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ra1l [238]
3 years ago
7

PLZ HELP I WILL GIVE U BRAINLEST PLZ HELP!!!!!!!!!!

Chemistry
2 answers:
sergeinik [125]3 years ago
7 0
My answer is A. I'm probably wrong. in bad in this subject
xenn [34]3 years ago
6 0
Hi there!!!!!!

The correct answer is C. hydrogen.

Hope this helps!!!

let me know if it's correct.

~ TRUE BOSS

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Ending Transsmission definition<br> pls put the definition
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When the act or process of a transmission stops

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3 years ago
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3) (4.5 x 10-14) x (5.2 x 103) = ?
Otrada [13]

Answer:

16603.6

or

1.66036 x 10^4

Hope this helps! ^_^

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Which civilization formed a confederation thay may have impacted the us government
lana66690 [7]

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Anasazi

Explanation:

3 0
3 years ago
Exactly 5000 mL of air at 223K is warmed and has a new volume of 8.36 liters. What is the new temperature?
34kurt

Answer:

The new temperature is 373 K

Explanation:

Step 1: Data given

Volume air = 5000 mL = 5.0 L

Temperature = 223K

New volume = 8.36 L

Step 2: Calculate the new temperature

V1/T1 = V2/T2

⇒V1 = the initial volume = 5.0 L

⇒T1 = the initial temperature = 223 K

⇒V2 = the new volume = 8.36 L

⇒T2 = the new temperature

5.0/223 = 8.36 /T2

T2 = 373 K

The new temperature is 373 K

7 0
3 years ago
The relative atomic mass of Chlorine is 35.45. Calculate the percentage abundance of the two isotopes of Chlorine, 35Cl and 37Cl
nata0808 [166]

Answer:

35Cl = 75.9 %

37Cl = 24.1 %

Explanation:

Step 1: Data given

The relative atomic mass of Chlorine = 35.45 amu

Mass of the isotopes:

35Cl = 34.96885269 amu

37Cl = 36.96590258 amu

Step 2: Calculate percentage abundance

35.45 = x*34.96885269 + y*36.96590258

x+y = 1  x = 1-y

35.45 = (1-y)*34.96885269 + y*36.96590258

35.45 = 34.96885269 - 34.96885269y +36.96590258y

0.48114731 = 1,99704989‬y

y = 0.241 = 24.1 %

35Cl = 34.96885269 amu = 75.9 %

37Cl = 36.96590258 amu = 24.1 %

3 0
3 years ago
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