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podryga [215]
2 years ago
8

The nerves that Branch out from the spinal cord and connect to the body

Chemistry
2 answers:
notka56 [123]2 years ago
7 0
Connect to the body's communication center.
Tatiana [17]2 years ago
4 0
The CNS {central nervous system}
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What hydrogen atom transition has the most energy photon.
Scrat [10]

Answer:

The transition with the greatest distance is 5p → 1s, which is n = 5 going to n = 1. This means this transition also has the largest energy and frequency. Therefore, the electron transition that produces light of the highest frequency in the hydrogen atom is a. 5p → 1s.

Explanation:

The energy requirement order for excitation for different transitions is as follows. n→∏* transition requires lowest energy while σ→σ* requires highest amount of energy

8 0
2 years ago
What is the density of ethane gas, C2H6 at STP
yawa3891 [41]

Answer:

The answer is that ethane gas has a density of 1.34 g/L at STP

Explanation:

Ethane weighs 0.0013562 gram per cubic centimeter or 1.3562 kilogram per cubic meter, i.e. density of ethane is equal to 1.3562 kg/m³; at 0°C (32°F or 273.15K) at standard atmospheric pressure.

7 0
2 years ago
When burning petrol in motor vehicles two gases form which contribute to acid rain. what are the two gases?
sukhopar [10]
Nitrogen and Oxygen react to form Nitrogen Oxides. These gasses irritate the lungs and cause acid rain.
8 0
3 years ago
How many atoms are there in 2.43 g of calcium?
Evgen [1.6K]

Answer:

Explanation:

We're asked to calculate the number of atoms of

Ca

in

153

g Ca

.

What we must first do is convert the given mass of calcium to moles of calcium, using its molar mass (referring to a periodic table, this is

40.08

g

mol

):

153

g Ca

(

1

mol Ca

40.08

g Ca

)

=

3.82

mol Ca

Using Avogadro's number,

6.022

×

10

23

particles

mol

, we can calculate the number of atoms present:

3.82

mol Ca

(

6.022

×

10

23

atoms Ca

1

mol Ca

)

=

2.30

×

10

24

atoms Ca

3 0
2 years ago
4. which answer below is the formula mass of a water molecule?
mars1129 [50]
The answer is 18.02 g/mol
6 0
3 years ago
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