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Lera25 [3.4K]
3 years ago
12

"Two-thirty in the afternoon" is a measure of: relative time absolute time

Chemistry
2 answers:
Ray Of Light [21]3 years ago
7 0

The answer is absolute time.

ladessa [460]3 years ago
5 0
The answer would be B) Absolute time.
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Exactly 5.00 L of air at -50.0°C is warmed to 100.0°C. What is the new volume if the pressure remains constant?
zaharov [31]

Explanation:

The given data is as follows.

   V_{1} = 5.00 L,                           V_{2} = ?

   T_{1} = -50.0 + 273 = 223 K,     T_{2} = 100.0 + 273 = 373 K

     P = constant

Therefore, calculate V_{2} as follows.

      \frac{PV_{1}}{T_{1}} = \frac{PV_{2}}{T_{2}}

Since pressure is constant so, P will be cancelled out from both the sides.

      \frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}

            V_{2} = \frac{V_{1}T_{2}}{T_{1}}

                                     = \frac{5.00 L \times 373 K}{223 K}

                                     = \frac{1865 L}{223}

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Thus, we can conclude that V_{2} is 8.36 L.

3 0
3 years ago
What is the collection of protons and neutrons in the center of an atom called
sdas [7]

If I am correct it should be nucleons


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Dmitriy789 [7]
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Consider the balanced equation below.
Alexus [3.1K]

Answer : The mole ratios of Hydrazine to Hydrogen peroxide is 1 : 2 and

                the mole ratios of Hydrazine to water is 1 : 4.

Explanation :

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N_{2}H_{4}+2H_{2}O_{2}\rightarrow N_{2}+4H_{2}O

According to the given reaction,

1 mole of Hydrazine react with the 2 moles of Hydrogen peroxide.

Therefore, the mole ratios of Hydrazine to Hydrogen peroxide is 1 : 2

And in case of Hydrazine and water,

1 mole of Hydrazine gives 4 moles of water.

Therefore, the mole ratios of Hydrazine to water is 1 : 4

5 0
3 years ago
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