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Blababa [14]
3 years ago
11

A self-contained living thing

Chemistry
1 answer:
sleet_krkn [62]3 years ago
3 0
The correct answer Organism
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Please help! Can someone give me answers for 2.08 Graded Assignment: Boiling and Melting Points Exploration for 8th grade scienc
Alborosie

Answer:

1. Looking at the line plots on your graph, describe how boiling point and melting point vary with respect to atomic number.

      As the atomic number increases, the boiling point increases due to there being more electrons, which creates a larger strength of negative charge around the nucleus of the atom.  

2. Now look at the segment of the graph between the two data points marked with black squares. Describe how the boiling point and melting point plots behave between these points. Be as specific as possible.

The graph shows relation between the melting point and the boiling point

3. On your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. Locate these elements on your periodic table. What term or description would you use to identify these elements with respect to the periodic table?

All of these elements can be found in the second period of the periodic table.

6. After reviewing your answers to questions 2 and 4 above, would you define boiling point and melting point as a periodic table family trend (vertical groups), period trend (horizontal rows), or neither? Explain your answer.

     Neither, boiling and melting point per element varies from element to element on the periodic table. Family trends and period trends determine what kind of element each aspect is.  

7. Using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. Explain your answers.

Gas would be room temperature because it fills up its container and helps the temperature of the room.

Explanation:

4 0
3 years ago
A car is traveling at a speed of 95 mi/h. If there are 0.62137 miles (mi) in a kilometer,
SIZIF [17.4K]

Answer:

42 m/s

Explanation:

To we convert units for speed we can use dimensional analysis. First thing we do is seperate the measurement into a fraction. After this we can multiply by 1km over 0.62137 miles. We do this so that the miles cancel out.

\frac{95mi}{h} × \frac{1km}{0.62137mi} = \frac{95km}{0.62137h}

After this we can use a conversion factor and divide by 3.6.

\frac{95km}{0.62137h} ÷ 3.6 = 42 m/s

4 0
3 years ago
What is the mass of one mole of beryllium if the atomic mass of beryllium is 9.01? 9.01 amu 9.01 mg 9.01 g 9.01 kg
V125BC [204]
The molecular weight of an atom is equal to the weight in grams of 1 mole of that substance.  Since Be is 9.01 amu, then 1 mol of Be is 9.01 g
8 0
4 years ago
The distance between Jupiter and the Sun is 5.2 AU. What is the distance in millions of kilometers? (One AU is about 150 million
mario62 [17]
Answer is B. 780 million kilometers. Hope this helps!
3 0
3 years ago
Read 2 more answers
How many moles of MgSiO3 are in 193g of the compound?
MissTica
Molar mass of MgSiO3=24.3+28.1+3(16)=100.4
number of moles in 193 g
=193/100.4
=1.922 mol
=1.92 mol (rounded to 3 significant figures)
4 0
3 years ago
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