Static charge develops on a substance as it acquires or loses protons due to friction. a. True
b. False

Answers

Answer 1

Answer: True because once it builds up enough + or - charges

Answer 2

Answer:

Final answer:

False. The occurrence of a static charge on a substance is due to the gain or loss of electrons, not protons. This electron transfer occurs mostly when friction is between two different materials, leading to the creation of static electricity. Protons, being part of the atomic nucleus, stay stable and do not move, unlike electrons.

Explanation:

The statement given in the question is False.

Static charge develops on a substance when it gains or loses electrons, not protons. In fact, when friction is involved between two different materials, electrons get transferred from one material to another.

The one that gains electrons becomes negatively charged, while the one that loses electrons becomes positively charged. This is the principle behind the creation of static electricity. The protons in an atom are part of the atomic nucleus and they remain stable and don't move around, unlike electrons, which can move freely and transfer from one atom to another.

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Light waves will bend when passing from one transparent substance to another unless: a. Constructive interference occurs/ b. Destructive interference occurs/ c. The light hits the substance at an angle of 60 degrees/ d. The light hits at an angle of 90 degrees

Answers

The correct answer is (d.) The light hits at an angle of 90 degrees. The light waves will bend whenever passing from one transparent substance to another unless the light is hitting at an angle of 90 degrees.

the answer is d.................

Can you help me with this pls

Answers

Answer:

Can you help me with this pls

The water at the top of a waterfall has _____ energy.potential
kinetic
heat
metabolic

Answers

I believe the answer isPOTENTIAL ENERGY. The water at the top of the waterfall has Potential Energy.Potential Energy is defined as the energy that is stored when an object is atrest. At the top of the waterfall, water will have maximum potential energy. Whenthe water falls down, it is will already have kinetic energy which is energythat is produced through continuous motion. When it is finally in the bottom,water will have maximum kinetic energy.

Answer:

The water at the top of a waterfall has __potential___ energy.

Which statement describes the energy involved in diffusion?O Diffusion requires energy in all cases.
O Diffusion requires energy only to move material in through the cell membrane.
O Diffusion does not require energy in any situation.
O Diffusion requires energy only to move material out through the cell membrane.

Answers

The statement that the energy involved in diffusion is as follows:

Diffusion does not require energy in any situation.

Thus, the correct option is C.

What is Diffusion?

Diffusion may be defined as the process of migration of substances or molecules through a semipermeable membrane from an area of higher concentration to an area of lower concentration.

Diffusion does not require energy because it is classified under the passive transport of materials. Diffusion always works towards the concentration gradient.

Energy is typically involved when the movement occurs against the concentration gradient like active transport.

Therefore, the correct option for this question is C.

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Answer:

So B

Explanation:

Soil can best be described as the A. layer of bedrock four layers beneath the Earth's surface.
B. sandy bottom of the ocean's floor.
C. third layer beneath the Earth's surface.
D. loose covering of weathered rocks and decaying organic matter.

Answers

The correct option is D. Soil can best be described as the loose covering of weathered rocks and decaying organic matter. There are different types of soil, the type of soil formed depends majorly on the type of parent rock from which the soil is formed and the amount of organic matter present in the soil.

How many moles of Sulphur dioxide are there in 192 g of that gas ?

Answers

Answer:

3.00 moles

Explanation:

To calculate the number of moles of sulfur dioxide (SO2) in 192 grams of the gas, you can use the molar mass of SO2. Sulfur dioxide has a molar mass of approximately 64.0638 grams per mole.

Now, you can use the formula:

Number of moles = Mass (g) / Molar mass (g/mol)

Number of moles = 192 g / 64.0638 g/mol ≈ 2.997 moles

So, there are approximately 3.00 moles of sulfur dioxide in 192 grams of the gas.

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