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fenix001 [56]
4 years ago
15

1. what is volume?

Chemistry
2 answers:
bazaltina [42]4 years ago
4 0

Hello!

Answer:

1. D.

2. A.

Explanation:

↓↓↓↓↓↓↓↓↓↓↓

Volume is the amount of space that an object takes up. Volume is constant for solids and liquids; it varies for gases. The volume of an object can be measured in many ways. For a regular solid, use formulas like V=l*w*h or V=B*h. For an irregular solid, use the water displacement method. For a liquid, use a graduated cylinder. Common units for volume include cubic centimeters, milliliters, and liters. Volume is a physical property. Mass is the amount of matter in an object. The mass of an object is constant. Mass is measured with a balance. Common units for mass are grams and kilograms. Hope this helps! Thank you for posting your question at here on brainly. -Charlie

gavmur [86]4 years ago
3 0
1) D) The amount of space a substance takes up 
2) A) The amount of matter in a substance 
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4 0
3 years ago
What does Hund's rule state?
telo118 [61]

Answer:

Explanation:

Hund's Rule of Maximum Multiplicity states that electrons go into degenerate orbitals of sub-orbitals(p, d and f) singly before pairing commences.

Hund's rule is useful in determining the number of unpaired electrons in an atom. Hence, it explains some of the magnetic properties of elements.

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4 years ago
Which one of Steno’s principles is responsible for the thin undisturbed layers found in the Grand Canyon?
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Answer:

Explanation:

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4 0
3 years ago
The average radius of a molecule of lysozyme, an enzyme in tears, is 1430. pm. What is its radius in centimeters (cm)? (Enter yo
mart [117]

Answer:

1.43 ×10⁻⁷ cm

Explanation:

Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

for example the number 6324.4 in scientific notation will be written as = 6.3244 × 10³

Radius of molecule of lysozyme:

1430 pm

In centimeter:

1430/10¹⁰

1.43 ×10⁻⁷ cm

The expanded notation is standard notation of writing the numerical values which is normal way. The numbers are written as they are, without the power of 10 such as, 1430 pm.

6 0
3 years ago
Which variable is the difference between the control and experimental group?
Yuki888 [10]

The only difference between the control and the experimental group is the independent variable.

The control group receives no treatment, or a constant independent variable. The experimental group receives a treatment, which is the altering of the independent variable.

Hopefully I helped :)

7 0
3 years ago
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