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SCORPION-xisa [38]
4 years ago
6

Hydrogen reacts with an element to form a compound. Which element would have the most electrons available to react with hydrogen

?
a. oxygen
b. chlorine
c. neon
d. nitrogen
Chemistry
2 answers:
bearhunter [10]4 years ago
7 0
It would be chlorine because chlorine has 7 valance electrons
Svet_ta [14]4 years ago
5 0

the answer is chlorine or B

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Solutions of hydrogen in palladium may be formed by exposing Pd metal to H gas. The concentration of hydrogen in the palladium d
Juliette [100K]

Explanation:

Mass of solution , m= 0.94 g + 215 g = 215.94 g

Volume of the solution = V

Density of solution = d = 10.8 g/cm^3

V=\frac{m}{d}=\frac{215.94 g}{10.8 g/cm^3}=19.99 cm^3=19.99 mL

1 cm^3=1 mL

1 mL=0.001 L

V=0.01999 L

Moles of hydrogen = \frac{0.94 g}{2 g/mol}=0.47 mol

Molarity of hydrogen gas:

Molarity=\frac{Moles}{\text{Volume of solution (L)}}

=\frac{0.47 mol}{0.01999 L}=0.02351 mol/L

Molality of hydrogen gas :

Mass of solvent or here it is palladium = 215 g =0.215 kg (1 g = 0.001 kg)

Molality=\frac{Moles}{\text{Mass of solvent(kg)}}

=\frac{0.47}{0.215 kg}=2.1860 mol/kg

Mass percentage of hydrogen is solution :

\frac{\text{Mass of hydrogen}}{\text{Mass of solution}}\times 100

=\frac{0.94 g}{215.94 g}\times 100=0.435\%

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4 years ago
What was rutherfords contribution to the structure of an atom
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3 years ago
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Nina ran into a rough patch of pavement, but she thought she could ride right over it. Instead, the skateboard stopped suddenly
kramer

Answer:

The rough pavement acted as an unbalanced force that was able to stop the skateboard.

Explanation:

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4 years ago
What is the volume of 9.5 g fluorine gas, F2, at STP?
Tju [1.3M]

Answer:

5.6L

Explanation:

At STP, the pressure and temperature of an ideal gas is

P = 1 atm

T = 273.15k

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Mass = 9.5g

From ideal gas equation,

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P = pressure

V = volume

n = number of moles

R = ideal gas constant =0.082J/mol.K

T = temperature of the ideal gas

Number of moles = mass / molar mass

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Number of moles = mass / molar mass

Number of moles = 9.5 / 37.99

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V = (0.25 × 0.082 × 273.15) / 1

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Which element has the larger Zell
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Answer:

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