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nekit [7.7K]
2 years ago
14

What common items used today were invented during the war.

SAT
1 answer:
Ronch [10]2 years ago
7 0
One was, synthetic fabrics
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Identify the oxidation numbers for all the elements in the reactants and products for 2mno4−(aq)+3s2−(aq)+4h2o(l)→3s(s)+2mno2(s)
Sidana [21]

The oxidation number if eah of the elements is as follows;

  • Oxidation number of Mn is + 7 on the right hand side and +4 on the right hand side
  • Oxidation number if hydrogen is +1 on both sides
  • The oxidation number of oxygen is -2 on both sides
  • The oxidation number of sulfur is -2 on the lefthand side and zero on the right hand side.

<h3>What is a redox reaction?</h3>

A redox reaction is one in which there is a change in the oxidation number of the reactants from left to right.

Let us now consider the oxidation  number of each element from left to right;

  • Oxidation number of Mn is + 7 on the right hand side and +4 on the right hand side
  • Oxidation number if hydrogen is +1 on both sides
  • The oxidation number of oxygen is -2 on both sides
  • The oxidation number of sulfur is -2 on the lefthand side and zero on the right hand side.

Learn more about oxidation number: brainly.com/question/15167411?

3 0
1 year ago
Use finite differences to determine the degree of the polynomial
dybincka [34]

Answer:

Step-by-step explanation:

4 0
2 years ago
Explain why a + b = d
marysya [2.9K]

Answer:

yes

Explanation:

8 0
2 years ago
The distance between two cities on a map is 3. 5 centimeters. The map uses a scale in which 1 centimeter represents 20 kilometer
Elza [17]

Answer:

70km

Explanation:

\frac{20}{1}  \times 3.5

= 70

4 0
2 years ago
What are the elements of a good study environment? select four options. it is well lit. resources are near. it is quiet. a frien
ozzi

The elements of a good study environment are that it must be well lit, the resources are near, it is quite and it is clutter free.

The correct options are A, B, C, E.

Study environment is a term used to describe the physical, psychological, and social settings that influence how you perceive your studies and your well-being as a student. Although the phrase "study environment" is frequently used, the law frequently refers to the workplace of students.

The key is to select a place with few distractions, a quite, soothing setting, clutter free where you can concentrate and do your task. You may teach your brain to focus just on studying and not on your to-do list or other distractions by designating a specific place for your schooling.

The complete question is

What are the elements of a good study environment? Check all that apply.

A. It is well lit

B. Resources are near

C. It is quiet.

D. A friend is nearby

E. It is clutter free.

To learn more Study environment, refer

brainly.com/question/14580267

#SPJ4

3 0
1 year ago
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