Which type of reaction happens when a base is mixed with an acid?
A.metal-base reaction
B.neutralization reaction
C.metal-acid reaction
D.spontaneous reaction
Answers
Answer:
Neutralization Reaction
Answer:
B
Explanation:
Usually, when a strong acid and a strong base is mixed together, the pH is neutralized, hence why it's called a neutralization reaction.
Related Questions
What was the largest group in the colonies in the year leading up to the American revoulation
Answers
You left some papers on a picnic table in the park on a windy, sunny day. When you returned, the papers were scattered all over the park. What can you conclude about the flow of energy in this situation?
The heat energy from the sun was transformed to sound energy, which moved the papers.
The heat energy from the sun was transformed into kinetic energy, which moved the papers.
The mechanical energy in the wind was transferred to the papers, which caused the papers to move.
The mechanical energy in the wind was transferred to the table, which caused it to shake and move the papers.
Answers
Answer: Option c
Explanation: Wind has kinetic energy to move objects from their places. It is vastly used across the world for the production of electricity.
By turning the kinetic energy of moving air into electrical, the wind is used to generate power. Wind drives the rotor blades of contemporary wind turbines, which transform kinetic energy into rotational energy. A shaft transmits this rotational energy to the generator, which generates electrical energy. More than a century ago, the first wind turbines appeared. After the electric generator was developed in the 1830s, engineers began experimenting with harnessing wind power to create electricity. However, modern wind power is thought to have been invented in Denmark, where horizontal-axis wind turbines were built in 1891 and a 22.8-meter wind turbine started operating in 1897. Wind power generation occurred in the United Kingdom and the United States in 1887 and 1888.
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What is it called when wavelengths spread out by passing through an object such as a prism?
A)dispersion
B)refraction
C)reflection
D)absorption
Answers
Whích phase change is the result of particles moving more quickly? (2 points)
Select one:
a. Liquid to gas
b. Liquid to solid
c. Gas to liquid
d. Gas to solid
Answers
Answer:
liquid to gas
Explanation:
let me know if this helps
In 2-4 sentences, summarize what you know about EM waves.
PLEASE HURRY! I'M TIMED! WILL GIVE BRAINLIEST!
Answers
Answer:
In physics, electromagnetic radiation refers to the waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays.
100 POINTS+BRAINLIEST: 8TH GRADE PHYSICS: “As an object moves away from the center of the earth, the force of gravity INCREASES OR DECREASES”? Any rude or “for points” answers will get reported. PLEASE HURRY !!!!
Answers
Answer:
Explanation:
Newton's law of gravitational force states that force of gravity is inversely proportional to the distance in between two bodies.
So As an object moves away from the center of the earth, the force of gravity DECREASES.
Which effect is created when two sound waves that are close in pitch
interact?
O A. Echoes
O B. Loudness
C. Beats
O D. Intensity
Answers
Answer:
C. Beats
Explanation:
When waves are interfering with each other, the sound is louder in some places and softer in others. As a result, we hear pulses or beats in the sound.
Answer:
beats
Explanation:
got it right
Lab Report
Motion and Forces
It’s time to complete your Lab Report. Save the lab to your computer with the correct unit number, lab name, and your name at the end of the file name (e.g., U4_ Lab_MotionAndForces_Alice_Jones.doc).
Introduction
What was the purpose purpose of the experiment?
The purpose of the experiment is to test the hypothesis.
What were the independent, dependent, and control variables in your investigation? Describe the variables for each part of the experiment.
Write a hypothesis based on observations and scientific principles.
Type your answer here:
Experimental Methods
What tools did you use to collect your data?
Questionnaires and observations.
Write your procedure. List each step so that another student could follow the procedure and repeat your experiment.
Type your answer here:
Data and Observations
Record your observations.
Type your answer here:
Conclusions
What conclusions can you draw about how the sum of forces acting on an object affect its motion? Write an evidence-based claim.
Type your answer here:
Which mass, A, B, or C, was the greatest? Use the observations from your experiment and your knowledge of Newton’s laws of motion to write an evidence-based claim.
Type your answer here:
Make a model that shows the forces acting on two blocks on a flat, frictionless surface:
A 1 N block at rest
A 1 N block with 2 N of force applied in one horizontal direction
Include arrows to represent the forces and labels to indicate the magnitude of each force. Use your model to compare and explain the motion of each block.
Type your answer here:
Answers
Answer's C
Explanation: The matter that surrounding this whole planet or time and frequencies the motion and forces that people can't determine unless made a hypothesis
The graph shows two runners participating in a race.
Which best describes the runners?
Daniela had a 5-meter head start, and Leonard caught up to her at 25 meters.
Daniela ran faster than Leonard through the entire race.
Daniela gave Leonard a 5-meter head start and caught up to him at 25 meters.
Daniela ran slower than Leonard, but she went faster at the end.
