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Mashutka [201]
3 years ago
8

A reaction that occurs when the reactants are simply put together is

Chemistry
1 answer:
Studentka2010 [4]3 years ago
3 0
Your answer would be a spontaneous reaction. Hope this helps!!
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The Paris Agreement intends to direct money toward limiting climate change and lowering greenhouse gas levels. Which groups are
yan [13]
I think the answer it’s e
7 0
3 years ago
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How many Joules must be removed to condense 150.0g of steam at 100.0 degrees Celsius to water at 100.0 degrees celcius
Elina [12.6K]

Answer:

339kJ

Explanation:

Given parameters:

Mass of steam  = 150g  = 0.15kg

Initial temperature of steam  = 100°C

Final temperature of water  = 100°C  

Unknown:

Quantity of heat that must be removed to condense the steam = ?

Solution:

The heat involved here is a latent heat because there is no change temperature. The process is just a phase change.

  H  = mL

m is the mass

L is the latent heat of vaporization  = 2,260 kJ/kg

Insert the parameters and solve;

 H = 0.15kg x 2,260 kJ/kg

 H  = 339kJ

7 0
3 years ago
4 NH3 + 7 O2 → 4 NO2 + 6 H2O What is the mole ratio between oxygen and nitrogen dioxide? 7 moles to 6 moles 4 moles to 6 moles 7
Mashutka [201]

Answer:

7:4

Explanation:

O2 : NO2

7 : 4

hope this helps :)

8 0
2 years ago
What is the relationship between developed land, population and resource use?
givi [52]

Explanation:

While both developed and developing countries have contributed to global environmental problems, developed countries with 85% percent of the gross world product and 23% of its population account for the largest part of mineral and fossil-fuel consumption, resulting in significant environmental impacts

3 0
2 years ago
Which of the following is NOT soluble in water?
GrogVix [38]
C6H6 is the most insoluble in water as it is non polar in nature. HCL is highly soluble in water as it is an electrolyte. Kbr is also highly soluble in water. NaCl dissolves in water very quickly. CH3CH3OH is also totally soluble in water because of the Hydrogen bonding formation. It is a well known fact that the hydrocarbons do not easily mix with water. C6H6 being a strong hydrocarbon does not mix with water. So among NaCl, KBr, CH3CH3OH, HCl and C6H6, the hydrocarbon is the least soluble in water.


5 0
3 years ago
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