CHEMISTRY MIDDLE SCHOOL

Suppose 1 gold bar is 6 cm long, 2 cm high, and 3 cm wide. How many whole gold bars will you be able to fit in a vault with a volume of 500 cm3?A.
13 bars
B.
27 bars
C.
41 bars

Answers

Answer 1
Answer:

That would be 13 bars
Answer 2
Answer:

A. 13 bars

the correct answer is A. because 1 gold bar's volume is 36cm so what you do is divide 500cm into 36cm and the answer is 13.8888889 bars would have the volume of 500cm so the approximate answer is 13 bars

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Which of the following measures the radiation given off by atoms per second?

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The answer is curie.

the answer is curie

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What findings led Thomson to infer that particles that are smaller than atoms do exist?

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When are tides highest? a. during the moon’s first quarter phase b. when the sun, Earth, and the moon are nearly in a line c. during the moon’s third quarter phase d. when the moon is at a right angle to the sun

Answers

Answer:

The correct answer is option b, that is, when the Sun, Earth, and the moon are nearly in a line.

Explanation:

The low and high tides are caused by the moon. The gravitational force of the moon produces something known as the tidal force. This force makes the Earth and its water to bulge out on the side nearest to the moon and the side far away from the moon. These bulges of water are considered as high tides.  

Similarly to the moon, the Sun also causes tides, but, they are smaller in comparison. However, when the Earth, moon, and the Sun line up, that is, which takes place during the new moon or the full moon, the solar and lunar tides reinforce each other, resulting in more extreme tides, known as spring tides. The spring tides are considered as the highest tides.  
The answer is B. when the sun,earth, and the moon are nearly in a line

What is water displacement?????

Answers

When you put an object in water it moved the water to make room for itself. It is used to measure
Water displacement was discovered by the Greek thinker Archimedes in the 3rd century BC. He worked out that if you put an object in water, the amount of water displaced (thrown out) is equal to the volume of that object. By measuring the overflow of water, you can work out the volume of the object (it only really works if the object is non-porous/ can't soak up the water. In fluid mechanics, displacement occurs when an object is immersed in a fluid, pushing it out of the way and taking its place. The volume of the fluid is displaced can then be measured. 

The body is a system of interacting subsystems composed of a group of specialized cells and tissues because....Can someone help fill in the rest? Thanks

Answers

In multicellular organisms, the body is a system of multiple interacting subsystems. These subsystems are groups of cells that work together to form tissues and organs that are specialized for particular body functions.

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Final answer:

The human body is a system of interacting subsystems composed of specialized cells and tissues, each performing a specific function. These subsystems, such as the circulatory and digestive systems, cooperate to maintain overall health and homeostasis.

Explanation:

The body is a system of interacting subsystems composed of a group of specialized cells and tissues. This is because each subsystem or organ system consists of particular types of cells and tissues that carry out specific functions. For instance, the circulatory system, made up of the heart, blood vessels, and blood cells, transports nutrients and oxygen throughout the body. The digestive system, including the stomach, small and large intestines, and other components, breaks down food and absorbs nutrients. These subsystems interact with each other to maintain the body's overall homeostasis and good health.

Learn more about Interacting Subsystems in the Body here:

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Two objects attract each other with a gravitational force of 25 newtons from a given distance. If the distance between the two objects is reduced by a factor of 5, what is the changed force of attraction between them?

Answers

Answer:

  • The changed force of attraction between the two objects is 625 N.

Explanation:

The universal law of attraction states that the gravitational attraction between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

The mathematical expression is:

  • F = G m₁ m₂ / d², where

  • G is the gravitational constant,
  • m₁ and m₂ are the respctive masses of the two objects, and
  • d = distance between the two objects.

Then, if the masses m₁ and m₂ remain unchanged and the distance (on the denominator) is reduced by a factor of 5, the 1/d² = 1/(1/5)² = 5² = 25, which means that the force will be multiplied by 25.

So, 25 N × 25 = 625 N which is the changed force of attraction between them.

Answer:

jbjbbbbb

Explanation:
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