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3 years ago

6

Please help me :) ( check the photo! )

2 answers:

Reil [10]3 years ago

3 0

Answer:

plastic rays i think the matetial that can widely recycle

jonny [76]3 years ago

3 0

Plastic trays and biscuits wrappers

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Suppose a sample of gas is composed of 100 molecules, with speeds given below. Speed (m/s) Number 200 23 400 42 600 26 800 8 100

ollegr [7]

Answer:

The answer is:

$speed(\frac{m}{s}) \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (number)\\\\ 100 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 23 \\\\ 200 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 42 \\\\ 300 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 26 \\\\ 400 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 8 \\\\ 500 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 1 \\\\$

Explanation:

Its total kinetic energy of a gas colloquial atom colloction is equal to absolute temperature alone, according to the programs that directly gas Theory.

Average speed for 1st option:

$= \frac{(200 \times 23)+(400 \times 42)+(600 \times 26)+(800 \times 8) +1000}{100} \\\\= 444\ \frac{m}{s} \ \ \ \ \ \ \ \ \ \text{average speed of gas}$

Average speed for 2nd option:

$= \frac{(200 \times 11) +(400 \times 21)+ (600 \times 13)+ (800 \times 4)}{11+21+13+4} \\\\= 440 \ \frac{m}{s}$

Average speed for 3rd option:

$= \frac{(200 \times 43) +(400 \times 50)+ (600 \times 7)}{100} \\\\ =328 \ \frac{m}{s}$

Average speed for 4th option:

$= \frac{(200 \times 50) +(400 \times 25)+ (600 \times 13)+(800\times 8)+(1000 \times 4)}{100}\\\\ =382\ \frac{m}{s}$

Average speed for 5th option:

$= \frac{(100 \times 23) +(200 \times 42)+ (300 \times 26)+(400\times 8)+500}{100}\\\\ =222 \ \frac{m}{s}$

The average speed also increased by half because the temperatures had kinetic energy. $\to 444 \ \frac{m}{s}\ to \ 222 \ \frac{m}{s}$

7 0

3 years ago

What makes an acid acidic? a) Number of protons in a molecule b) Temperature c) Chemical structure d) Phase

charle [14.2K]

Answer:

C.

Explanation:

Chemical structure

7 0

3 years ago

Convert -225.8°C to K. Enter the correct number of significant figures.

Len [333]

Answer:

47.3° K

Explanation:

i just looked it up

6 0

3 years ago

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Why do atoms share electrons in covalent bonds?

vladimir2022 [97]

To fill the other element's shell.

7 0

3 years ago

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Find the volume of 0.0256 g H2S (at STP).<br> Answer in units of L.

mylen [45]

Answer:

The volume of 0.0256 gram of H₂s is =0.0178944 liter

Explanation:

Specific volume of H₂S is 0.699 m³/kg

The volume of 1000 gram of H₂s is 0.699 m³

Then the volume of 0.0256 gram of H₂s is = $\frac{0.699\times 0.0256}{1000}$

= 0.000178944 m³

=0.000178944×1000 l

=0.0178944 liter

6 0

4 years ago