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3 years ago

11

Which of the following is a layer of the solid Earth?

1 answer:

Roman55 [17]3 years ago

6 0

Answer:

The inner core is solid. But the mantle is solid/plastic

Explanation:

I completed the class Earth science

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In a combustion experiment, it was found that 12.096 g of hydrogen molecules combined with 96.000 g of oxygen molecules to form

Mkey [24]

The mass change, or the mass defect, can be calculated by the formula that is very known to be associated with Albert Einstein.

E = Δmc²
where
E is the energy gained or released during the reaction
c is the speed of light equal to 3×10⁸ m/s
Δm is the mass change

(1.715×10³ kJ)(1,000 J/1 kJ) = Δm(3×10⁸ m/s)²
Δm = 1.91×10⁻¹¹ kg

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3 years ago

Calculate the work done when an ideal gas expands isothermally and reversibly in a piston and cylinder assembly for expansion of

pantera1 [17]

Answer:

$W=5743.1077\ J$

Explanation:

The expression for the work done is:

$W=RT \ln \left( \dfrac{P_1}{P_2} \right)$

Where,

W is the amount of work done by the gas

R is Gas constant having value = 8.314 J / K mol

T is the temperature

P₁ is the initial pressure

P₂ is the final pressure

Given that:

T = 300 K

P₁ = 10 bar

P₂ = 1 bar

Applying in the equation as:

$W=8.314\times 300 \ln \left( \dfrac{10}{1} \right)$

$W=300\times \:8.314\ln \left(10\right)$

$W=2.30258\times \:2494.2$

$W=5743.1077\ J$

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3 years ago

PLZ HELP ME!!!!! Identify the compound that plants make to store as energy.

aliya0001 [1]

Answer:

Glucose

Explanation:

Plants make glucose to store as energy.

4 0

3 years ago

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What type of bond is present between two atoms of tungsten in a light bulb filament?

stiks02 [169]

Answer:

ionic bonding

Explanation:

hope it helps

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3 years ago

What does the second law of thermodynamics say about entropy?

Annette [7]

Answer:

the ansnwer is c mf kf n dsj njnr kgjrk nj ee h ewfkjhnf ewjn fnkwfnjnfnfunf

Explanation:

because is sooo goood

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3 years ago

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