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Ivanshal [37]
3 years ago
12

How could you ensure that all the spectroscopes used the same calibration line and equation? What would you need to be sure was

always the same? What could be changed without affecting the calibration?
Chemistry
1 answer:
NISA [10]3 years ago
8 0
People had asked this many times and that is why they came up with methods and standards that will answer these type of questions. You can look it up in the NIST or the  National Institute for Standards and Technology.
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If fluorine 20 undergoes beta decay , what will it become ?
e-lub [12.9K]
Fluorine 20 (F - Atomic number 9 and atomic mass 20). Firstly we need to know what is beta decay. Beta decay occurs when one neutron changes into a proton and an electron therefore the atomic mass will remain the same as even though we loose a neutron it is replaced by a proton, the atomic number is always raised by 1 when one beta decay occurs. The produced electron is shot out of the nucleus at an incredible speed. This speedy electron we call a beta particle.

Ok now the reaction.

 20       20        0
F  -> Ne    +     e
 9         10       -1

Remember the atomic number determines the nature of the element ( i.e what elemnt it is).
Hope this helps :).
7 0
3 years ago
Convert 25 liters per hour to milliliters per second.
Dominik [7]

Answer:

6.94444

Explanation:

4 0
3 years ago
Read 2 more answers
How many nitrogen atoms are represented in 2Ca(NO3)2?
arsen [322]

Explanation:

there is 2 nitrogen but if you mean nitrate is 6

4 0
3 years ago
A test tube filled with water is placed over a funnel filled with water and a green plant called Elodea. When the plant is expos
Stells [14]

Answer: The bubbles produced are most likely due to oxygen.

Explanation:

Photosynthesis is a phenomenon in which green plants containing chlorophyll use sunlight as a source of energy to convert carbon dioxide and water to form glucose and oxygen.

The balanced chemical reaction for photosynthesis is:

6CO_2+6H_2O\rightarrow C_6H_{12}O_6+6O_2

Thus the bubbles produced are most likely due to oxygen.

5 0
3 years ago
Which best describes the transition from gas to liquid?
Nina [5.8K]

A - its condensation and gas particles have a higher kinetic energy

8 0
3 years ago
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