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Licemer1 [7]
3 years ago
11

PLEASE HELP !!!

Chemistry
1 answer:
garri49 [273]3 years ago
7 0
According to the Law of Definite Proportions from Dalton's Atomic Theory, each compound is composed of a fixed ratio of each of its individual elements. So, the number of individual elements per 1 particle of that compound is represented by the subscripts. The answers are as follows:

Table sugar: 12 atoms of carbon, 22 atoms of hydrogen; 11 atoms of oxygen; 45 total atoms
Marble: 1 atom of calcium, 1 atom of carbon; 3 atoms of oxygen; 5 total atoms
Natural gas: 1 atom of carbon, 4 atoms of hydrogen; 5 total atoms
Rubbing alcohol: 3 atoms of carbon, 8 atoms of hydrogen; 1 atom of oxygen; 12 total atoms
Table sugar: 1 atom of silicon; 2 atoms of oxygen; 3 total atoms
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What does quantum theory states
kvv77 [185]

Answer:

Quantum theory is the theoretical basis of modern physics that explains the nature and behavior of matter and energy on the atomic and subatomic level. ... Planck wrote a mathematical equation involving a figure to represent these individual units of energy, which he called quanta.

Explanation:

Hope this helped young one

5 0
2 years ago
Hi can someone please help me find the average for these temperatures? I need them asap
goblinko [34]

Answer:

55 degrees F - cold water

120 degrees F

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2 years ago
Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4°F to 85.0°F. The specific heat of
MAXImum [283]

Here we have to calculate the heat required to raise the temperature of water from 85.0 ⁰F to 50.4 ⁰F.

10.857 kJ heat will be needed to raise the temperature from 50.4 ⁰F to 85.0 ⁰F

The amount of heat required to raise the temperature can be obtained from the equation H = m×s×(t₂-t₁).

Where H = Heat, s  =specific gravity = 4.184 J/g.⁰C, m = mass = 135.0 g, t₁ (initial temperature) = 50.4 ⁰F or 10.222 ⁰C and t₂ (final temperature) = 85.0⁰F or 29.444 ⁰C.

On plugging the values we get:

H = 135.0 g × 4.184 J/g.⁰C×(29.444 - 10.222) ⁰C

Or, H = 10857.354 J or 10.857 kJ.

Thus 10857.354 J or 10.857 kJ heat will be needed to raise the temperature.

6 0
3 years ago
SOMEONE JUST PLEASE HELP MEE
aev [14]

Answer:

A is the answer. Hope this helped.

8 0
3 years ago
Read 2 more answers
Which solution when mixed with a drop of bromthymol blue will cause the indicator to change from blue to yellow
Arisa [49]
Hello!


bromothymol blue in aqueous solution gives a yellow color.


<span>I hope I helped you</span>

6 0
3 years ago
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