2 years ago

Which three statements giving brainluiest

Chemistry

2 answers:

Effectus [21]2 years ago

4 0

B, C, and D are all correct

Lesechka [4]2 years ago

4 0

Answer:

<u>will</u> you be my Gf?:)

I am ready to be your gf:)

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What is the H+ concentration for an aqueous solution with pOH = 4.01 at 25 ∘C? Express your answer to two significant figures an

EleoNora [17]

I believe pH = -log[H+]

Also, 14 = pH + pOH

Therefore pH = 14 - pOH

pH = 14 - 4.01

pH = 9.99

9.99 = -log[H+]

Solve for H+

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3 years ago

Alex lives in Arizona. He plants flowers in a pot with new soil mixed with fertilizers, and he places the pot on his back porch.

Anuta_ua [19.1K]

Since he’s watering it and it’s getting sun, i would say it’s because the soil isn’t rich enough and it doesn’t have the nutrients it needs for the plant to grow.

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2 years ago

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When you add up all the kinetic energy and potential energy of a substance you are finding its _________________.

Aleks [24]

a ) temperature

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2 years ago

(d) carbon monoxide

Irina18 [472]

Answer:

D. carbon monoxide

Hope this helps :)

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2 years ago

3. A PS6 plugged into a 120 V outlet uses 3 Amps. What is the Resistance rating of

blondinia [14]

Answer:

R = 40 ohms

Explanation:

Given that,

The voltage of outlet, V = 120 V

Current flowing through the device, I = 3 A

We need to find the Resistance rating of the power cord. Let the resistance is R. We know that,

Ohm's law, V = IR

Put all the values,

$R=\dfrac{V}{I}\\\\R=\dfrac{120}{3}\\\\R=40\ \Omega$

So, the resistance rating of the power cord is equal to 40 ohms.

8 0

2 years ago