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Ivan
3 years ago
8

PLEASE HELP ILL GIVE BRIANLIST ANSWER

Chemistry
1 answer:
kicyunya [14]3 years ago
3 0

Answer: when water is evaporated from the earth whether that be from bodies of water or plants, when it goes up higher, the temperature drops, causing the water droplets to condense, which means form water. This creates clouds and when the clouds get too big and full, precipitation (rain) happens and the rain falls to the earth. This cycle is then repeated.

Explanation:

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in terms of conductivity and electronegativity, what are the characteristics in Group 2 on the periodic table?
shusha [124]
Group 2 contains soft, silver metals that are less metallic in character than group 1 elements. There is a fairly strong conductivity trend within each row, left to right, and a weaker trend top to bottom. The elements in group 2 are moderately good conductors, while the elements on the right are very poor conductors. <span>As you move vertically between rows, conductivity decreases overall, but slowly.

Group 2 have a generally low electronegativity. Electronegativity decreases moving left and down across the table.</span>
4 0
3 years ago
Use scientific (exponential) notation to express the following quantities in terms of the SI base units in Table 1.3 :
lisov135 [29]

Answer:

a) 0.13 g = 0.13X0.001 kg = 1.3 X 10⁻⁴ kg

b) 232 Gg = 232 X  1000000 kg = 2.32 X 10⁸ kg

c) 5.23 pm = 5.23 X 10⁻¹² m

d) 86.3 mg = 86.3 X 10⁻⁶Kg = 8.63 X 10⁻⁵Kg

e) 37.6 cm = 37.6 X 10⁻² m = 3.76 X 10⁻¹m

f) 54 = 5.4 X 10¹

g) 1 Ts = 10¹² seconds

h ) 27 ps = 27 X 10⁻¹² s= 2.7 X 10⁻¹¹ s

i) 0.15 mK = 1.5 X10⁻⁴ K

Explanation:

A scientific notation is a representation of any number which is very large or very small. It is simplification of writing a number.

The SI units of

i) weight = Kg

ii) length = meter

iii) time = second

iv) temperature = K

a) 0.13 g = 0.13X0.001 kg = 1.3 X 10⁻⁴ kg

b) 232Gg

1 Gg = 1000000 kg

232 Gg = 232 X  1000000 kg = 2.32 X 10⁸ kg

c) 5.23 pm

1 pm = 10⁻¹² m

5.23 pm = 5.23 X 10⁻¹² m

d) 86.3 mg

1mg = 10⁻⁶Kg

86.3 mg = 86.3 X 10⁻⁶Kg = 8.63 X 10⁻⁵Kg

e) 37.6cm

1 cm = 10⁻² m

37.6 cm = 37.6 X 10⁻² m = 3.76 X 10⁻¹m

f) 54 (no units)

54 = 5.4 X 10¹

g) 1 Ts = 10¹² seconds

h ) 27 ps

1 ps = 10⁻¹² s

27 ps = 27 X 10⁻¹² s= 2.7 X 10⁻¹¹ s

i) 0.15 mK

1mK = 10⁻³ K

0.15 mK = 1.5 X10⁻⁴ K

5 0
3 years ago
There are two different isotopes of bromine atoms. Under normal conditions, elemental bromine consists of Br2 molecules, and the
Anon25 [30]
Your answer would be A and D love!
3 0
3 years ago
The acid from burning coal is rained back down onto the planet surface and reacts with
jeka94
What? Why does it have a question mark it makes no sense because there isn’t any options and you didn’t explain what the question is about.
4 0
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Is a hollow tube that serves as passageway of air into the luns
KIM [24]

Answer:

The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi

Explanation:

7 0
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