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Stolb23 [73]
3 years ago
8

The blank

Chemistry
1 answer:
Alik [6]3 years ago
5 0
I think it’s “number” and “type”
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When scientists use one of their five senses to gather information, they are A. making an observation. B. making an inference. C
Goshia [24]

A. making an observation.

Explanation:

When scientists use one of their five sense to gather information, they are simply making an observation.

Most physical properties of matter are studied using sense of taste, of feel, sight, hearing and smell.

  • Observation is the act of making a measurement or studying.
  • It helps to investigate particular phenomenon in nature.
  • Most observations made with our senses are usually qualitative in nature.
  • They cannot be assigned values like quantitative ones.

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Observations brainly.com/question/5096428

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3 years ago
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Kp for the following reaction is 0.16 at 25 degree C. 2 NOBr(g) 2 NO(g) Br_2(g) The enthalpy change for the reaction at standard
finlep [7]

Answer:

Explanation:

Given that:

2 NOBr_{(g)} \iff 2 NO_{(g)} + Br_{2(g)}

From above:

K_p = 0.16 = \dfrac{(P_{NO})^2 (P_{Br})}{(P_{NOBr})^2}

To predict the effect of the addition of Br₂(g);

The addition of Br₂(g) will favor the equilibrium to shift to the left i.e. formation of NOBr

The removal of some NOBr will cause the equilibrium position to shift to the left side. This is because concentration on the left side is decreased and the concentration on the right side will be increased. Thus, the equilibrium will shift towards where the concentration is reduced which is the left side.

5 0
2 years ago
A chemical change in which a single compound breaks down into two or more products is which of the following?
Blizzard [7]

Answer:

...

Explanation:

6 0
2 years ago
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Many appliances in your home and school use electrical energy. Which of these appliances is intended to convert electrical energ
Solnce55 [7]

Answer:

music amplifier or a loudspeaker

Explanation:

A music amplifier or a loudspeaker are a few devices that convert electrical energy into sound energy.

As it is a well known fact that energy can neither be created nor be destroyed it can only change from one form to the other. As here it is changing from electrical to sound.

6 0
2 years ago
100 POINTS!!! :0! What two things do all chemical reactions have in common (tick 2)? 1. They create new substances- the substanc
dusya [7]

Answer:

1 and 4

Explanation:

7 0
3 years ago
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