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Vsevolod [243]
3 years ago
9

Juan inflates a balloon and then releases its end to let the balloon go free as air comes out. The balloon then flies around the

room.
Which statement describes how this example is an application of Newton’s laws of motion?
According to Newton’s first law of motion, the balloon continues moving until the forces on it are balanced.
According to Newton’s third law of motion, the balloon is pushed forward as the air is forced out.
According to Newton’s third law of motion, the balloon resists any change of motion unless an unbalanced force acts upon it.
According to Newton’s second law of motion, the balloon exerts a force on the air, which exerts a force back on the balloon.
Chemistry
2 answers:
tatuchka [14]3 years ago
7 0

Answer:

B:According to Newton’s third law of motion, the balloon is pushed forward as the air is forced out.

Explanation:

MArishka [77]3 years ago
5 0
Here is the correct option: According to Newton's third law of motion, the balloon is pushed forward as the air is forced out.  Newton's third law of motion states that for every action there is an equal and opposite reaction. This means that in every interaction, there is a pair of force that is acting on the interacting objects, the size of the force on the first object is equal to the size of the force on the second object.
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Look at the table. Which of these three substances is not an alloy?
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B is the correct option.

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Calculate the molar mass of cacl2
kirza4 [7]

Answer:

\boxed {\boxed {\sf 110.98 \ g/mol}}

Explanation:

The molar mass is the mass of a substance in grams per mole.

To find it, add the mass of each element in the compound. These masses can be found on the Periodic Table.

The compound given is:

CaCl_2

The compound has 1 Ca (calcium) and 2 Cl (chlorine).

 

Mass of Calcium

  • The molar mass of calcium is 40.08 g/mol
  • There is only one atom of Calcium in CaCl₂, so the number above is what we will use.

Mass of Chlorine

  • The molar mass of chlorine is 35.45 g/mol
  • There are two atoms of chlorine in CaCl₂, therefore we need to multiply the molar mass by 2.
  • 35.45 * 2= 70.9 g/mol

Molar Mass of CaCl₂

  • Now, to find the molar mass, add the molar mass of 1 calcium and 2 chlorine.
  • 40.08 g/mol + 70.9 g/mol =110.98 g/mol

The molar mass of CaCl₂ is <u>110.98 grams per mole. </u>

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3 years ago
Can someone please help I’ll give brainliest!!!
padilas [110]
Single replacement because only one letter is being switched out in the reaction
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