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zepelin [54]
2 years ago
7

What makes up a Solar System?

Chemistry
1 answer:
goldfiish [28.3K]2 years ago
7 0

Answer: It's just the Primary planets and the dwarf planets and the sun, The orbit courses, and the gravitational pull that keeps them orbiting.

Explanation: Make me brainliest, please Help me out

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how many grams of solid lithium must be added to liquid after in order to obtain 15.0 L of hydrogen gas at STP?
alexdok [17]

Answer:

9.29g

Explanation:

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3 0
3 years ago
How does mass affect a star's life cycle?
Andre45 [30]

Answer:

<h2>A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born. ... As the gas spins faster, it heats up and becomes as a protostar.</h2>

Explanation:

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3 0
3 years ago
What is the error in the electron configuration, 1s2 2s2 2p6 3s2 3p5 4s2?
Leviafan [203]
1s2 2s2 2p6 3s2 3p6 4s1

s orbital can hold 2 electron
p orbitals can hold 6 electron
3 0
3 years ago
The volume of a given quantity of a gas must increase if:
professor190 [17]
<span>D the temperature decreases and the pressure increases</span>
5 0
3 years ago
Assuming that seawater is a 3.50 mass % aqueous solution of NaCl, what is the molality of seawater?
Fantom [35]

Hey there!

Consider 100 g of solution:

Mass of NaCl = 3.50% of mass of seawater

( 3.50 / 100 ) * 100 => 3.50 g

Number of moles as shown below:

Molar mass NaCl = 58.44 g/mol

n = Mass / molar mass

n = 3.50 / 58.44 => 0.059 moles of NaCl

Mass of sweater:

Mass of solution -  Mass of NaCl

100 -  3.50 = 96.5 g

96.5 g in Kg :

96.5 / 1000 => 0.0965 Kg

Therefore ,calculate molality  by using  the  following formula:

molality =  number of moles  of solute / mass of solution

molality = 0.059 / 0.0965

molality = 0.61 m


Hope That helps!

7 0
3 years ago
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