Answers
Answer:
'Daniela had a 5-meter head start, and Leonard caught up to her at 25 meters.'
Explanation:
hope that helps :)
The statement which best describes the runners is: A. Daniela had a 5-meter head start, and Leonard caught up to her at 25 meters.
What is a graph?A graph can be defined as the graphical representation of data (information) such as position and time, on both the horizontal and vertical lines, which are commonly called the x-axis and y-axis respectively.
The types of graph.In Science, there are different types of graph and these include the following:
Scatter plotBar graphPie chartDot graphLine graphIn conclusion, we can deduce from the position-time graph that Daniela had a 5-meter head start but Leonard caught up to her at 25 meters.
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This is a science question
Answers
The air currents across the continents would determine the distribution of the air.
What are air currents?Air currents across the continents are primarily driven by temperature differences and the rotation of the Earth. The warm air near the equator rises and flows towards the poles, while the cooler air near the poles sinks and flows towards the equator.
This creates large-scale circulation patterns known as Hadley cells, Ferrell cells, and Polar cells. These cells are responsible for the trade winds, westerlies, and easterlies, respectively. Additionally, there are also local winds caused by differences in terrain, such as sea breezes and valley breezes.
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The amount of runoff in an area depends on all of the following except
amount of rain
the vegetation
wind dropping sediment
type of soil
Answers
Hello! needing assistants :p would be well appreciated like alot.
*brainlest included *
Finn listed two of the three steps involved in gene therapy. 1. The normal allele is removed from the chromosome. 2. The normal allele is added to the cells of a person with the disorder.
Which step should he also include, and where?
a) The normal allele is copied before step 1.
b) The normal allele is copied after step 1.
c) The unhealthy gene is cut from the DNA before step 2.
d) The unhealthy gene is cut from the DNA after step 2.d
Answers
Answer:
its b
Explanation:
3. Which of the following describes why fossil fuels are nonrenewable?
A) It is very difficult to drill for fossil fuels, and we don't have the resources to do it.
B) Fossil fuels formed from plants and animals that lived many, many years ago.
C) Fossil fuels are destroyed when we use them.
Answers
Answer:
C.
Explanation:
brick has a mass of 100 G and a volume of 25 cm squared, if you chop the brick in half what is the density of one half of the brick?
Answers
Answer: Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
Explanation:
Answer:
Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
Radio waves and gamma rays are both types of electromagnetic waves. Exposure to radio waves does not harm the human body, whereas exposure to gamma rays can be extremely dangerous. What is the difference between these types of EM waves? Why are gamma rays more dangerous?
pls help due today- giving out brainliest n PLS no mfkn links
Answers
Answer:
because it causes the bodies natural em waves to be disrubed
Explanation:
Place the parts of the human circulatory system in order from highest to lowest degree of internal organization.
→ → →
Answers
Answer: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows: Heart, Blood Vessels, Arteries, Veins, and Capillaries.
Explanation: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows:
Heart: The heart is a vital organ responsible for pumping oxygenated blood to the body and deoxygenated blood to the lungs. It consists of chambers (atria and ventricles) and valves that regulate blood flow.
Blood Vessels: Blood vessels form a network of tubes that transport blood throughout the body. They can be classified into three types: arteries, veins, and capillaries.
Arteries: Arteries are thick-walled blood vessels that carry oxygenated blood away from the heart to various parts of the body.
Veins: Veins are blood vessels that transport deoxygenated blood from the body back to the heart. They have thinner walls compared to arteries and contain valves to prevent backflow.
Capillaries: Capillaries are tiny, thin-walled blood vessels that connect arteries and veins. They facilitate the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
Please note that this arrangement is based on the internal organization of the circulatory system, with consideration given to the hierarchical structure and function of each component.
To learn more about the human circulatory system,
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Answer:
Cell, tissue, organ and organ system
Explanation:
The correct order from the lowest to the highest degree of internal organization is the following Cell, tissue, organ, and organ system then at last whole body. It is because the cells are produced in order to form the tissues in the body and in order for an organ to be produced tissues are essential and are formed and in order for a system.
A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force did she apply to the cart? *
Answers
Science Class:
Question 1: A) Which state(s) of matter have a fixed shape? B)A fixed volume?
Question 2: A) Rank the states of matter from most kinetic energy of the particles to least B) Rank from most particle spacing to least
Answers
WILL GIVE BRAINELY! PLEASE HELP!
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?
A.Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.
B. Find the mass of a log. Burn the log until it turns to ash. Find the mass of the ash.
C.Find the mass of a piece of paper. Tear the paper into smaller pieces. Find the mass of the pieces.
D.Find the mass of a stick of butter. Heat the butter until it melts. Find the mass of the melted butter.
Answers
Here, we are required to determine which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction.
The Correct answer is option A.
