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zysi [14]
3 years ago
11

Which of these is a characteristic of warm air?

Chemistry
1 answer:
jeka57 [31]3 years ago
7 0

Answer: B.

Explanation:

Warm air molecules are far apart, while cool air molecules are packed closer together.

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2. Which of the following statements about inertia is correct?
Rina8888 [55]

Answer:

D

Explanation:

i think

8 0
3 years ago
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A third baseman throws a ball from third to first. The ball travels a 20 m/s of 2 seconds. What is the distance between third ba
umka21 [38]

Answer:

the answer would be D

Explanation:

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3 years ago
Which of the following has a polar covalent bond? b. Which of the following has a bond closest to the ionic end of the bond spec
Marizza181 [45]

Explanation:

<u>Polar covalent bonding is the type of the chemical bond in which the pair of the electrons is unequally shared between the two atoms.</u> As a result, the atom with higher value of electronegativity acquires a slightly negative charge and the atom with lower value of electronegativity acquires a slightly positive charge.

In the molecule of CH_3NH_2, the bond which is closest to ionic end of bond spectrum is <u>N-H bond</u> because the nitrogen atom is more electronegative than hydrogen and is ionic in nature.

In the molecule of CH_3CH_3, the bond which is closest to ionic end of bond spectrum is <u>no one</u> because there is not much difference between carbon and hydrogen for the bond to be said as ionic.

In the molecule of CH_3OH, the bond which is closest to ionic end of bond spectrum is <u>O-H bond</u> because the oxygen atom is more electronegative than hydrogen and is ionic in nature.

5 0
3 years ago
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Scientist name: ______________
nikitadnepr [17]
This is easy… like you can’t take 20 min to search this up in Googl
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3 years ago
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I went for a walk the other day. I went four blocks east, then seven blocks south, then one block west and finally
nalin [4]

Answer:

a) distance is 4+7+1+8=20 blocks

b) displacement is 10 blocks

Explanation:

find displacement: x and y

x axis displacement = 4-1 = 3 blocks

y axis displacement = -7+8= 1 block

displacement = the square root of 3^2 + 1^2

= 9+1 = 10 blocks.

You can find the angle of displacement with respect to the initial position using trig identities, if you wish.

4 0
3 years ago
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