Mixtures and solutions... what?
Answer:
The incomplete and varying inversion of configuration takes place at the chirality center.
Explanation:
When optically active alcohols react with HBr an SN1 reaction occurs.
In SN1 reactions an intermediate carbocation is formed in which the nucleophile can attack it on either side of the molecule. Therefore, there is a partial inversion of the center of chilarity of the molecule.
Which components make up bronfenbrenner's ecological theory?
Bronfenbrenner divided the person's environment into five different systems:
- microsystem
- mesosystem
- exosystem
- macrosystem
- chronosystem.
What is bronfenbrenner's ecological theory?
- Bronfenbrenner's ecological systems theory views child development as a complex system of relationships affected by multiple levels of the surrounding environment, from immediate settings of family and school to broad cultural values, laws, and customs.
- To study a child's development then, we must look not only at the child and her immediate environment, but also at the interaction of the larger environment as well.
- The microsystem is the most influential level of the ecological systems theory.
- This is the most immediate environmental settings containing the developing child, such as family and school.
- Bronfenbrenner's ecological systems theory has implications for educational practice.
To know more about bronfenbrenner's ecological theory, refer:
brainly.com/question/15462995
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Answer:
200 L per day
Explanation:
If there is 1 mg of F- per L of water, we can calculate the volume for 2 g like this:
1) Converse the toxic mass of fluoride to miligrams
1 g ------- 1000 mg
0.2 g ---- X
X = 200 mg
2) Calculate the liters of fluoridated drinking water that a person can consume to reach 200 mg
1 mg -------- 1 L
200 mg ---- X
x = 200 L
I think it is D but im not sure