First, a chemical change is one in which a chemical compound is transformed into one or more chemical substances and consequently, the resulting compounds have different chemical properties as their atoms are arranged differently.
From the definition above, it is evident option A where an acid and a base are reacted together to form water and salt is an example of chemical change and obeys the law of conservation of matter.
This is so because, upon first measuring the mass of the acid and base separately and then measuring the mass of the resulting salt and water.
The mass in both instances is constant.
Therefore, the correct answer is option ARead more:
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As you know bone marrow makes red blood cells, white blood cells, and platelets and as you grow it begins to store fat. What do you think a bone marrow transplant will allow the recipient to do?
Answers
Answer: A bone marrow transplant can allow the recipient to produce healthy blood cells if their own bone marrow is damaged or not functioning properly.
help = brainlist please
Answers
(a) Waves P and Q have the same frequency, but wave P has twice the wavelength of wave Q
(b) Waves Q and R have the same wavelength, but wave R has twice the frequency of wave Q.
(c) Wave T shows a steady frequency but changing amplitude
(d) Wave S shows a steady amplitude but changing frequency
(e) Waves Q and R have a low amplitude and a steady frequency
HOPE THESE ARE RIGHT
b. Amplitude, wavelength
c. T
d. S
e. Q and R
hope they are fine for you to understand.
For more info,
Frequency are the number of waves passing a single point per second.
Amplitude is the distance from the equilibrium position to the maximum displacement.
Wavelength is the distance from one point of a wave to the same point of the next wave.
A scientist uses a camera to study the stars.
How would the scientist most likely use this technology?
1 to replace all of the old data about stars
2 to predict the star count over a broad area
3 to write observations about what the sky looks like
4 to count the number of visible stars in the sky
Answers
Answer:
It would most likely be 3!
Explanation:
A scientist taking photos of the stars would be using those photos as a sort of documentation. The only reason to record this is for data or research purposes, meaning that 1 and 2 are incorrect. While 4 is a possibility, it is a fruitless endeavor, as even if you managed to count all the stars in the night sky at one point, it would completely discount every star not visible from that part of the globe, making the data false/pointless. Again, this is just my educated assumption, but I do think the answer is 3. Good luck :D
If you place a piece of paper containing a small letter "d" on the stage, what will the image look like under the microscope?
A.
b
B.
p
C.
d
D.
backwards p
Answers
because it would look like a backwards p
The required image that will be observed will look like a backward letter "p". The correct answer is D. backward p.
What is microscope?A microscope is a scientific instrument that is used to observe objects that are too small to be seen by the eye. Microscopes use various optical techniques to magnify and enhance the image of the object, allowing it to be seen in greater detail.
Here,
The image of the letter "d" under a microscope will depend on the type of microscope being used and the orientation of the letter on the stage. However, in general, if the letter "d" is placed on the stage of a compound microscope, the image will be inverted and reversed from left to right. This is because a compound microscope uses multiple lenses to magnify the image, which can cause the image to be flipped both vertically and horizontally.
So, if the letter "d" is placed on the stage of a compound microscope, the image that will be observed will look like a backward letter "p". The correct answer is D. backward p.
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True or False
If two unbalanced forces act on an object in opposite directions, the object will move in the direction that the stronger force is acting.
Answers
Answer:
true
Explanation:
If two unbalanced forces act on an object in opposite directions, the object will move in the direction that the stronger force is acting. If two forces act in the same direction on an object, the forces add together and the object experiences a greater force in that direction
An object in the opposite direction will act on the strongest force
A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
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When an object is fully magnetized, all of its magnetic domains will be ?
Answers
Answer:
magnetically saturated
Explanation:
When all of the domains are aligned, the material is said to be magnetically saturated. When a material is magnetically saturated, no additional amount of external magnetization force will cause an increase in its internal level of magnetization.
hope this helps u :)
Which of the following forces has not changed Earth's surface?
folding
erosion
weathering
gravity
Answers
Answer:Gravity is the force among the options listed that has not directly changed Earth's surface.
Explanation:
Gravity is a fundamental force that acts on all objects with mass, including the Earth itself, but it does not cause changes or modifications to the Earth's surface features. Instead, gravity influences the movement of materials and the shape of the Earth's surface by exerting a pulling force on objects. On the other hand, folding, erosion, and weathering are all processes that directly contribute to shaping
what is the answer i need answers now
Answers
Answer:
listening ,communication ,resolution
Explanation:
Why is it important for a peer to review your writing, in addition to reviewing it yourself?You still have the ideas in your head, so you may not notice when they did not make it onto the page.
You will ignore all of the problems in your report because you won’t want to fix the problems.
All of the above
A peer has a better understanding of your topic than you do and can find mistakes.
Answers
Answer:All of the above
Explanation:
_______ is the amount of matter in an object.
Question 1 options:
Mass
Weight
Gravity