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2 years ago

11

The Statue of Liberty is composed of copper. The smallest particle of any amount of copper is A) an atom. B) an element. C) a co

mpound. Eliminate D) a molecule.

1 answer:

Lina20 [59]2 years ago

5 0

an atom because its the smallest thing in the entire world and in all orgnaisms

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iris [78.8K]

Answer:

B

Explanation:

Phosphofructokinase-1

6 0

2 years ago

How many photons of light are emitted when the electrons in 10 hydrogen atoms drop from energy level 5 to 3?

nata0808 [166]

The Answer is 10 it a little difficult to explain but I’ll try my best

6 0

3 years ago

A gas expands from a volume of 2.00L at 36.0oC to a volume of 2.50 L, what is the final temperature, if the pressure is constant

lakkis [162]

We shall consider V, the volume and T, the temperature.
According to Boyle's Laws:
$\frac{V1}{T1} = \frac{V2}{T2}$
In our case:
$\frac{2.00}{36.0} = \frac{2.50}{T2} =\ \textgreater \ T2= \frac{2.50*36.00}{2.00} = 45$

6 0

3 years ago

Read 2 more answers

Acetylene, c2h2, has a standard enthalpy of formation, δh° = 226.7 kj/mol, and a standard entropy change for its formation from

VLD [36.1K]

ΔG⁰ = ΔH⁰ - T ΔS⁰

ΔG⁰ : Standard free energy of formation of acetylene

ΔH⁰ : Standard enthalpy of formation (226.7 kJ/mol)

ΔS⁰ : Standard entropy change (58.8 J / K. mol)

T : Temperature 25°C = 298 K (room temperature)

ΔG⁰ = 226.7 - (298 x 58.8 x 10⁻³) = 209.2 kJ /mol

5 0

3 years ago

Read 2 more answers

List all orbitals from 1s through 5s according to increasing energy for multielectron atoms. rank orbitals from smallest to larg

GaryK [48]

Answer:

1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s

Explanation:

You can predict the order of orbital energies by constructing a diagram as shown below.

Follow the arrows to get the orbitals in order of increasing energy.

The order is

1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s

3 0

3 years ago