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ladessa [460]
2 years ago
8

BaCl2 (aq) + AgNO3 (aq) →

Chemistry
2 answers:
sweet [91]2 years ago
8 0

Answer:

BaCl2 + 2AgNO3 —> 2AgCl + Ba(NO3)2

Explanation:

dlinn [17]2 years ago
3 0

Answer:

A white precipitate is formed

Explanation:

So I ain't do in nothing.

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A 36.0−g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 70.0 g of water at 24.0°C.
Dimas [21]

Answer: 0.52849 j /g °C

Explanation:

Given the following :

Mass of metal = 36g

Δ Temperature of metal = (28.4 - 99)°C = - 70.6°C

Mass of water = 70g

Δ in temperature of water = (28.4 - 24.0) = 4.4°C

Heat lost by metal = (heat gained by water + heat gained by calorimeter)

Quantity of heat(q) = mcΔT

Where; m = mass of object ; c = specific heat capacity of object

Heat lost by metal:

- (36 × c × - 70.6) = 2541.6c - - - - (1)

Heta gained by water and calorimeter :

(70 × 4.184 × 4.4) + (12.4 × 4.4) = 1288.672 + 54.56 = 1343.232 - - - - (2)

Equating (1) and (2)

2541.6c = 1343.232

c = 1343.232 / 2541.6

c = 0.52849 j /g °C

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3 years ago
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sp2606 [1]

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What is the independent, dependent, and controlled variable?
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Which of the following statements about enthalpy is true?
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