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mash [69]
4 years ago
12

Which part of the atom forms chemical bonds?

Chemistry
2 answers:
Leokris [45]4 years ago
8 0
Out of the choices given, the part of the atom that forms chemical bonds are the outermost electrons. The correct answer is B. 
kompoz [17]4 years ago
7 0
B. The outermost electrons or the valence electrons of a given atom form chemical bonds that are covalent. These electrons are involved in chemical bonding.
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Calculate the volume of carbon dioxide and water vapour produced and the volume of oxygen remaining, when 20.0 dm3 of propane re
laiz [17]

Answer:

80cm3 of water, and 60cm3 carbon IV oxide is formed while 20cm3 of oxygen is left unreacted.

Explanation:

From Gay-Lussac's law, there are five volumes of oxygen, 1 volume if propane, 4 volumes of water and three volumes of CO2. Applying this shows the reacting volumes as we have in the image attached, hence the volumes left after reaction.

6 0
3 years ago
Calculate the density of a water bottle with a mass of 4 grams and a volume of 100ml.
lilavasa [31]

Answer:

density is 40

Explanation:

6 0
3 years ago
A 125 mL bubble of hot gases at 213 ∘C and 1.77 atm is emitted from an active volcano. Part A What is the final temperature, in
Svetach [21]

Answer:

T₂  = 242 K

Explanation:

According to general gas equation:

P₁V₁/T₁ = P₂V₂/T₂

Given data:

Initial volume = 125 mL

Initial pressure = 1.77 atm

Initial temperature = 213 °C (213 +273 = 486 K)

Final volume = 136 mL

Final pressure = 0.810 atm

Final temperature = ?

Solution:

P₁V₁/T₁ = P₂V₂/T₂

T₂ = P₂V₂T₁ / P₁V₁

T₂ = 0.810 atm × 136 mL × 486 K / 1.77 atm× 125 mL

T₂  =  53537.76 atm .mL.  K  / 221.25 atm . mL

T₂  = 242 K

6 0
3 years ago
HELP ME PLEASE: The image at the left shows three stars in the constellation Orion: Betelgeuse (A), Mintaka (B), and Rigel (C).
Tamiku [17]

Answer:A Betelgeuse

Explanation:

8 0
3 years ago
Read 2 more answers
Please Solve this! I need help
Delicious77 [7]

Answer:

To plot a graph, you put the independent variable on the y-axis and the dependent on the x-axis. This might sound really hard, but it's not.

A dependent variable is something that is changed by other factors. For example, in this question, the temperature is dependent on the time. You can't change time by temperature, it's impossible. But you CAN change temperature by the more time that goes by. This makes Time independent and Temperature Independent.

You write the graph so that Time (1-10) goes up the side (the y-axis), starting from the bottom left (this point is called the origin). Then you write the Temperature on the bottom, from left to right. The numbers you are given have to have the same amount of points (the little squares you see) in between them, and you have to be able to fit all of the numbers on the graph.

The last step is to plot the points on the graph so they match up. If the time is 1, then you go to where the time says one and move over to the right to where it is the correct temperature. That is where you put your point. You keep doing this until you have all the points plotted and you can connect the dots.

Explanation:

8 0
4 years ago
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