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gizmo_the_mogwai [7]
3 years ago
13

How do scientists distinguish between an element and a compound? List two elements and two compounds.

Chemistry
1 answer:
Vsevolod [243]3 years ago
7 0
The difference between an element and a compound is that an element is composed of only one kind of atom while a compound is composed of at least 2 kinds of atoms. The properties of an element and the compound the atoms has to form are different physically and chemically.Example of element are O and H, while compound examples are H2O and H2O2. 
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6. What is the mass of the object if the net force acting on it was 356 N and the acceleration rate
Marina86 [1]

The mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.

<h3>How to calculate mass?</h3>

The mass of an object can be calculated using the following formula:

F = ma

Where;

  • F = force (N)
  • m = mass (kg)
  • a = acceleration (m/s²)

m = F/a

m = 356/4

m = 89kg

Therefore, the mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.

Learn more about mass at: brainly.com/question/19694949

8 0
2 years ago
What type of reaction provide energy within a red giant star?<br><br> and how come?
Dafna1 [17]
"A red giant is a star that has exhausted the primary supply of hydrogen fuel at its core. An average-sized star like our Sun will spend the final 10 percent of its life as a red giant. In this phase, a star's surface temperature drops to between 3,140 and 6,741°F (1,727 and 3,727°C) and its diameter expands to 10 to 1,000 times that of the Sun. The star takes on a reddish color, which is what gives it its name."
3 0
3 years ago
Why is water called a universal solvent?
kondor19780726 [428]

Answer: B

Explanation:

Water is called the "universal solvent" because it dissolves more substances than any other liquid.

8 0
2 years ago
Read 2 more answers
Choose a sport or sporting play. Describe the types of energy involved in playing the sport. State whether playing the sport is
mrs_skeptik [129]

Answer:

Doing a bungee jumping

Potential energy ---> Kinetic energy

Explanation:

3 0
2 years ago
What does contact forces and non-contact forces mean?
Dmitrij [34]
A contact force is a force in which and object comes in contact with a another object. A non-contact force, is a force is an object applied by another body. (A good example of a non-contact force is gravity)
8 0
3 years ago
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