The volume (in dL) of the piece of iron having a mass of 3.92 kg is 4.99 dL
<h3>What is density? </h3>
The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as
Density = mass / volume
<h3>How to determine the volume of the iron</h3>
From the question given above, the following data were obtained:
- Mass of iron = 3.92 kg = 3.92 × 1000 = 3920 g
- Density of iron = 7.86 g/cm³
- Volume of iron =?
Density = mass / volume
Thus,
Volume = mass / density
Volume of iron = 3920 / 7.86
Volume of iron = 498.7277 cm³
Divide by 100 to express in dL
Volume of iron = 498.7277 / 100
Volume of iron = 4.99 dL
Thus, the volume of the iron is 4.99 dL
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A hypothesis is how you think the experiment is going to end
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.
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Answer:There is a iin dipole attraction between two hydrogen atom
Explanation:
The same atoms have the ion dipole attraction between them the same atoms repel each other
Na: +1 (sodium)
S: -2 (sulfur)
=> Na2S
