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kirza4 [7]
4 years ago
8

How to solve this problem

Chemistry
1 answer:
Alinara [238K]4 years ago
3 0
The answer is B. The answer is B. Please pick me as brainlest.
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On the periodic table, the majority of elements are classified as
Roman55 [17]
<span>On the periodic table, the majority of elements are classified as "Metals"

In short, Your Answer would be Option A

Hope this helps!</span>
8 0
3 years ago
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A reaction that occurs in the internal combustion engine is N₂(g) + O₂(g) ⇄ 2NO(g) (d) At what temperature (in K) does the react
S_A_V [24]

The reaction is spontaneous at a temperature of 7281.4 K

As the value of temperature rises, it is decreasing in accordance with the value of ΔG°, according to the value ofΔG° calculated. The value shifts from being more positive to being less positive. It ΔG°at a certain temperature.

It would appear that the value of would be negative, causing the reaction to occur on its own.

The calculation shown below can be used to determine the temperature at which the reaction starts spontaneously.

ΔG°= ΔH°-TΔS°

ΔG° now equals zero.

0 = 180.58 - T 24.8(1/1000)

T= 180.58/0.0248 K

T=7281.4 K

therefore, the reaction is spontaneous at a temperature of 7281.4 K

Learn more about ΔG° here:

brainly.com/question/17214066

#SPJ4

5 0
2 years ago
Which apparent motion can be explained by a geocentric model ?
baherus [9]

Answer:

The sun's path through the sky ( i hope this helps)

7 0
3 years ago
Intravenous, or IV, solutions used in medicine must exert the same osmotic pressure as blood to prevent a net flow of water into
ikadub [295]

Answer:

7.055 atm

Explanation:

T = (273 + 37)K = <em>310K</em>

The ideal gas constant =<em> 0.0821</em>atm.L/mol.K

Concentration = (0.90g)*(1mol/58.4g/0.100mL) = 0.154mol/L

Molar mass= Concentration*i

Osmotic pressure = Molar mass *the ideal gas constant*T

OP = (0.154)*(1.8)*(0.0821)*(310) = 7.055 atm

7 0
3 years ago
For a sample of stomach acid that is 2.02×10−2 M in HCl, how many moles of HCl are in 14.6 mL of the stomach acid?
GaryK [48]

Answer:

0.0002949 moles

Explanation:

Concentration = 2.02×10−2 M

Volume = 14.6 mL = 0.0146 L (Upon converting to litres)

Number of moles = ?

These variables are related by the fllowing equation;

Concentration = Number of moles / Volume

Number of moles = Concentration * Volume

Number of moles = 2.02×10−2 * 0.0146 = 0.0002949 moles

8 0
3 years ago
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