Chemistry Middle School

30 POINTS FOR THE BRAINLIEST
What patterns do you observe?
How are the two waves similar?
How are they different?

30 POINTS FOR THE BRAINLIESTWhat Patterns Do You Observe? How Are The Two Waves Similar?How Are They

Answers

Answer 1

Answer:

they both increase then decrease

they don't have the same points

they have 2 different electric fields

Explanation:

Answer 2
They have two different electric fields

They both increase then decrease

They don’t have the same points

Related Questions

A disease caused by the inflammation of mucus membranes inside the bronchial tubes. There are more than 3 million U.S. cases a year.

Answers

Inflammation can have causes that aren't due to underlying disease. Examples include injuries such as sprains and strains, overuse, or insect bites.

what will happen? (Newton's 1st Law Egg Drop)

Answers

Answer:

dogwater

Explanation:

lalidadida

the egg sitting on the tube should stay that way unless its pushed or pulled

1. What is the geologic time scale? Explain how the geologic time scale is a model.
2. How many millions of years was the Paleozoic?
3. During what era did the dinosaurs live?
4. During what period where the first early human relatives found?

Answers

1.) the geologic time scale is a system of chronological dating that relates geologic structure to geologic events. it is a model because it measures and describes events and relationships in geologic history.

2.) the paleozoic period was roughly from 245 million years ago to 545 million years ago.

3.) the dinosaurs lived in the mesozoic era, specifically the triassic period, which was roughly around 230 million years ago.

4.) the first early human relatives were found roughly around d the neogene period, about 25 million years ago, and is in the cenozoic era.
This is the answer hope it will help you

some students observe four different lab investigations. The students record their observations in a table.
Investigation
Observations
1
A beaker of water is
heated on a hot plate. Bubbles form in
the water, and steam is given off.
2
Oil is added to a beaker of water. Oil forms a layer on top
of the water
3
Sand and iron filings are mixed in a beaker. A magnet is
then used to separate the iron filings from the sand.
4
A piece of chalk is placed in a beaker of vinegar Bubbles
form as a gas is given off.
Which investigation most likely involved a chemical reaction?

Answers

Answer:

Number 4 is an example of a chemical reaction

Explanation:

heThe chalk is reacting with the vingear which is creating a new substance. The new substance is the gas that the reaction gives off.

I think the number 4 is the right answer

If Enough Thermal energy And change of state, write each sentence.
Write (solid), (liquid), or (gas) to complete each sentence
If enough Thermal energy is added to a liquid, it will change to a

___________

Please explain in simple terms.
Spam = remove
Googling it = Remove

Answers

Answer:

If enough thermal energy is added to a liquid lets say cold it will freeze turning it into a solid. they same for a solid if enough thermal energy is added it can turn to a liquid or a gas.

Explanation: Its science.

Answer:

gas

Explanation:

I don't know, just it is gas bc the atoms gain space and move freely and yeah

Does an acidic solution contain hydroxide ions? Explain your answer.

Answers

Answer:

Yes but there are more hydrogen ions than hydroxide ions.

An acidic solution contains a large concentration of hydronium ions than hydroxide ions. Yes, an acidic solution contains hydroxide ions.

What are hydroxide ions?

Hydroxide ions are produced from the ionization of water molecules carrying the positive charge on hydrogen.

A solution contains both the hydroxide OH⁻ and hydronium ions H⁺.

In order to make a solution acidic, a solution must contain more hydronium ions compared to hydroxide ions.

Yes, an acidic solution contains hydroxide ions.

Learn more about hydroxide ions.

https://brainly.com/question/25883474

#SPJ2

PLEASE HELP!!!!!!!! giving brainlist

Answers

Answer:

I can only give the answer for the first page.

Explanation:

1. Thermal energy always moves from hot objects to cold objects.

2. When two states of matter reach the same temperature, it is called thermal equilibrium.

hot to cold thermal radiation

If you start with 5.5 liters of hydrogen peroxide (H2O2), how many molecules of oxygen gas (O2) will be produced?

Answers

Answer:

2.75 mol O2

Explanation:

2 H2O2 = 2 H2O + O2 is the formula

heres a picture of the work

Ans is 2 oxygen atoms
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