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Margaret [11]
3 years ago
14

What are half-reactions?

Chemistry
1 answer:
andreev551 [17]3 years ago
7 0

Answer:

A

Explanation:

A Equations showing which elements are oxidized and which are

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What is an experimental control
attashe74 [19]

The experimental control is the standard used as a comparison for the experimental groups.


For example, you may be trying to find out how different types of disinfectants affect bacterial growth.  The control group would receive <em>no</em> disinfectant whereas the experimental groups would be the ones on which the disinfectants were tested.


Hope this makes sense!

3 0
3 years ago
Which of the following describes a scenario in which the molecular geometry would have the smallest bond angle(s)? (A) four bond
maw [93]

Answer: The correct answer is "B" two bonding domains(or bonding pairs) or two non bonding domains(or lone pairs)

Explanation:

Molecular geometry/structure is a three dimensional shape of a molecule. It is basically an arrangement of atoms in a molecule.It is determined by the central atom, its surrounding atoms and electron pairs.According to VSEPR theory, there are 5 basic shapes of a molecule: linear, trigonal planar, tetrahedral, trigonal bipyramidal and octahedral.

A)Four bonding domains and zero non bonding domains: shape is tetrahedral and bond angle is 109.5°

B)Two bonding domains and two non bonding domains(lone pairs): shape is bent and bond angle is 104.5°

C)Three bonding domains and one non bonding domain: shape is trigonal pyramidal and bond angle is 107°

D)Two bonding domain and zero non bonding domain: shape is linear and bond angle is 107°

E)Two bonding domain and one non bonding domain: bent shape and bond angle is 120°

F)Three bonding domains and zero nonbonding domain: shape is trigonal planar and bond angle is 120°

Hence Two bonding domains and two non bonding domains have the smallest bond angle.

6 0
3 years ago
What is the definition of a homogeneous mixture?
sammy [17]

Answer:

A homogenous mixture is a mixture that is uniform in composition. This means that you cannot apart the individual elements that make up the mixture.

Explanation:

5 0
3 years ago
Which alkaline earth metal is a component of gypsum​
Allisa [31]

Answer:

calcium is the correct answer :)

4 0
3 years ago
Read 2 more answers
Can someone help me with this
Trava [24]

Answer:

I think cold front if not than its c

7 0
2 years ago
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