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goldfiish [28.3K]
3 years ago
7

How many atoms in a 40 L sample of Ne?

Chemistry
1 answer:
Luda [366]3 years ago
3 0
I think 1 I’m not sure though
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If 1/4 cups are in 1 serving jow many servings are in 4 cups​
mote1985 [20]

Answer:

One serving is 1/4 cup therefore 1 cup would be 4 servings. Since we have 9 cups we would then multiply 9 x 4 and the answer would be 36 servings. You have a ratio of cups to serving, so 1/4 cup : 1 serving, or .

Explanation:

7 0
3 years ago
The major use of carbon dioxide​
lidiya [134]

Answer:

Carbon dioxide is used as a refrigerant, in fire extinguishers, for inflating life rafts and life jackets, blasting coal, foaming rubber and plastics, promoting the growth of plants in greenhouses, immobilizing animals before slaughter, and in carbonated beverages.

3 0
3 years ago
Why is there a bond between the ions in potassium chloride
yKpoI14uk [10]

Answer:

Explanation:

When the two atoms are in contact, potassium transfers its outer electron to chlorine which readily accepts it, resulting in both atoms achieving a state of eight outermost electrons. With this electron transfer, the ionic bond in KCl is formed.

Hope this helped!!!

6 0
3 years ago
The world's record in the 100 m dash is 9.69 seconds and in the 100 yard dash is 9.21 seconds.
Andrews [41]
Speed is equivalent to the distance traveled divided by the time it takes to travel that certain distance. 
To solve this problem convert the units first from meter and yards to miles. 100 metes is 0.0621371mi and 100 yards is 0.0568182 yard. 9.69s = 0.002691667 hr and 9.21s = 0.002558333

A.) 23mi/hr
B.) 22.20mi/hr
8 0
3 years ago
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A weather balloon has a volume of 750ml when filled with helium at 8c at a pressure of 380torr. What is the new volume of the ba
DerKrebs [107]

Answer:

Using general gas laws

P1V1/T1 = P2V2/T2

Where P1=380torr = 380mmHg

Vi = 750ml = 0.75dm3

T1= 8c = 281k

P2=0.2torr= 0.2mmHg

T2= 75c = 348k

V2=?

(380*0.75)/281 = (0.2*V2)/348

V2= 1764.77

Explanation:

3 0
3 years ago
Read 2 more answers
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