3 years ago

What is a sign that a person may be abusing drugs?

Chemistry

2 answers:

jekas [21]3 years ago

8 0

It would probably be it would probably be B

lidiya [134]3 years ago

6 0

Answer:

answer is a because drugs do so to the person.

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Electron configuration of Mo

makkiz [27]

Answer:The computer writes electron configurations in the form, for Co for example, [Ar]3d(7)4s(2), which we would write [Ar]3d74s2

NOTE: Write electron configurations as they appear in the periodic table in the front of you text put 4f before 5d

Explanation:

3 0

3 years ago

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle

elixir [45]

Answer: The partial pressure of hydrogen is 93.9 kPa.

Explanation:

To calculate the partial pressure of hydrogen, we will follow Dalton's Law.

This law states that the total pressure of a mixture of gases is equal to the sum of the individual pressures exerted by the constituent gases.

Mathematically,

$p_{total}=p_A+p_B$

According to the question,

$p_{total}=p_{H_2O}+p_{H_2}$

We are given:

$p_{total}=97.1 kPa$

$p_{H_2O}=3.2kPa$

$p_{H_2}= ?kPa$

Putting values in above equation, we get:

$97.1kPa=3.2kPa+p_{H_2}$

$p_{H_2}= 93.9kPa$

Hence, the partial pressure of hydrogen is 93.9 kPa.

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3 years ago

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List the number of each atom in the formulas above: H O C I just need the carbon

pashok25 [27]

Hydrogen is 8, Oxygen is 1, and Carbon is 3

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The oxidation number of Na in NaCl a. 0 b. -1 c. +1 d. -2 e. +2

Dahasolnce [82]

NaCl:

Na = + 1

Cl = - 1

hope this helps!

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3 years ago

When the gases dihydrogen monosulfide and oxygen react, they form the gases sulfur dioxide and water vapor. Write the balanced c

Anna35 [415]

2(H2S) + 3(O2) -> 2(SO2) + 2(H2O)

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