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OlgaM077 [116]
3 years ago
5

What is the value of 100cm^3 in dm^3​

Chemistry
1 answer:
attashe74 [19]3 years ago
4 0

Answer:

0.1 dm³.

Explanation:

To obtain the value of 100 cm³ in dm³, do the following:

Recall:

1 cm³ = 0.001 dm³

Therefore,

100 cm³ = 100 cm³ × 0.001 dm³ / 1 cm³

100 cm³ = 0.1 dm³

Thus, 100 cm³ is equivalent to 0.1 dm³.

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Calculate the weight of 3.491 into 10 to the power 19 molecules of cl2​
Rom4ik [11]

Answer:

The mass of 3.491 × 10¹⁹ molecules of Cl₂  of Cl₂ is 4.11 × 10⁻³ grams

Explanation:

The number of particles in one mole of a substance id=s given by the Avogadro's number which is approximately 6.023 × 10²³ particles

Therefore, we have;

One mole of Cl₂ gas, which is a compound, contains 6.023 × 10²³ individual molecules of Cl₂

3.491 × 10¹⁹ molecules of Cl₂ is equivalent to (3.491 × 10¹⁹)/(6.023 × 10²³) = 5.796 × 10⁻⁵ moles of Cl₂

The mass of one mole of Cl₂ = 70.906 g/mol

The mass of 5.796 × 10⁻⁵ moles of Cl₂ = 70.906 × 5.796 × 10^(-5) = 4.11 × 10⁻³ grams

Therefore;

The mass of 3.491 × 10¹⁹ molecules of Cl₂  of Cl₂ = 4.11 × 10⁻³ grams.

4 0
2 years ago
How to prepare super saturated solution of copper sulphate ? Explain the experiment
expeople1 [14]

Explanation:

Monitor the temperature of the water with the thermometer. Stop heating the water once it nears the boiling point of 100 degrees Celsius. Add copper(II) sulfate and stir until the heated solution is saturated. When the solution is saturated, copper(II) sulfate will not dissolve anymore

6 0
2 years ago
Raw meat can spread pathogens. Which statement describes the best way to prevent the spread of foodborne illness?
Archy [21]
C.) wash hands, utensils, and surfaces with hot soapy water
7 0
3 years ago
Read 2 more answers
The towed
Volgvan

B Phytoplankton - Zooplankton - Arctic cod - Ringed sal

Explanation:

The food chain that describes the path through which energy takes will be phytoplankton-zooplankton-Arctic cod-Ringed sal. Energy moves in the ecosystem from producers to primary consumers then secondary and tertiary consumers.

  • Autotrophs are those organisms that manufacture their own food. The use chemical substances from the environment to produce their nourishment which serves as the source of energy for the whole ecosystem too.
  • Autotrophs are the producers in any ecosystem and they are usually the plants.
  • The phytoplankton is an autotroph.
  • Next up are the primary consumers that takes up the produced food by the autotrophs for their own nourishment. In the chain above, the Zooplankton is the primary consumer.
  • The secondary consumer that feeds on the zooplankton is the Arctic cod.
  • The tertiary consumer is the Ringed Sal which feeds directly on the Arctic cod.

Learn more:

food chain brainly.com/question/2497487

#learnwithBrainly

4 0
3 years ago
An element has a mass of 207 and 125 neutrons in its nucleus. How many protons & electrons does it have & where are they
SashulF [63]

The number of protons can be calculated by subtracting 207 with 125

Therefore, proton no. : 207 - 125

                                    = 32

Proton number and electron number is always equivalent, so there are 32 electrons in the electron shells

Protons and neutrons are always located in the nucleus of an atom, and electrons are located in the electron shells which always move rapidly around the atom

The element which is referred is Lead(Pb)

7 0
3 years ago
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