3 years ago

Which of the following is NOT a characteristic of stars? A) Size B) temperature C) texture D) color

1 answer:

Lynna [10]3 years ago

7 0

Answer:

Explanation:

Characteristics used to classify stars include color, temperature, size, composition, and brightness.

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jek_recluse [69]

Answer: There are $61.24 \times 10^{23}$ molecules present in 183.2 grams of $H_{2}O$ gas.

Explanation:

Given: Mass = 183.2 g

Number of moles is the mass of substance divided by its molar mass.

As molar mass of water is 18 g/mol. Therefore, moles of $H_{2}O$ are calculated as follows.

$Moles = \frac{mass}{molar mass}\\= \frac{183.2 g}{18 g/mol}\\= 10.17 mol$

According to the mole concept, there are $6.022 \times 10^{22}$ molecules present in one mole of a substance.

Hence, molecules present in 10.17 moles are calculated as follows.

$10.17 mol \times 6.022 \times 10^{23}\\= 61.24 \times 10^{23}$

Thus, we can conclude that there are $61.24 \times 10^{23}$ molecules present in 183.2 grams of $H_{2}O$ gas.

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vovangra [49]

freezing. Think of what happens when you put water in the freezer

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ryzh [129]

The answer is c but it might be b it’s be

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marishachu [46]

Answer:

13 - 6 =7

Explanation:

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vfiekz [6]

The answer is b all living thing are

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