3 years ago

Which event would be impossible to explain by using John Dalton's model of the atom

Chemistry

1 answer:

statuscvo [17]3 years ago

6 0

Answer:

idk

Explanation:

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Which of the following is an example of an energy transformation?

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3 6. 9 TIME REMAINING 57:16 A substance is made up of slow-moving particles that have very little space between them. Based on t

Natalka [10]

Answer:

It is not a gas because its particles do not have large spaces between them.

Explanation:

Solids and liquids have a lot of particles with few spaces between them. Also, gas particles move rapidly in each direction.

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3 years ago

Which of the following measurements is equal to 2,300 dL

kolbaska11 [484]

230,000. and that weird u
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A student obtains the following data: Mass of empty, dry graduated cylinder: 21.577 g Volume added of NaCl solution: 4.602 mL Ma

klasskru [66]

<u>Answer:</u> The density of NaCl solution is 3.930 g/mL

<u>Explanation:</u>

We are given:

Mass of cylinder, $m_1$ = 21.577 g

Mass of NaCl and cylinder combined, M = 39.664 g

Mass of NaCl, $m_2$ = $(M-m_1)=(39.664-21.577)g=18.087g$

To calculate density of a substance, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

We are given:

Mass of NaCl = 18.087 g

Volume of NaCl solution = 4.602 mL

Putting values in above equation, we get:

$\text{Density of NaCl}=\frac{18.087g}{4.602mL}\\\\\text{Density of NaCl}=3.930g/mL$

Hence, the density of NaCl solution is 3.930 g/mL

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Lonic or Covalent? Fe2O3

yan [13]

Fe2o3 this is covalent

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