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kolbaska11 [484]
3 years ago
5

This figure (Figure 1)shows a container that is sealed at the top

Chemistry
1 answer:
guajiro [1.7K]3 years ago
7 0
I'm pretty sure the answer is 0.833 atm.

Hope I helped! <3

-cara
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Calculate the heat change involved when 2.00 L of water is heated from 20.0/C to 99.7/C in
IgorC [24]

Answer:

669.48 kJ

Explanation:

According to the question, we are required to determine the heat change involved.

We know that, heat change is given by the formula;

Heat change = Mass × change in temperature × Specific heat

In this case;

Change in temperature = Final temp - initial temp

                                       = 99.7°C - 20°C

                                       = 79.7° C

Mass of water is 2000 g ( 2000 mL × 1 g/mL)

Specific heat of water is 4.2 J/g°C

Therefore;

Heat change = 2000 g × 79.7 °C × 4.2 J/g°C

                      = 669,480 joules

But, 1 kJ = 1000 J

Therefore, heat change is 669.48 kJ

7 0
3 years ago
El gas dióxido de carbono ocupa un volumen de 10, 5 litros a 20°C ¿Cuál será el volumen que ocupará el gas si la temperatura Cel
Elan Coil [88]

Answer:

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6 0
2 years ago
Please Define what an “atom” is
Lostsunrise [7]

Answer:

the smallest particle of a chemical element that can exist.

Explanation:

3 0
3 years ago
What is the correct balanced equation for the reaction of sodium with water?
Wittaler [7]

Answer:

 A.    2Na       +    2H₂O   →    2NaOH   +  H₂  

Explanation:

When sodium is reacted with water, a single replacement reaction occurs. The product of the reaction is typically sodium hydroxide and hydrogen gas.

Reactants:

        Sodium +  water

Product:

        Sodium hydroxide + hydrogen gas

So;

         2Na       +    2H₂O   →    2NaOH   +  H₂  

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2 years ago
Is liquid ammonia a household acid?​
alexgriva [62]

Yes it is an cleaning product

8 0
2 years ago
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