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Olenka [21]
3 years ago
12

A home gets its water from a private well which of the following is a sign that the water quality maybe low

Chemistry
1 answer:
Natali [406]3 years ago
6 0
Your answer would probably be D!
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Which state of matter has the weakest intermolecular forces ?
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I think it might Be Gas.
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The seismic waves ima a 5.5 magnitude earthquake are ___ times larger than those in a 3.5 magnitude earthquake
KengaRu [80]
The answer is 100 times larger
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3 years ago
Astronaut Bill's mass is 77 kg. He is floating through the space station at a steady rate of 2.6 m/s. His friend John appears di
Elenna [48]

The final velocity of Bill after he catches the pillow is 4.44 m/s.

The given parameters:

  • Mass of Bill, m1 = 77 kg
  • Velocity of Bill, u1 = 2.6 m/s
  • Mass of the pillow, m2 = 6.9 kg
  • Initial velocity of the pillow, u2 = 25 m/s

<h3>What is conservation of linear momentum?</h3>
  • The principle of conservation of linear momentum states that the total momentum of an isolated system is constant.

The final velocity of Bill is determined by applying the principle of conservation of linear momentum as follows;

m_1 u_1 + m_2 u_2 = v(m_1 + m_2)\\\\77(2.6) + 6.9(25) = v(77 + 6.9)\\\\372.7 = 83.9v\\\\v = \frac{372.7}{83.9} \\\\v = 4.44 \ m/s

Thus, the final velocity of Bill after he catches the pillow is 4.44 m/s.

Learn more about conservation of linear momentum here: brainly.com/question/7538238

3 0
2 years ago
PLEASE HELP ME ANSWER
maks197457 [2]

Answer: the second one multiplication

Explanation:

5 0
3 years ago
The fuel used to power the booster rockets on space shuttles is a mixture of aluminum metal and ammonium perchlorate. the follow
Charra [1.4K]

The moles of water that are produced from 373 moles of ammonia present in any chemical reaction is 746 moles.

<h3>What is the stoichiometry?</h3>

Stoichiometry of the reaction gives idea about the amount of entities present in any chemical reaction before and after the reaction.

Given chemical reaction is:

3Al + 3NH₄ClO₄ → Al₂O₃ + AlCl₃ + 3NO + 6H₂O

From the stoichiometry of the reaction it is clear that:

3 moles of Al = produces 6 moles of H₂O

373 moles of Al = produces 6/3×373 = 746 moles of H₂O

Hence required moles of water is 746 moles.

To know more about stoichiometry, visit the below link:

brainly.com/question/21931988

                                                                                                                                                                                                                                                                                                                               

6 0
2 years ago
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