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sdas [7]
3 years ago
15

Which statement below best describes the Theory of Plate Tectonics?

Chemistry
2 answers:
k0ka [10]3 years ago
3 0

A. plate tectonics slowly move in what is called Continental Drift, the Earth used to be one continent called Pangea and has shifted ever since.

Inessa [10]3 years ago
3 0

Answer:

A

Explanation:

The plates float on the magma and move with the molten rock underneath.

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Natural gas is almost entirely methane. A container with a volume of 2.65L holds 0.120mol of methane. What will the volume be if
mrs_skeptik [129]

The final volume of the methane gas in the container is 6.67 L.

The given parameters;

  • <em>initial volume of gas in the container, V₁ = 2.65 L</em>
  • <em>initial number of moles of gas, n₁ = 0.12 mol</em>
  • <em>additional concentration, n = 0.182 mol</em>

The total number of moles of gas in the container is calculated as follows;

n_t = 0.12 + 0.182 = 0.302 \ mol

The final volume of gas in the container is calculated as follows;

PV = nRT\\\\\frac{V}{n} = \frac{RT}{P} \\\\\frac{V_1}{n_1} = \frac{V_2}{n_2} \\\\V_2 = \frac{V_1 n_2}{n_1} \\\\V_2 = \frac{2.65 \times 0.302}{0.12} \\\\V_2 = 6.67 \ L

Thus, the final volume of the methane gas in the container is 6.67 L.

Learn more here:brainly.com/question/21912477

5 0
3 years ago
What did Ernest Rutherford s gold foil experiment demonstrate about atoms?
mote1985 [20]
Rutherford performed gold foil experiment to understand that how negative and positive particles could Co exist in an atom. He bombarded alpha particles on a 0.00004 cm thick gold foil.

He proposed a planetary model of the atom and concluded following results and demonstrated that,
1. An atom produces a line spectrum.
2. An Electron revolves around the nucleus without any orbits.
3. Since most of the particles passed through the foil undeflected it means that most of the volume occupied by an atom is empty.
4. An Atom as a whole is neutral.
5. The deflection of few particles on the foil suggested that there is center of positive particles in an atom called the nucleus of the atom.
6. The complete rebounce of few particles on the gold foil suggested that the nucleus is very dense and hard.
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3 years ago
Which statement is true about the patterns shown on the electromagnetic spectrum?
Rudiy27
A. As wavelength increases, radiant energy and frequency increase.
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2 years ago
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nikitadnepr [17]

the answer is A. Does temperature affect the growth of rose bushes because remember their asking u what question can you answer doing the investigation.

8 0
3 years ago
3. If we remember seeing something happen, we can trust that it happened just as we think it did. True or False​
djverab [1.8K]

\huge{ \underbrace{ \overbrace{True}}}

.

\huge\mathfrak\purple{Hope  \: it  \: helps}

Note : Because Many of My Dreams came true and I realized.

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2 years ago
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