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3 years ago

Match the landform to its description.

Chemistry

2 answers:

Alinara [238K]3 years ago

6 0

Answer:

Cinder cone-made of pieces of lava

caldera-bowl-shaped depression

volcanic soil-rich in nutrients

lava plateau-material fills in valleys

shield volcano-wide summit, gentle slope

Explanation:

Just did it

vodomira [7]3 years ago

6 0

Answer: See image

Explanation: match the landform to its description

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Liula [17]

Answer:

yes

Explanation:

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4 0

3 years ago

How many moles of silicon are in 5.9 X 10 to the 24 power atoms of silicon

Dimas [21]

Answer:

9.79740949850 moles

Explanation:

1 mole = Avogardo's Number <<6.022 E 23 <<particles, atoms, etc.>>
This problem can be solved using dimensional analysis by multiplying atoms (5.9E24 atoms) by (1) mole and then dividing the number by Avogardo's number (6.022 E 23 atoms).
Note: E = * 10

Side Note: Please let me know if you need any clarifications about this!

8 0

3 years ago

Read 2 more answers

Determine the oxidation number of sodium in Na202

Olegator [25]

Answer:

Explanation:

Na₂O₂

NOTE: the oxidation number of oxygen is always –2 except in peroxides where it is –1.

Thus, we can obtain the oxidation number of sodium (Na) in Na₂O₂ as illustrated below:

Na₂O₂ = 0 (oxidation number of ground state compound is zero)

2Na + 2O = 0

O = –1

2Na + 2(–1) = 0

2Na – 2 = 0

Collect like terms

2Na = 0 + 2

2Na = 2

Divide both side by 2

Na = 2/2

Na = +1

Thus, the oxidation number of sodium (Na) in Na₂O₂ is +1

5 0

3 years ago

Salt dissolved in water is a solution, therefore _____.

vesna_86 [32]

Therefore salt can be dissolved in water as the water acts as a solvent to the salt that is the solute so it dissolves

hope that helps

4 0

3 years ago

CH3COOH

Nutka1998 [239]

Answer:

the water which are very healthy is known as hydrated water

8 0

3 years ago