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erastovalidia [21]
3 years ago
11

a hockey player has the puck in the corner of the rink. an opposing player muscles him aside and emerges with the puck. this sit

uation is most analogous to which kind of reaction?
Chemistry
2 answers:
nata0808 [166]3 years ago
5 0
Hm, probably single displacement.
valentinak56 [21]3 years ago
3 0

Answer: Single displacement

Explanation:

A single replacement reaction is one in which a more reactive element displaces a less reactive element from its salt solution. Thus one element should be different from another element.

A general single displacement reaction can be represented as :

A+BC\rightarrow AC+B

Thus if A is more reactive than b, then A can displace B from its position and can combine with C to give AC and B.

Given:A hockey player has the puck in the corner of the rink. An opposing player muscles him aside and emerges with the puck. Thus it is similar to single displacement reaction.

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Calculate the molar mass of a gas if an 8.06×10(to the power of -2) gram sample of it occupies .0650 L at 547°C and 70.5 kPa​
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Answer:

                     M.Mass = 120 g/mol

Explanation:

Data Given:

                  Volume = V = 0.0650 L

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Formula Used:

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Solving for n,

                                   n = P V / R T

Putting Values,

    n = (0.695 atm × 0.0650 L) ÷ (0.082057 L.atm.mol⁻¹.K⁻¹ × 820.15 K)

    n = 6.71 × 10⁻⁴ moles

Now, Knowing that,

                                  Moles  =  Mass / M.Mass

Or,

                                  M.Mass = Mass / Moles

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