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snow_lady [41]
3 years ago
15

What causes continental drift?

Chemistry
2 answers:
nydimaria [60]3 years ago
6 0

Answer:

The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations.

Margaret [11]3 years ago
4 0

Answer:

"Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. ... "

Explanation:

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3.75 g of an unknown gas at 59 °C and 1.00 atm is stored in a 1.35-L flask. What is the molar mass of the gas?
MAXImum [283]
You need to find moles of the gas, so you would use the ideal gas law:
PV=nRT
Pressure
Volume
n=moles
R= gas constant
Tenperature in Kelvin
n= PV/RT
(1.00atm)(1.35L)/(.08206)(332K) = 0.050mol
Molar mass is grams per mole, so
(3.75g/.050mol) = 75g/mol
4 0
3 years ago
Which most accurately describes the universe as we currently describe it?
weeeeeb [17]

Answer: The universe consists of all physical objects on earth in space

Explanation:

4 0
3 years ago
What mass of solute is contained in 25.4 ml of a 1.56 m potassium bromide solution?
mash [69]
Answer is: mass of <span>potassium bromide is 4.71 grams.
V(KBr) = 25.4 mL </span>÷ 1000 mL/L = 0.0254 L, volume of solution.
c(KBr) = 1.56 mol/L.
n(KBr) = c(KBr) · V(KBr).
n(KBr) = 1.56 mol/L  0.054 L.
n(KBr) = 0.0396 mol, amount of substance.
m(KBr) = n(KBr) · M(KBr).
m(KBr) = 0.0396 mol · 119 g/mol.
m(KBr) = 4.71 g.
M - molar mass.
3 0
3 years ago
Read 2 more answers
The sulfur atom of sulfur dioxide is considered to be sp2-hybridized. The expected bond angle is 120°, but is actually slightly
Alja [10]

Answer: The bonds are intermediate between double and single bonds

Explanation:

A closer look at the diagram below shows that the bonds in sulphur IV oxide are intermediate between double and single bonds. Hence they do not have the exact bond angle of single bonds. This is why the bond angle is not exactly 120°. There are two resonance structures in the diagram that clearly show this point.

6 0
3 years ago
Convert 150.0 g to mg.
tatyana61 [14]
There are 1000 milligrams in a gram, so you can find the answer through multiplication: 150 • 1000

The answer is 150,000
6 0
3 years ago
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