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Ksenya-84 [330]
4 years ago
8

Which of the following would introduce bias into an experiment?

Chemistry
2 answers:
Nastasia [14]4 years ago
5 0
I believe it is A or D. since "<span>Scientific bias is the assumption that a </span>theory<span> is true or false without evidence one way or another, or the attempt to dismiss or discourage research efforts to confirm or deny the </span>theory<span> "</span>
konstantin123 [22]4 years ago
4 0
D) because a bias opinion would be discarding other opinions you may not agree with
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Ionic and polar compounds usually dissolve in which solvents?
vampirchik [111]
Three of the intermolecular forces of attraction are roughly equal, the substances<span> will be </span>soluble in each other, <span>This means that </span>ionic<span> or </span>polar<span> solutes </span>dissolve<span> in </span><span>polar solvents</span>
3 0
4 years ago
Dinitrogen pentoxide is used in the preparation of explosives. If 7.93 mol of
Tpy6a [65]

The volume of O₂ produced: 84.6 L

<h3>Further explanation</h3>

Given

7.93 mol of  dinitrogen pentoxide

T = 48 + 273 = 321 K

P = 125 kPa = 1,23365 atm

Required

Volume of O₂

Solution

Decomposition reaction of dinitrogen pentoxide

2N₂O₅(g)→4NO₂(g)+O₂ (g)

From the equation, mol ratio N₂O₅ : O₂ = 2 : 1, so mol O₂ :

= 0.5 x mol N₂O₅

= 0.5 x 7.93

= 3.965 moles

The volume of O₂ :

\tt V=\dfrac{nRT}{P}\\\\V=\dfrac{3.965\times 0.082\times 321}{1.23365}\\\\V=84.6~L

5 0
4 years ago
What is the significance of the fact that chromosomes condense before they are moved.
natka813 [3]

Answer:

It allows for easier division of the sister chromatids into two identical chromosomes, one for each cell, and helps to prevent mistakes. You just studied 2 terms!

Explanation:

7 0
3 years ago
The thioketal product of a certain reaction is given below. draw the structure of:
SVETLANKA909090 [29]

https://images.app.goo.gl/NnQUnwKUPa7d2nAt5 go here to get to get your anwser

8 0
3 years ago
The pH scale runs from 0 to 14, and is an indication of how acidic or basic a solution is. A pH close to zero indicates a(n) ___
ivanzaharov [21]
Acidic, basic. Also, 7 is neutral. Hope it helps! :)
4 0
3 years ago
Read 2 more answers
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