2 years ago

Which best explains why the atomic theory is a scientific one?

Chemistry

2 answers:

atroni [7]2 years ago

7 0

Answer:

Explanation:

PIT_PIT [208]2 years ago

6 0

Answer:

it will option c it is perfect

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The volume of a sample gas, initially at 25 C and 158 mL, increased to 450 mL. What is the final temperature of the sample of ga

Rashid [163]

Answer:

Final temperature of the gas is 576 $^{0}\textrm{C}$ .

Explanation:

As the amount of gas and pressure of the gas remains constant therefore in accordance with Charles's law:

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

where $V_{1}$ and $V_{2}$ are volume of gas at $T_{1}$ and $T_{2}$ temperature (in kelvin scale) respectively.

Here $V_{1}=158mL$ , $T_{1}=(273+25)K=298K$ and $V_{2}=450mL$

So $T_{2}=\frac{V_{2}T_{1}}{V_{1}}=\frac{(450mL)\times (298K)}{(158mL)}=849K$

849 K = (849-273) $^{0}\textrm{C}$ = 576 $^{0}\textrm{C}$

So final temperature of the gas is 576 $^{0}\textrm{C}$ .

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2 years ago

Write the nuclear symbol of oxygen-16?

Nina [5.8K]

Answer:

Oxygen-16 (16o) is a stable isotope of oxygen, having 8 neutrons and 8 protons in its nucleus.

Explanation:

5 0

3 years ago

What percent of AgNO3 is silver?

Inga [223]

Answer:

63.499%

Explanation:

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2 years ago

What substance melts ice the fastest science project

arlik [135]

Answer:

Salt

Explanation:

salt particles make it harder for water particles to freeze back onto the ice

ice that is in contact with dissolved salt melts faster

7 0

1 year ago

It is possible to have more than the maximum amount of solute dissolved in a solvent.

vladimir1956 [14]

B. False

When the maximum amount of solute has been dissolved in a given amount of solvent, we say that the solution is saturated with solute.

3 0

3 years ago

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