Which has the greatest half life, carbon-14, potassium-40,or uranium-238

Answers

Answer 1
Answer: i think its uranium-238
Answer 2
Answer:
uranium-238.....in my view....

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Coal is made of carbon. Coal burns at high temperature in the presence of oxygen. The result of this chemical reaction is

Answers

c +o 2 = co 2 i think....hopefully its not wrong


Which energy conversion must occur in an operating electrolytic cell?(1) electrical energy to chemical energy
(2) electrical energy to nuclear energy
(3) chemical energy to electrical energy
(4) chemical energy to nuclear energy

Answers

I think the correct answer from the choices listed above is option 1. The energy conversion that must occur in an electrolytic cell is the conversion from electrical energy to chemical energy. The reaction must be forced by applying an external electric current thus needing a supply of electric current.

Answer: 1) electrical energy to chemical energy

Explanation: The reaction must be forced by applying an external electric current thus needing a supply of electric current.

When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following?Positive
Negative
Balanced
Gravitational

Answers

Answer:

balanced

Explanation:

Final answer:

When equal forces from opposite directions act on an object, they are said to be balanced. Such a state doesn't change the motion of the object, which aligns with Newton's First Law of Motion or The Law of Inertia.

Explanation:

Balanced forces occur when the total force applied to an object from one direction equates to the total force applying from the opposite direction. Hence, the object will remain still or continue moving at a constant speed in a straight line. It's important to note that under balanced forces, the motion state of the object doesn't change, also known as Newton's First Law of Motion or The Law of Inertia.

Learn more about Balanced Forces here:

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Alpha effect on atomic mass and effect on atomic number

Answers

Question: alpha effect on atomic mass and effect on atomic number

Answer:  the atomic mass number decreases by four and the atomic number decreases by two

Explanation:  When an alpha particle is emitted from the nucleus, the nucleus loses two protons and two neutrons and creates a new element

question answered by

(jacemorris04)

By usuning usfal numbers

Please select the word from the list that best fits the definition Occurs when all forces acting on an object cancel out, and there is no movement

Answers

It's balanced force. When two or more forces are exerted on an object, and their effects cancel one another out, and no movement occurs, it has a net force of 0. When an object has a net force of 0, it has balanced force.

Explanation:

When two or more forces act in opposite directions and are equal then the object does not move as the forces cancel out each other.

This type of force is known as balanced force. Balanced force does not cause change in motion.

Thus, we can conclude that balanced force occurs when all forces acting on an object cancel out, and there is no movement.

Here is a food chain in a meadow. Use this food chain to answer this question.Which organism is at the highest trophic level in the food chain? FOOD CHAIN IS ATTACHED



A.
corn snake

B.
field mouse

C.
grass

D.
hawk

Answers

D. Hawk

The highest trophic level in a food chain is often shown as literally being the highest in the diagram. Although this food chain is set up differently, you can still tell that the hawk is the highest trophic level because all the arrows point in its direction.
D Hawk is the answer hope it helps