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Sever21 [200]
3 years ago
12

A piece of unknown metal with mass 68.6 g is heated to an initial temperature of 100 °C and dropped into 84 g of water (with an

initial temperature of 20 °C) in a calorimeter. The final temperature of the system is 52.1°C. The specific heat of water is 4.184 J/g*⁰C. What is the specific heat of the metal? questions below A) 0.171 B) 0.343 C) 1.717 D) 3.433
Chemistry
1 answer:
V125BC [204]3 years ago
8 0

want to talk

Explanation:

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4 years ago
What is the volume of a gas at 253K if the gas occupies 50.0 mL at a temp of 273K? Provided
aivan3 [116]

Answer:

V₂ = 46.34 mL

Explanation:

Given data:

Initial temperature = 273 K

Initial volume = 50.0 mL

Final temperature = 253 K

Final volume = ?

Solution:

The given problem will be solve through the Charles Law.

Charles Law

"The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure"

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

by putting values in formula,

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

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V₂ = 12650 mL.K / 273 K

V₂ = 46.34mL

7 0
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