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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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All bodies of water make up Earth’s _________. (1 point) atmosphere asthenosphere hydrosphere lithosphere
elixir [45]

Answer:

These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres.

Explanation:

These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres.

4 0
3 years ago
Read 2 more answers
Which of the following compounds does NOT contain molecules?<br> O CO2<br> ОН2<br> O Naci<br> OH20
wel

Answer:

Explanation:

NaCl does not contain molecules

7 0
3 years ago
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What is the molar mass of CH2O2 ? ( C= 12.01 g/mol, H=1.008 g/mol, O=16.00)
son4ous [18]

Answer:

Molar Mass of CH2O2 is 46.026

Explanation:

What is the molar mass of CH2O2 ? ( C= 12.01 g/mol, H=1.008 g/mol, O=16.00)

C = 12.01g/mol

H = 1.008g/mol

O = 16g/mol

CH2O2 = 12.01+1.008x2+16x2 = 46.026g/mole

8 0
3 years ago
1. A substance containing two or<br>more elements bonded together.​
stira [4]

Answer:

it's molecule

i have to solve it in 20 characters XD

8 0
3 years ago
PLS FAST WILL GIVE BRAINLIEST!!Substance are either ________________ or _______________.
alina1380 [7]

Answer:

elements or compounds

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3 years ago
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