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GREYUIT [131]
4 years ago
6

Reaction rate depends on how many molecules come into contact with each other with enough energy to react. How would you increas

e the number of molecules that come in contact with each other in a reaction between gases?
A.increase volume
B.increase pressure
C.decrease pressure
D.decrease temperature
Physics
1 answer:
Pachacha [2.7K]4 years ago
4 0
A is the answer ugh i suck at physics


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At what temperature the semiconductor behaves like conductor?​
hammer [34]

Answer:

A semiconductor acts like an ideal insulator at absolute zero temperature that is at zero kelvin. It is because the free electrons in the valence band of semiconductors will not carry enough thermal energy to overcome the forbidden energy gap at absolute zero.

5 0
3 years ago
Neon has 10 electrons; two in the inner level and 8 in its outermost level. Will neon form bonds with other atoms?​
Lana71 [14]

Answer:

no

Explanation:

this is because its valency shell is full so it wont want any other electrons in its valence shell.

6 0
3 years ago
Identify two types of simple machines in this compund machine.
sleet_krkn [62]

the answer would be "screw and lever!", thats the answer because the middle is made into a rod of metal rapped in metal to screw into the cork, and the lever part is the two handles on the side to lift it out of the bottle.

4 0
4 years ago
Read 2 more answers
Practice
marshall27 [118]

Answer:

In both cases the height is greater than 10.3 m

Explanation:

Pressure is defined by the relationship

       P = F / A

in this case the force is the weight of the two gases

       F = W = m g

If we use the definition of density

      ρ = m / V

      V = A h

      m = ρ A h

we substitute

       P = ρ g h

       h = \frac{P}{\rho g}

For this case the density of the gases is

       ρ' = 0.9 \rho_{water}

       h =\frac{P}{0.9 \ \rho_{water} g}

we calculate

     ρ’= 0.9 \rho_{water}

     h = 1 105 / (0.9 1000 9.8)

     h = 11.3 m

      ρ’= 0.8 \rho_{water}

       h = 1 105 / (0.8 1000 9.8

       h = 12.8 m

In both cases the height is greater than 10.3 m

4 0
3 years ago
When you put a book on a table the table pushes back. which newton law
sergeinik [125]
Newtons Third law of motion
6 0
4 years ago
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