How many electrons are in a carbon 13 (13c) atom?

Answers

Answer 1

Answer: There are 6 electrons in an atom of carbon 13. Hope this helps!

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What compound is O2H?
A roller coaster track is 3,000 meters long. It takes 100 seconds to travel once around the roller coaster. What is the average speedof the roller coaster? Is the velocity constant throughout the trip Explain.
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Lisa wrote the following steps in the formation of metamorphic rocks.Step 1: Rocks pushed up onto Earth's surface due to movement of tectonic platesStep 2: Rocks experience extreme heat and pressureStep 3: Mineral composition of rocks changesStep 4: Original rocks transform into a new rockWhich step contains an error?

Why should you keep the thermometer in the middle of a jar of water when you are taking the temperature. Why should you not put the thermometer in at the side?

Answers

You put in the middle bucause when you put it on the side it reads the temperature of the glass!

Hopethis helps

You should put it in the middle of he jar beacuse if you put it in he side it will be difficult to understand

When the pressure changes from 1417 psi to psi the volume changes from 0.145 L to 0.878 l and the temperature changes from 287 k to 196k

Answers

Answer:

When the pressure changes from 1417 psi to 160.186 psi the volume changes from 0.145 L to 0.878 l and the temperature changes from 287 k to 196 k

Explanation:

According to general gas equation:

P₁V₁/T₁ = P₂V₂/T₂

Given data:

Initial volume = 0.145 L

Initial pressure = 1417 psi (1417/14.696 =96.42 atm)

Initial temperature = 287 K

Final temperature = 196 K

Final volume = 0.878 L

Final pressure = ?

Formula:

P₁V₁/T₁ = P₂V₂/T₂

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure

V₂ = Final volume

T₂ = Final temperature

Solution:

P₂ = P₁V₁ T₂/ T₁ V₂

P₂ = 96.42 atm × 0.145 L × 196 K / 287 K × 0.878 L

P₂ = 2740.26 atm .L. K / 251.99 k. L

P₂ = 10.9 atm

atm to psi:

10.9 × 14.696 = 160.186 psi

Answer:

160.186 psi

Explanation:

1a) 2 properties that glass and plastic always share1b) 2 properties that glass and plastic sometimes share
2) What advantages do bottles made from plastic have?
3) What disadvantages are there when you use plastic bottles?
4) Why are plastic bowls not used for heating on a cooker?
5) What are the disadvantages of using metal for a toy for a baby?
6) Why is plastic often used for children's toys?
7) What properties would you look for in materials to make a kite?

Answers

1a) malleable and rigid
1b) ??
2) recyclable and reusable
3) plastic from crude oil and the process of fractional distillation to obtain plastic pollutes and harmful chemicals can be used when making the bottles
4) because the plastic will melt
5) it can rust
6)lightweight, is malleable so can be easily shaped
7) Lightweight materials so it can take off through the wind

Hope the helps xxx

Answer:

1a) Chemical inertness

1b) transparency

2) extremely less brittle

3) they can melt very easily under moderate heat.

4) they have low melting point

5) metals are hard, meaning they can easily injure a baby. Metals are good absorbers and radiators of heat.

6) they are less hard when compared to metals so they are less probable to cause injuries to kids.

7) material with very low density.

Tissues combine to form …A cells
B organs
C organ systems
D organisms

Answers

Answer:

B Organs

Explanation:

Cells come together to form tissue Tissue comes together to for Organs Organs come together to form Organ Systems Organs Systems come together to form Organisms

What does percent composition tell you about a substance

Answers

Explanation:

Percentage composition tells you the percentage of each element present in a compound or molecule. This allows you to work out the number of atoms of each element present in the molecule. Percent composition is important because it allows us to determine the percentage of each element that makes up a specific compound. Percent composition is important because it allows us to determine the percentage of each element that makes up a specific compound.

Answer:

It tells you what the substance is made of.

Explanation:

Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?

Answers

Carbon dioxide is a pure compound, consisting of two kinds of atoms that are bonded together.

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