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Alik [6]
3 years ago
6

In a double-blind test, the non-control group receives a

Chemistry
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:

Hi There! I'm new so I hope I get This Right! ^^

Explanation:

double blind test. the control group receives a placebo. Why is a placebo used in a double-blind test? so that the effects on people in two different groups can be compared.

happy To Help! ^^

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A generator is not required to generate electrical energy when which of the following energy sources is used?
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Answer:

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2 years ago
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How does the electron configuration of elements within the same group compare? (A.) They all have their valence electrons in the
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Answer:

B.They all have their valence electrons in the same type of subshell

Explanation:

  • The electron configurations of elements in the same group (column) of the periodic table have them in the same type of subshell.
  • But the subshells may be of different shells. Thus , the energies of them need not be the same.
  • For example , The Alkalai Metals are found in the first column of the periodic table Group IA. This set of elements all have valence electrons in only the 's' orbital and because they are in the first column they all have s^{1} configuration. i.e,
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3 years ago
7 When carbon is heated in a limited supply
irakobra [83]

Answer:

please mark my answer brainliest

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its carbon monoxide

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3 years ago
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Which of the following will stay constant, no matter if the substance is in the solid, liquid, or gas state? volume shape temper
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Answer : The correct option is, Mass

Explanation :

As we know that there are 3 states of matter :

Solid state : It is a state in which the particles are closely packed and does not have any space between them. This state have a definite shape and volume.

Liquid state : It is a state in which the particles are present in random and irregular pattern. The particles are closely arranged but they can move from one place to another. This state have a definite volume but does not have a fixed shape.

Gaseous state : It is a state in which the particles are loosely arranged and have a lot of space between them. This state have indefinite volume as well as shape.

If we are taking 100 grams of ice then after melting its mass remains same but its shape, volume and temperature will be changed and after evaporation its mass remains same but its shape, volume and temperature will be changed.

Hence, the mass will stay constant, no matter if the substance is in the solid, liquid, or gas state.

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2 years ago
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I believe the answer is 20 degrees Celsius 
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