3 years ago

When mountains are young, like the Rocky Mountains, they are very tall, with sharp jagged shapes. When mountains are old, they

1 answer:

marta [7]3 years ago

6 0

I think A.weathering, is the best possible answer

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Lelechka [254]

Given :

Number of He atoms, $n = 3.4\times 10^{24}$ atoms.

To Find :

How many grams are their in given number of He atoms.

Solution :

We know, molecular mass of He is 4 g. It means that their are $6.022 \times 10^{23}$ atoms in 4 g of He.

Let, number of gram He in $3.4\times 10^{24}$ atoms is x , so :

$x = \dfrac{3.4\times 10^{24}}{6.022\times 10^{23}}\times 4\\\\x = $$22.58\ g$

Therefore, grams of He atoms is 22.58 g .

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marshall27 [118]

Answer: I think it’s the first one

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podryga [215]

The answer is b . (1*5=5)

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marshall27 [118]

Answer:

1. Color Change

2. Change in temperature

3. Noticiable Odor

4. Formation of bubbles

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ad-work [718]

I believe it’s 2? Because it’s saying read the temperature. Which is basically saying look at what state the water is in. Ex: hot or cold

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