Chemistry Middle School

Please help! Answer the following questions, thank you!♡♡

Please Help! Answer The Following Questions, Thank You!

Answers

Answer 1

Answer:

1. The name of the scale scientists use to measure acidity is a PH scale.

2. Acids fall from 0-6 on the scale.

3. Bases fall from 8-14 on the scale.

4. Water falls on 7 on the scale.

Answer 2

The answer to your questions are

1.The name of the scale scientists is PH scale

2.Acids fall from 0-6 on the scale

3.Bases fall from 8-14 on the scale

4.Water falls on 7 on the scale

Hope this helps

Related Questions

Luisa likes to drink water from a plastic bottle. She knows the bottles were formed from synthetic polymers that were created in a chemical reaction. She also knows that synthetic materials can cause problems. Which statement explains the kind of problem that can develop from using synthetic materials such as plastic?

A. Plastics have changed the way people use materials.
B. Plastics have made the lives of people easier.
C. Plastics have contributed to more pollution.
D. Plastics have made more work for people.

Answers

C. Plastics have contributed to more pollution.
CacITA fingers
D. Hi sofi ya estoy aquí en

Can someone’s verify? A player hits a base ball

Answers

The correct answer is B,C
The answer is b and c

How can the rate of a reaction be decreased?
Responses

A: having more surface area

B: lowering the amount of reactants

C: adding a catalyst

D: raising the temperature

Answers

B: lowering the amount of reactants

It’s B ! Lowering the amount of reactants.

How does hot spot theory explain how the Hawaiian Islands formed? and what tools did you use to collect your data also describe the procedure that you followed to collect your data.

Answers

The hot spot theory explains how the Hawaiian Islands formed. According to this theory, the islands were created by a hot spot, which is an area of intense volcanic activity deep within the Earth's mantle. As the Pacific tectonic plate moves over the hot spot, it causes magma to rise to the surface, resulting in the formation of a new island. Over time, as the plate continues to move, new islands are formed while older islands move away from the hot spot and eventually erode.

To collect data about the formation of the Hawaiian Islands, scientists have used various tools and methods:

Seismic studies: Scientists have used seismometers to measure seismic waves and study the Earth's interior structure. By analyzing seismic data, they can identify the presence of a hot spot and understand its characteristics.Geochronology: Scientists have used radiometric dating techniques to determine the ages of rocks found on the islands. By dating volcanic rocks at different locations, they can create a timeline of island formation and track the movement of the hot spot.Bathymetry: Bathymetric surveys have been conducted using sonar technology to map the ocean floor around the Hawaiian Islands. This helps scientists understand the topography and the underwater volcanic activity associated with the hot spot.Core sampling: Scientists have collected core samples from the ocean floor to study the composition of volcanic rocks. By analyzing these samples, they can determine the chemical and mineralogical characteristics of the lava erupted from the hot spot.


Overall, the data collection procedure involves a combination of field surveys, laboratory analyses, and data interpretation. Scientists use a multidisciplinary approach to gather information from various sources and develop a comprehensive understanding of the Hawaiian Islands' formation.

I hope this explanation helps you understand how the hot spot theory explains the formation of the Hawaiian Islands and the tools and procedures used to collect relevant data.


Hope my answer helps you✌️

Mark BRAINLIEST

Alex saw a rusty old car in an abandoned lot. Because he had recently read about chemical reactions, he began to wonder how the rust formed. What happened to cause the rust on the steel car?

A. A physical change took place in the steel of the car to form rust.
B. Oxygen in the air reacted with the paint on the car and formed rust.
C. Oxygen in the air chemically combined with the iron in the steel to form rust.
D. A decomposition chemical reaction took place when the iron in the steel mixed with oxygen to form rust.

Answers

Answer: I think it is D

Explanation:

I believe The answer is C

This is only for people who want brainlist and a lot of points and i give the brainlist
1.Record your observations. Include a data table with the names of the volcanoes, their distance from Kilauea, and their ages.

these are separate answers by the way
good luck

2. Make a graph that shows the distance between the volcanoes and Kilauea versus the ages of the volcanoes. You may plot your data on the template provided or use a spreadsheet program to make a graph.

Answers

Answer:

data table not found

Explanation:give me the data table

Answer:

can you give the template?

Explanation:

can you give the template?

