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telo118 [61]
3 years ago
14

Which of the following represents a compound? Na CO2 Со Mn

Chemistry
1 answer:
eduard3 years ago
5 0

Answer:

CO2

Explanation:

Carbon dioxide is a chemical compound that consists of two oxygen atoms and one carbon atom

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What is one benefit and one negative of the Gulf Stream
luda_lava [24]

This is a benefit I’m not sure if a negative

This strong current of warm water influences the climate of the east coast of Florida, keeping temperatures there warmer in the winter and cooler in the summer than the other southeastern states. Since the Gulf Stream also extends toward Europe, it warms western European countries as well.

6 0
3 years ago
A bullet seized from a crime scene has a composition of lead 11.6 g, tin 0.5 g, and
Vanyuwa [196]

Answer:

92.8%

Explanation:

Step 1: Given data

  • Mass of lead in the bullet (mPb): 11.6 g
  • Mass of tin in the bullet (mSn): 0.5 g
  • Mass of antimony in the bullet (mSb): 0.4 g

Step 2: Calculate the total mass of the bullet

The total mass of the bullet is equal to the sum of the masses of the elements that form it.

m = mPb + mSn + mSb = 11.6 g + 0.5 g + 0.4 g = 12.5 g

Step 3: Calculate the mass percentage of Pb in the bullet

We will use the following expression.

%Pb = mPb / m × 100%

%Pb = 11.6 g / 12.5 g × 100% = 92.8%

3 0
3 years ago
A rancher rode his horse around a piece of property for 6 hours to search for breaks in the fence, and then rode home. The diagr
blondinia [14]
I think c
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5 0
3 years ago
Read 2 more answers
HELP FAST PLEASE!!
Anettt [7]

Answer:

the answer is A

Explanation:

i took the test on edg.                  sorry it is so late:(

7 0
3 years ago
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Based on the information above, what is average speed of the toy car?
navik [9.2K]

The average speed of the toy car : 0.2 m/s

<h3>Further explanation</h3>

Given

The motion of a toy car

Required

The average speed

Solution

Average speed = total distance/total amount of time ,

From the graph :

Total distance travelled : 4

Total time : 20 s

The average speed = total distance (d) : total time (s)

The avg speed = 4 : 20

The avg speed = 0.2 m/s

3 0
3 years ago
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