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Brut [27]
2 years ago
10

A heated metal object measures 120⁰C. It is dropped into a small bucket filled with water that is 10⁰C. Which of the following i

s the most likely to occur
A-Both the water and the metal will adjust to the same temperature below 10⁰C.

B-The water and metal will adjust to different temperatures above 120⁰C.

C-The water will remain the same temperature, but the metal will cool to 10⁰C.

D-The water and metal will adjust to the same temperature between 10⁰C and 120⁰C
Chemistry
1 answer:
VARVARA [1.3K]2 years ago
7 0

Answer:

d

Explanation:

(d the water and metal will adjust to the same temperature between 10 degree c and 120 degree c this temperature will be call equilibrium temperature

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10.0 grams of water are heated during the preparation of a cup of coffee 1.0x 103 j of the heat are added to the water. which is
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<u>Answer:</u> The final temperature of the coffee is 43.9°C

<u>Explanation:</u>

To calculate the final temperature, we use the equation:

q=mC(T_2-T_1)

where,

q = heat released = 1.0\times 10^3J=1000J

m = mass of water = 10.0 grams

C = specific heat capacity of water = 4.184 J/g°C

T_2 = final temperature = ?

T_1 = initial temperature = 20°C

Putting values in above equation, we get:

1000J=10.0g\times 4.184J/g^oC\times (T_2-20)\\\\T_2=43.9^oC

Hence, the final temperature of the coffee is 43.9°C

6 0
3 years ago
Argon gas has a boiling point of -197 °C. Which of the following diagrams best represents the
Paha777 [63]

Answer:

(a)

Explanation:

Hello,

In this case, the temperature required to boil argon, it means, transform it from liquid to gas is -197 °C. In such a way, since the temperature inside the steel sphere is -190 °C, which is greater than the boiling point, we realize argon is gaseous, therefore, the molecules will be spread inside the sphere as they will be moving based on the kinetic theory of gases.

For that reason, answer is scheme (a).

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When wood burns, the mass of the ash is less than the mass of the original wood. Yet the law of conservation of matter says that
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Explanation:

According to the law of the conservation of mass, 'mass is conserved in a chemical reaction. The mass cannot be created nor be destroyed in a chemical process'.

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Answer : Option 4) Region of the most probable electron location.


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Answer:

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Explanation:

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