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Marysya12 [62]
3 years ago
13

There are two open cans of soda on the table one can was just take it on the refrigerator and the other was taken from the cup b

oard upon opening the cans which one loses carbon dioxide more quickly and why
Chemistry
2 answers:
agasfer [191]3 years ago
8 0

The one from the cupboard because it is warmer (has more thermal energy) than the one from the refrigerator. When a liquid becomes warmer, the solubility of a gas becomes lower. Therefore, there is already more CO2 in its gaseous state when the soda is warm.


qaws [65]3 years ago
7 0
The water inside of the soda turns to ice and the CO2 is pushed out causing a rapid realese of pressure when the van is opened. The same thing happens when you leave a soda can in your car in the winter except when left to lang the van may explode by of too much build up
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The deepest trench in the world is 11,000 m in depth. Assuming sea water to have a constant density of 1050 kg/m, determine the
Vanyuwa [196]

Answer:

113406825 N/m²

Explanation:

The pressure at depth of 11,000 m can be calculated by:

Pressure = Atmospheric pressure + Pressure  due to height

Atmospheric pressure = 101325 N/m²

Also,  

P_{height}=\rho\times g\times h

Where,  

\rho is the density of water (\rho=1050\ kg/m^3)

g is the gravitational acceleration = 9.81 m/s²

h = 11,000 m

P_{height}=1050\ kg/m^3\times 9.81\ m/s^2\times 11000\ m

Pressure  due to height = 113305500 N/m²

<u>Pressure = Atmospheric pressure + Pressure  due to height = 101325 N/m² + 113305500 N/m² = 113406825 N/m²</u>

5 0
3 years ago
Read 2 more answers
Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO 3 (s) PbO (s) CO 2 (g) ________ grams of lead (I
blsea [12.9K]

Answer:

We will have 7.30 grams lead(II) oxide

Explanation:

Step 1: Data given

Mass of lead (II)carbonate = 8.75 grams

Molar mass PbCO3 = 267.21 g/mol

Step 2: The balanced equation

PbCO3 (s) ⇆ PbO(s) + CO2(g)

Step 3: Calculate moles PbCO3

Moles PbCO3 = mass / molar mass

Moles PbCO3 = 8.75 grams / 267.21 g/mol

Moles PbCO3 = 0.0327 moles

Step 4: Calculate moles PbO

For 1 mol PbCO3 we'll have 1 mol PbO and 1 mol CO2

For 0.0327 moles PbCO3 we'll have 0.0327 moles PbO

Step 5: Calculate mass PbO

Mass PbO = moles PbO * molar mass PbO

Mass PbO = 0.0327 moles * 223.2 g/mol

Mass PbO = 7.30 grams

We will have 7.30 grams lead(II) oxide

7 0
4 years ago
I need help on this.
mina [271]
The answer would for sure be D
6 0
3 years ago
the mass number of a chronium atom is 52 and it has 24 protons. how many neutrons does this atom have?
arlik [135]
Hello,

The answer is "28 neutrons".

Reason:

The element Chromium has:

Protons:24
Neutrons:28
Electrons:24

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit 


4 0
3 years ago
Why is universal indicator not used in titration
alukav5142 [94]
Universal indicators are unsuitable for indicators because it has a range of colors. 
 
basically, it changes from pink in alkali to colorless  acid.
4 0
3 years ago
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