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kap26 [50]
2 years ago
12

Which of the following describes how air resistance affects the motion of a falling object?(1 point) Air resistance may change t

he direction of a falling object but does not affect its speed. Air resistance may change the direction of a falling object but does not affect its speed. Air resistance opposes the force of gravity and causes falling objects to lose speed once they reach terminal velocity. Air resistance opposes the force of gravity and causes falling objects to lose speed once they reach terminal velocity. Air resistance opposes the force of gravity and causes an object to reach terminal velocity. Air resistance opposes the force of gravity and causes an object to reach terminal velocity. Air resistance works with gravity to pull a falling object towards the Earth. Air resistance works with gravity to pull a falling object towards the Earth.
Chemistry
1 answer:
inessss [21]2 years ago
6 0

Answer:

Air resistance opposes the gravity in a falling object hence the object loses speed once it reaches terminal velocity.

According to the experim

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When heated, allyl aryl ethers and allyl vinyl ethers undergo a reaction called a Claisen rearrangement, a concerted reorganizat
Alex_Xolod [135]

Answer:

See explanation below

Explanation:

I found a picture of this exercise, to show you how to do this problem.

The first picture is the compound, and the second is the mechanism of reaction to do this claisen rearrangement.

Hope this helps

5 0
3 years ago
when carbon is burned in the air, it reacts with oxygen to form carbon dioxide. when 22.8 g of carbon were burned in the presenc
OverLord2011 [107]

Answer:

So there is83.6g CO2 produced

Explanation:

Burning carbon with air has the following equation

C + O2 → CO2

For 1 mol Carbon, we have 1 mol O2 and 1 mol CO2

Step 2: Calculating moles

mole C = 22.8g / 12g/mole

Mole C = 1.9 mole

1.9 mole C will completely react

Since for each mole C there is 1 mole O2 and 1 mole CO2

This means there will also react 1.9 mole of 02, to be formed 1.9 mole of CO2

mole CO2 = mass CO2 / Molar mass CO2

mass CO2 = 1.9 mole CO2 * 44g/mole =<u>83.6g CO2</u>

In this reaction 18.2 g of O2 remained unreacted

we can control this: 79g - 18.2 g = 60.8g

1.9 mole * 32g/mol = 60.8g

So there is83.6g CO2 produced

4 0
3 years ago
The elements helium, neon, and xenon are all part of the same ______ on a periodic table.
OLga [1]
I think the answer would be b
5 0
3 years ago
Read 2 more answers
How can we prevent rusting of iron??
dimaraw [331]

water plus oxygen equals rust so keep water away from the iron to prevent rusting or dry the iron off then apply alchohol to cleanse it

5 0
3 years ago
A selectively permeable membrane separates solution a and
Yakvenalex [24]
The water molecules will flow from b to a due to osmosis.

Osmosis is where water molecules will flow from a region of higher water potential to a region of lower water potential, through a selectively permeable membrane.

When the water molecule concentration is higher, it has a higher water potential top. Water potential is the tendency for them to flow to a lower region.

The net movement will stop until both sides of the solution has a same water potential.
3 0
3 years ago
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