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4 years ago

Acids turned ___bases turned _and neutral stayed__

1 answer:

8 0

I'm not sure tbh, but if it helps, heres a game that helped me understand bases acids and neutrals for chem in 8th grade! http://static.lawrencehallofscience.org/scienceview/scienceview.berkeley.edu/html/showcase/flash/jui... I know it looks cheesy, but it helps! Chem is something youll have until college, and it helps to learn about it. You can make drinks using acids, bases, and neutrals!

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How much current is in a circuit that includes a 9.0 volt battery and a bulb woth a resistance of 4.0 ohms

Vitek1552 [10]

According to Ohm's law for a portion of the circuit we have:

U=RI=>I=U/R=9/4=2.25 A

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3 years ago

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Please Help Conservation of energy

Sonja [21]

Answer:

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Explanation:

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3 years ago

Two oppositely charged parallel sheets of charge give rise to a field of 9.00×1011 N/C between them. The sheets are square and h

Maksim231197 [3]

Answer:

$Q = 5.75 C$

Explanation:

As we know that due to a thin sheet electric field at a point near its surface is given as

$E = \frac{\sigma}{2\epsilon_0}$

now we have two sheets of opposite charges so the net electric field is double that of field due to one sheet

so we have

$E_{net} = 2E$

$E_{net} = \frac{\sigma}{\epsilon_0}$

$9.00 \times 10^{11} = \frac{Q}{A\epsilon_0}$

now we have

$Q = 9.00 \times 10^{11}(0.85 \times 0.85)(8.85 \times 10^{-12})$

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4 years ago

If the thermal energy of the system increases by 400 J, and 1,100 J of heat were added to the system, how much work did the syst

Luba_88 [7]

700 J is the work done by the system.

Explanation:

The first law of thermodynamics is that the change in internal energy of the system is equal to the net heat transfer to the system minus the complete work performed by the system.

$\Delta \boldsymbol{U}=\boldsymbol{Q}-\boldsymbol{W}$

Where,

∆U – Change in internal energy

Q – Heat transfer to the system

Q – Work done

Here,

Given data:

∆U - 400 J

Q - 1100 J

We need to the work done by the system (W)

By applying the given values in the above equation, we get

400 = 1100 - W

W = 1100 - 400 = 700 J

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3 years ago

How does the abundance of hydrogen and helium support the Big Bang Theory?

Blababa [14]

Answer:

Hydrogen and helium account for nearly all the nuclear matter in today's universe. This is consistent with the standard or "big bang" model. ... Basically , the hydrogen-helium abundance helps us to model the expansion rate of the early universe. If it had been faster, there would be more neutrons and more helium.

Explanation:

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3 years ago

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Acids turned _______bases turned _________and neutral stayed______

Acids turned ___bases turned _and neutral stayed__