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WITCHER [35]
2 years ago
10

The doctor knows that people taking the medicine may sleep better just because they expect the medicine to work. How can he be s

ure of whether the medicine really works?
Chemistry
1 answer:
dalvyx [7]2 years ago
7 0

The best test would be doing a double-blind test between the person who is receiving the medicine so that they don't know if they received a placebo or not and the person giving the medicine does not know if the participant is receiving a placebo or not.

However, a placebo test can simply be done. This is where the patient received a medicine that does not have any medicinal effects and see if the person sleeps better. If they say they did, they have fallen under the placebo effect.

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Am I correct !<br>Please tell me.<br>If not then pls correct !<br>Thanks​
scZoUnD [109]

Cu + 2H2SO4  ⟶ CuSO4 + SO2 + 2H20

In left hand side of the equation.

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H = 4 atoms

S = 2 atoms

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In right hand side of the equation.

Cu = 1 atom

S = 2 atoms

0 = 8 atoms

H = 4 atoms

• All the atoms are balanced in the left and right side of the equation and it satisfies the law of conservation of mass.

• Equation is balanced and correct.

*See the attachment .

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Explanation:

trust me i have a huge brain and access to the internet

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