What might happen if there is excessive water removal from the Central Valley Aquifer in California?(1 point) Responses
A. It can cause severe weather changes in California.
B. It can cause severe weather changes in California.
C. It can transform California completely to a desert.
D. It can transform California completely to a desert.

Answers

Answer:

A

Explanation:

California is surrounded by the sea so it would never run out.

Water Poisoning A new report indicates that the over-pumping of aquifers during the Central California water crisis increases the risk of arsenic being released into the water. This dangerous chemical can significantly increase the risk of cancer, diabetes, and heart disease if it is present in high enough levels.

After learning about the law of conservation of mass, Remy began to wonder about how to best test this law. She wanted to show that the amounts of matter did not change but produced an equal amount of a different kind of matter. What is the best way to study this law?

A. in a homogeneous mixture
B. in a heterogeneous mixture
C. in an open system
D. in a closed system

Answers

C is the answer
Because the.best way to study law is to be in an open system
D is the answer coz is the best to study this law

2Fe + 6HC,H;02 - 2Fe(C2H302)3 + 3H2

How many different elements are in the chemical equation?

Answers

Answer:

4 different elements; iron,carbon, hydrogen and oxygen

There are 4 different elements

Read the selection from the section "Refraction." Another behavior is called refraction. Sometimes, a wave moves from one medium to another, like from water to air. It changes direction. This is refraction. Fill in the blank. A "medium" is ____.

Answers

Answer: A

a substance that something moves through

B

an obstacle that something cannot get around

C

a type of wave that can move very fast

D

a part of a wave that is difficult to measure

Explanation:

Sometimes, a wave moves from one medium to another, like from water to air. It changes direction. This is refraction. A "medium" is a substances that something  moves through it.

Refraction is defined as the change in the speed and direction of a wave passing from one medium into the another medium. Refractive index varies according to the wavelength of light. A medium is defined as the substance that pass light from one substance to another substance. The medium act as a carrier .

Thus, Sometimes, a wave moves from one medium to another, like from water to air. It changes direction. This is refraction. A "medium" is a substances that something  moves through it.

To learn more about Refraction here

https://brainly.com/question/11153660

#SPJ1

please don't troll and be quick This is only for people who want brainlist and a lot of points
1.Record your observations. Include a data table with the names of the volcanoes, their distance from Kilauea, and their ages.

these are separate answers by the way
good luck

2. Make a graph that shows the distance between the volcanoes and Kilauea versus the ages of the volcanoes. You may plot your data on the template provided or use a spreadsheet program to make a graph.

Answers

Answer:

there is no notebook or import opinion on this app though how would i?

What is the relationship between reflection and diffraction? A. Reflection happens when a wave hits a hard surface, while diffraction only happens when a wave goes through air or water. B. Reflection happens when a wave hits a hard surface, while diffraction happens when two waves interact with each other. C. Reflection happens when a wave bounces back against an obstacle, while diffraction happens when a wave goes through an obstacle. D. Reflection happens when a wave bounces back against an obstacle, while diffraction happens when a wave bends around an obstacle.

Answers

answer:  D. Reflection happens when a wave bounces back against an obstacle, while diffraction happens when a wave bends around an obstacle.

i believe it is D, because reflection involves a change in direction of waves when they bounce off a barrier, and diffraction involves a change in direction of waves as they pass through an opening or around a barrier in their path.

Why do waves spread out? A. because they meet another wave B. because they pass through water C. because they hit a big obstacle D. because they pass through a small opening

Answers

the answer is c. because they hit a big obstacle

Answer: the answer is C :)

Explanation:

25 points! brainliest for correct answer!
what are TWO characteristics of a neutron?
A. found outside the nucleus
B. negative electric charge
C. no electric charge
D. found in the nucleus

Answers

Answer: Your answers are C and D.

Explanation:

The TWO characteristics of a neutron are C and D

Derrick decided to research what factors might affect the properties of the solubility of a solution. After completing his research, Derrick knew that several factors affected the properties of solubility. Explain the factors that affect the properties of the solubility of a solution.

Answers

Derrick decided to research what factors might affect the properties of the solubility????
a factor that may affect it is whether the property is ionic or covalent

A high concentration of hydrogen ions (H+) means a solution is what? (example: HCl aka Hydrochloric Acid)

A) very basic

B) neutral

C) neither acidic or basic

D) very acidic

Answers

D because it has a high concentration

Answer:

Explanation: it would be D because hydrogen is very  acidic and don't worry  i'll always be here to help

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