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fiasKO [112]
3 years ago
7

Ocean basins will expand as new oceanic crust forms and moves away from a mid-oceanic ridge during

Chemistry
2 answers:
KATRIN_1 [288]3 years ago
4 0
Sea floor spread ing
sineoko [7]3 years ago
4 0

Answer:

sea floor spreading

Explanation:

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Calculate the number of chlorine atoms that are present in 66.05 g of dichloromethane, ch2cl2. when you have the number, take it
Whitepunk [10]
From the periodic table:
mass of carbon = 12 grams
mass of hydrogen = 1 gram
mass of chlorine = 35.5 grams
Therefore,
molar mass of CH2Cl2 = 12 + 2(1) + 2(35.5) = 85 grams

number of moles = mass / molar mass
number of moles of CH2Cl2 = 66.05 / 85 = 0.777 moles

One mole of CH2Cl2 contains two moles of Cl and each chlorine mole has Avogadro's number of atoms in it.
Therefore,
number of chlorine atoms in 0.777 moles of CH2Cl2 can be calculated as follows:
number of atoms = 0.777 * 2 * 6.022 * 10^23 = 9.358 * 10^23 atoms

Now, we will take log base 10 for this number:
log (9.358 * 10^23) = 23.97119
5 0
3 years ago
What is the approximate mass of one mole of oxygen gas (O2)?
fenix001 [56]

The correct answer is B.

1 mol O2  x  15.999 O2/ 1 mol O2 = 15.999 O2

16 O2 when rounded.

3 0
3 years ago
What is the molecular weight of Copper
andreyandreev [35.5K]

Coppers molecular weight is 63.546 u

8 0
3 years ago
In which medium does sound travel the slowest?
ZanzabumX [31]
Sound actually travels slower in air.This is because sound is kinetic energy and has to pass from molecule to molecule.In gas the molecules are farther apart taking more time for it to pass,in water the molecules are closer so it takes less time for the sound to get from one molecule to another and with cast iron (since it's very dense) the molecules are very close allowing sound to travel quickly with ease.
5 0
3 years ago
Read 2 more answers
(b) (i)
Leya [2.2K]

Answer:

an atom or molecule with a net electric charge due to the loss or gain of one or more electrons

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