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madreJ [45]
3 years ago
10

Which one of the samples contains the most molecules?

Chemistry
1 answer:
Alex3 years ago
7 0

Answer: D is right

Explanation: One mole contains 6.0225 ·10^23 molecules

Despite of the substance

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How does a sample of hydrogen at 10 degrees Celsius compare to a sample of hydrogen at 350K?
Sophie [7]

Answer:

We can compare the both sample by taking into account the kinetic energy.

By increasing the temperature kinetic energy of gas molecules increased.

Explanation:

It is known that kinetic energy of molecules is increased by increasing the temperature.

We are given with two sample of hydrogen one is at 10°C and other is at 350 K.

Hydrogen sample at 10°C = 273.15 + 10 = 283.15 k

Thus one sample is at 283.15 K and other is at 350 K. So, the sample at higher temperature i.e 350 K will have more kinetic energy of molecules.

While the sample at 283.15 K will have less speed of molecule and kinetic energy.

8 0
3 years ago
How many grams of copper Cu, 63.54 g/mol are in 3.42 moles copper
DIA [1.3K]
Answer:
              Mass  =  217.30 g

Solution:

Mass and moles are related to each other as,

                                  Moles  =  Mass / M.mass  ---- (1)

Where;
            Moles  =  3.42

            M.Mass  =  63.54 g.mol⁻¹

Solving eq. 1 for Mass,

                                  Mass  =  Moles × M.mass
Putting Values,
                                  Mass  =  3.42 mol × 63.54 g.mol⁻¹

                                  Mass  =  217.30 g
7 0
3 years ago
⁉️⁉️1210 / 0.1223⁉️⁉️
lubasha [3.4K]
The answer is = 9893.704007
8 0
3 years ago
What do navigators need to consider when plotting a course?
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2.) Notes of the chart
3.) chart symbols
4.) chart corrections
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6.) radar fixes

7.) Visual fixtures and position circle and position line
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3 years ago
Why is hydronium ion not an electrophile
galina1969 [7]

Answer:

Hydronium ion is not an electrophile because, its positive charge is on oxygen and its octet is filled.

Explanation:

5 0
3 years ago
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