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notka56 [123]
3 years ago
10

Which is a chemical property that can be used to identify calcium carbonate?

Physics
1 answer:
Zina [86]3 years ago
5 0
I think the answer is d i think
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In an insulated container, liquid water is mixed with ice. What can you conclude about the phases present in the container when
Ann [662]

Answer:

d. There is no way of knowing the phase composition without more information.

Explanation:

There is no way to ascertain the phases present in the container when equilibrium is established because we are not furnished with enough information.

  • The most important information needed to have a deeper understanding and provide solution is temperature.
  • Liquid water and ice can both exist at the same temperature.
  • So we cannot conclude based on the information at hand.
5 0
3 years ago
A particle moving at 10 m/s along the x-axis collides elastically with another particle moving at 5.0 m/s in the same direction
drek231 [11]

Explanation:

It is given that,

Velocity of particle 1, u₁ = 10 m/s

Velocity of particle 2, u₂ = 5 m/s

Let v₁ and v₂ are the final speed of both particles after the collision. Applying the conservation of momentum as :

mu_1+mu_2=mv_1+mv_2

15=v_1+v_2......................(1)

For an elastic collision, the coefficient of restitution is equal to 1 as :

\dfrac{v_2-v_1}{u_1-u_2}=1

\dfrac{v_2-v_1}{5}=1

{v_2-v_1}=5................(2)

On solving equation (1) and (2), we get,

v_1=5\ m/s

v_2=10\ m/s

So, the speeds of particle 1 and particle 2 after the collision is 5 m/s and 10 m/s respectively. Hence, this is the required solution.

8 0
4 years ago
The total amount of energy in the universe is...
pav-90 [236]

Answer:

infinite?

Explanation:

3 0
4 years ago
Why do we need to study physics like how will it help our future
luda_lava [24]

Answer:

It helps us to be aware of some things that guide us and laws or theories to help us learn further

3 0
3 years ago
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The bottle's mass is 0.2 kg. The diameter of its base is 10cm. How much pressure does the bottle exert on the table? A) 64 Pa B)
Semenov [28]

Answer:

B 25pa.................................

4 0
4 years ago
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