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Tatiana [17]
3 years ago
10

Convert the pressure 0.8 atm to kPa.

Chemistry
2 answers:
erica [24]3 years ago
7 0
Don’t mind me just trying to get some points
Ludmilka [50]3 years ago
3 0

Answer:

81.0

Explanation:

mutiply the value by 101.325 to get the answer a. 81.1

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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
Which element in group 2 (Alkaline Earth Metals) is the most reactive?
never [62]

Answer:

the reactivity of alkaline earth metals increases from top to the bottom of the group, that's because the atoms get bigger from the top to the bottom so the valence electrons are farther from the nucleus.

8 0
2 years ago
HNO3 is an Arrhenius ______________ and increases the concentration of __________ when added to water.
creativ13 [48]
1. Acid , H+ ion
2. Base , OH- ion
3. Base , OH- ion
4. Acid , H+ ion
7 0
3 years ago
Fossil originally has 254 g of carbon-14 but currently has 127 g of carbon-14 the fossil is most likely
KATRIN_1 [288]

Answer:

The answer to your question is: letter C) 5730

Explanation:

Data

Originally Carbon - 14   254 g

Currently Carbon - 14   127 g

Half-life of Carbon -14 is when half of the original amount of Carbon disintegrates.

Then, if originally there were 254 and now there are 127, only one half life passed.

Half life of carbon -14 is 5730 years old.

8 0
3 years ago
How many triple points are in the phase diagram below:
solong [7]

Answer: There are 3 triple points in the given phase diagram.

Explanation: Triple point is defined as the point at which the temperature and pressure of the 3 phases are in equilibrium with each other.

In the given phase diagram, there are three points which is satisfying this definition.

Point A: At this point The monoclinic form and rhombic form have the same vapor pressure. Hence,

Rhombic(s) \rightleftharpoons Monoclinic(s) \rightleftharpoons Vapor(g)

Point B: At this point, the monoclinic form starts to melt. Hence,

Rhombic(s) \rightleftharpoons Liquid(l) \rightleftharpoons Vapor(g)

Point C: At this point, the rhombic form, monolinic form and liquid is in equilibrium. Hence,

Rhombic(s) \rightleftharpoons Monoclinic(s) \rightleftharpoons Liquid(l)

Hence, this system has 3 triple points.

5 0
3 years ago
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