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sergij07 [2.7K]
3 years ago
9

What does it mean to be recyclable? What are a few recyclable materials?

Chemistry
2 answers:
Bond [772]3 years ago
6 0
Rigid Plastics/Bottles. - Any plastic bottles or containers found in your kitchen.
Paper and Cardboard. - Cereal/snack cardboard boxes. ...
Metals. - Tin, aluminum, and steel cans.
Glass. - Food containers or jars. ...
Loose Plastic Bags. - Plastic shopping bags. ...
Polystyrene Foam Cups or Containers. ...
Soiled Food Items. ...
Other.
DescriptionRecycling is the process of converting waste materials into new materials and objects. It is an alternative to "conventional" waste disposal that can save material and help lower greenhouse gas emissions.
Sorry if this is incorrect :(
dsp733 years ago
5 0

Collecting and reprocessing discarded materials to make new products and materials is called recycling.

Aluminum drink cans, old glass bottles, and paper are commonly recycled.

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It takes 167 s for an unknown gas to effuse through a porous wall and 99 s for the same volume of n2 gas to effuse at the same t
irakobra [83]

Answer : The molar mass of the unknown gas will be 79.7 g/mol


Explanation : To solve this question we can use graham's law;


Now we can use nitrogen as the gas number 2, which travels faster than gas 1;

So, 167 / 99 = 1.687 So the nitrogen gas is 1.687 times faster that the unknown gas 1

We can compare the rates of both the gases;


So here, Rate of gas 2 / Rate of gas 1 = \sqrt{(molar mass 1 / molar mass 2)}

Now, 1.687 = square root [\sqrt{(molar mass 1) / (28.01 g/mol N_{2})} ]


When we square both the sides we get;


2.845 = (molar mass 1) / (28.01 g/mol N2)


On rearranging, we get,


2.845 X (28.01 g/mol N2) = Molar mass 1

So the molar mass of unknown gas will be = 79.7 g/mol

3 0
3 years ago
What is the difference between 2 ml of salt and 2.0 ml of salt?
faltersainse [42]

Answer:

The 2 ml and 2.0 ml is the same thing.

8 0
3 years ago
How are the different colors generated by the flames? A. proton transitions B. reactions between different atoms C. electronic t
attashe74 [19]

Answer: C

Explanation:

According to Neils Bohr, atoms contain electrons which are arranged in energy levels. The energy levels proceed from the lowest to the highest. When energy is supplied to an atom,it moves from lower to higher energy levels. The higher energy level is known as the excited state. Excited states are short lived and atoms quickly return to ground state with emission of the absorbed energy in the form of visible light. This visible light must have one of the seven colours observed in the visible spectrum; Red, orange, yellow, indigo, blue, green, violet. Energy required for this excitation is supplied by heating the substance in a flame.

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3 years ago
Will mark as brainlest!
USPshnik [31]

A frequency of 60 MHz is close to the lower end of the old VHF-TV band.


c = f λ ...... where c is the speed of light, f is the frequency and λ is the wavelength

λ = c / f = 3.00x10^8 m/s / 6.0x10^7 1/s

λ = 5.0 m

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3 years ago
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Is a burning log an exothermic or endothermic event if the log is the system?
denpristay [2]
It would be endothermic because the log is in the system.
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