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kvasek [131]
2 years ago
9

Layers of sediment forming at the bottom of the ocean

Chemistry
2 answers:
Kruka [31]2 years ago
7 0

Answer: The Process is Deposition

Explanation:

elena-14-01-66 [18.8K]2 years ago
7 0

Answer:

Deposition

Explanation:The accumulation or laying down of matter by a natural process, as in the laying down of sediments in streams or rivers.

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Mitosis occurs during which phase?
lara [203]

Answer:

Prophase

Explanation:

Prophase is the first stage in mitosis, occurring after the conclusion of the G2 portion of interphase. During prophase, the parent cell chromosomes — which were duplicated during S phase — condense and become thousands of times more compact than they were during interphase.

8 0
2 years ago
2C2H6 + 7O2 ------> 4CO2 + 6H2O
Romashka-Z-Leto [24]

We convert the masses of our reactants to moles and use the stoichiometric coefficients to determine which one of our reactants will be limiting.

Dividing the mass of each reactant by its molar mass:

(10 g C2H6)(30.069 g/mol) = 0.3326 mol C2H6

(10 g O2)(31.999 g/mol) = 0.3125 mol O2.

Every 2 moles of C2H6 react with 7 moles of O2. So the number of moles of O2 needed to react completely with 0.3326 mol C2H6 would be (0.3326)(7/2) = 1.164 mol O2. That is far more than the number of moles of O2 that we are given: 0.3125 moles. Thus, O2 is our limiting reactant.

Since O2 is the limiting reactant, its quantity will determine how much of each product is formed. We are asked to find the number of grams (the mass) of H2O produced. The molar ratio between H2O and O2 per the balanced equation is 6:7. That is, for every 6 moles of H2O that is produced, 7 moles of O2 is used up (intuitively, then, the number of moles of H2O produced should be less than the number of moles of O2 consumed).

So, the number of moles of H2O produced would be (0.3125 mol O2)(6 mol H2O/7 mol O2) = 0.2679 mol H2O. We multiply by the molar mass of H2O to convert moles to mass: (0.2679 mol H2O)(18.0153 g/mol) = 4.826 g H2O.

Given 10 grams of C2H6 and 10 grams of O2, 4.826 g of H2O are produced.

8 0
3 years ago
What is the phase change from liquid to gas?
padilas [110]

Answer:

A

Explanation:

vaporization is the process

7 0
3 years ago
Read 2 more answers
Write down at least one example of ketone with its IUPAC name
Scorpion4ik [409]

Answer:Propanone is the IUPAC name for acetone, and butanone is the name for ethyl methyl ketone.

Explanation:

6 0
3 years ago
If 110g of copper sulphate is present in 550g of solution calculate the concentration of solution
Bingel [31]

Answer:

20%

Explanation:

mass by mass percentage of a solution =(mass of solute)/(mass of solution)

mass of solute=550g

therefore 110×100/550=20%

hope u will understand .:") credit to the owner

7 0
3 years ago
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