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mario62 [17]
3 years ago
11

Which of the following mixture types canNOT be filtered to remove solutes?

Chemistry
1 answer:
iVinArrow [24]3 years ago
3 0
1. A) Colloids only

2. C) M<span>olecules of the dispersion medium colliding with dispered phase particles 

Hope this helps!</span>
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2. Which of the changes indicated are oxidations
sergeinik [125]

Answer:

A) Oxidized

B) Reduced

C) Oxidized

D) Oxidized

Explanation:

A) Cu becomes Cu²⁺

oxidation state increased from 0 to +2. It gets oxidize.

B) Sn⁺⁴ becomes Sn²⁺

oxidation state decreased from +4 to +2. It gets reduced.

C) Cr³⁺ becomes Cr⁺⁶

oxidation state increased from +3 to +6. It gets oxidize.

D) Ag becomes Ag⁺

oxidation state increased from 0 to +1. It gets oxidize.

Oxidation:

Oxidation involve the removal of electrons and oxidation state of atom of an element is increased.

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

<em>Consider the following reactions. </em>

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

the oxidation state of copper is changed from +2 to +1 so copper get reduced.

CO + H₂O   →  CO₂ + H₂

the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized.

5 0
4 years ago
A sample 0. 100 moles of a gas is collected at at stp. What is the volume of the gas in liters?
andrew11 [14]

A sample 0. 100 moles of a gas is collected at at STP . 2.24 is the volume of the gas in liters.

The STP means standard temperature and pressure.

At STP,

Temperature = 0 °C =273 K

Pressure = 1 atm

We get value of volume by using ideal gas equation,

PV = nRT

  • P is the pressure of the gas = 1 atm
  • V is the volume occupied by the gas = ?
  • n is the number of the moles = 1 mole
  • T is the temperature of the gas = 273 K or  0 °C
  • R universal gas constant = 8.31 J/ mole × K

Calculation,

Since, one mole of a gas occupy 22.4 L volume at STP

So, for 0.1 mole volume occupy = 22.4L × 0.1 mole/1 mole =  2.24L

To learn more about volume at STP,

brainly.com/question/1542685

#SPJ4

6 0
1 year ago
Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He. W
Alona [7]

Answer:

Mole Fraction of O2 --> 0.42

Mole Fraction of Ar --> 0.037

Explanation:

8 0
3 years ago
A barrel weighs 5492 grams, how much pounds does it weigh
Dmitriy789 [7]

Answer: 12.108 pounds

5 0
4 years ago
Read 2 more answers
71% of earths surface is covered in water. how much of it is fresh water and how is it distributed
lukranit [14]

3% icebergs, lakes, rivers, and ground water
3 0
4 years ago
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