3 years ago

What is the difference between a continuous spectrum and a line spectrum? Give a source of each

1 answer:

7 0

Continuous spectrum and line spectrum are two types of spectra; their main difference is that continuous spectrum contains no gaps whereas line spectrum contains many gaps.

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What molecules must the plant take in so the process of photosynthesis can occur

lilavasa [31]

Answer:

Glucose molecules

Explanation:

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3 years ago

What do oxygen, silicon, and selenium have in common? How might this relate to their organization on the periodic table?

Sonbull [250]

Answer:

They all belong to the p block in the periodic table

Explanation:

Let us examine the electronic configuration of each element;

Oxygen - [He] 2s2 2p4

Silicon - [Ne] 3s2 3p2

Selenium - [Ar] 4s2 3d10 4p4

A common thread that joins all the elements listed above is that they all belong to the p-block in the periodic table. They could be collectively referred to as p-block elements.

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3 years ago

The mass of sample A is 100.0 g, then removed it from a graduated

yan [13]

Answer: 25g/ml

Explanation:

Density = 100.0g/ 4.0mL = 25g/mL

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3 years ago

How many moles are in 60.66 g CF2Cl2

mafiozo [28]

There are 0.501 moles in 60.66g of CF2Cl2

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4 years ago

A titration required 42.00 mL of 0.150 M NaOH. How many moles of NaOH is this?

NARA [144]

Answer:

0.006342moles

Explanation:

1000ml of NaOH contain 0.151moles

42ml of NaOH contain (42*0.151)/1000 moles

=0.006342moles

8 0

2 years ago