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Natali5045456 [20]
2 years ago
11

Which one does Temperature measure

Chemistry
1 answer:
Effectus [21]2 years ago
7 0

Answer:

B. how fast the particles are moving

Explanation:

Temperature measures the average kinetic energy of system as result of the thermal - heat energy present in the reaction or a body.

Often times, temperature is the degree of hotness or coldness of a body and this translates to an increase or decrease in the molecular speed.

  • Number of particles in a body is the mass of the body.
  • How tightly packed the particles are corresponds to the density of the body.
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High concentrations of ammonia (NH3), nitrite ion, and nitrate ion in water can kill fish. Lethal concentrations of these specie
kykrilka [37]

Explanation:

It is known that molality is the number of moles present in kg of solution.

Mathematically,  Molality = \frac{\text{no. of moles of solute}}{\text{mass of solvent in Kg}}

The given data is as follows.

Molar mass of ammonia = 17 g/mol

Concentration = 1.002 mg/L = \frac{0.001002 g/L}{17 g/mol}

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Also,    density = \frac{1 g}{mL} = 1 kg/L

Therefore, molality will be calculated as follows.

        Molality = \frac{5.89 \times 10^{-4} mol/L}{1 kg/L}

                      = 5.89 \times 10^{-4} mol/kg

And,

Molar mass of nitrite = 46 g/mol

Concentration = 0.387 mg/L = \frac{0.000412 g/L}{46 g/mol}

                        = 8.956 \times 10^{-6} mol/L

And, density = \frac{1 g}{mL} = 1 kg/L

Hence, molality = \frac{8.956 \times 10^{-6} mol/L}{1 kg/L}

                          = 8.956 \times 10^{-6} mol/kg  

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      Concentration = 1352.2 mg/L

                              = \frac{1.3522 g/L}{62 g/mol}

                              = 0.02181 mol/L

Also, density = \frac{1 g}{mL} = 1 kg/L

Hence, molality will be calculated as follows.

         Molality = \frac{0.02181 mol/L}{1 kg/L}

                       = 0.02181 mol/kg

Therefore, molality of given species is 5.89 \times 10^{-4} mol/kg  for ammonia, 8.956 \times 10^{-6} mol/kg  for nitrite, and 0.02181 mol/kg for nitrate ion.

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Answer:

airing Your GizmoWatch to the GizmoHub App 10. Register ... NOTE: If any component is missing, please contact the store ... Gizmo Buddies can text the GizmoWatch ... Tap Kids to access your child's full profile. If you have more than one child, swipe left or right to ... portable devices with LCD panels may be used to help.

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2. HBIO3 name this acid.​
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You add 7.8 g of iron to 20.70 mL of water and observe that the volume of iron and water together is 21.69 mL . Calculate the de
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