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noname [10]
3 years ago
8

HURRY !!!!!! How did kelper describe the planets Orbits ?

Chemistry
1 answer:
Andrei [34K]3 years ago
8 0
Kepler's Laws of Planetary Motion. While Copernicus rightly observed that the planets revolve around the Sun, it was Kepler who correctly defined their orbits.

Sorry about the holds, copied it from google...
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According to the reaction represented by the unbalanced equation above, how many moles of so2(g) are required to react completel
melomori [17]
2SO₂ + O₂ = 2SO₃

n(O₂)=1 mol

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n(SO₂)=2 mol
6 0
3 years ago
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚C inside a freezer for a night. When he took it out, its new volu
ad-work [718]

Initial volume of the balloon = V_{1}= 348 mL

Initial temperature of the balloon T_{1} = 25.0^{0}C + 273 = 298 K

Final volume of the balloon V_{2} = 322 mL

Final temperature of the balloon = T_{2} = ?

According to Charles law, volume of an ideal gas is directly proportional to the temperature at constant pressure.

\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }

On plugging in the values,

\frac{348mL}{298 K} =\frac{322 mL}{T_{2} }

T_{2} =276 K

Therefore, the temperature of the freezer is 276 K

5 0
3 years ago
How many molecules of oxygen are needed to make 3.5 oxygens of water?​
max2010maxim [7]

Answer:

57.6g

Explanation:

So, if in one mole of water, 16 g of oxygen atom is present. Then, in 3.6 moles of water, the mass of oxygen present will be 3.6×16=57.6g. Therefore, the amount of oxygen present in 3.6 g water is option (B)- 57.6 g.

8 0
2 years ago
The number of neutrons in the nucleus of an atom can be calculated by
Bess [88]
3 mass number- proton number
6 0
3 years ago
What is the last step in the scientific method?
nataly862011 [7]

Answer:

D

Explanation:

Because do all of that and then you do a conclusion

8 0
3 years ago
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