse shoes. Each shoe, mass of 255.15g, is heated to a bright red (816c), hammere

d into shape, and then dropped into water to cool. If the bucket contains 4L of water (4000g) initially at room temperature (23c) what will the final temperature of the iron be? Specific heat of cast iron: 0.461 J/gC. Specific heat of water: 4.18 J/gC
Chemistry
2 answers:
statuscvo [17]3 years ago
8 0
It b I did the test
ra1l [238]3 years ago
5 0

Answer:

Explain

The Akautski is now assembled

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Elements have similar characteristics?<br> Periodic TaBle<br> oF The Elements
Ann [662]

Answer:

See attachment.

Explanation:

Elements that are in the same group will definitely possess similar characteristics because they tend to have the same valence electron which determines their reactivity.

On a periodic table, elements in the same group can be found arranged on the same column in the periodic table.

Therefore the two elements that have similar characteristics are those two elements you can see on the same column in group 2. See the two elements indicated in the attachment below.

3 0
3 years ago
An atom has the following electron configuration.
Wewaii [24]

Answer: 5

Explanation: add up all the electrons and it will amount to 23. Arranging by the old model for electronic configuration, we have : 2, 8, 8, 5

The last number being 5 represent its valence electron

3 0
3 years ago
Read 2 more answers
811.68 J of energy are used on a 95g chunk of unknown metal. Calculate the resulting temperature change if the specific heat of
Ivan

Answer:

16 °C

Explanation:

Step 1: Given data

  • Provided heat (Q): 811.68 J
  • Mass of the metal (m): 95 g
  • Specific heat capacity of the metal (c): 0.534 J/g.°C

Step 2: Calculate the temperature change (ΔT) experienced by the metal

We will use the following expression.

Q = c × m × ΔT

ΔT = Q/c × m

ΔT = 811.68 J/(0.534 J/g.°C) × 95 g = 16 °C

6 0
3 years ago
What are parts of the nervous system
Vlad1618 [11]

Answer:

the brain and the spinal cord are the two main parts.

6 0
3 years ago
How to find change in enthalpy
arlik [135]
∆H = m x s x ∆T, where m is the mass of the reactants, s is the specific heat of the product, and ∆T is the change in temperature from the reaction.
5 0
3 years ago
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