An oxidation reaction requires which of the following for most common
Answers
Answer: Oxygen
Explanation:most common fires require oxygen for a fire to start. With out oxygen the fire will go out.
An oxidation reaction typically requires an oxidizing agent, which is a substance which accepts electrons and causes the oxidation of another substance.
What is an Oxidation reaction?Any chemical reaction in which electrons are transferred from one substance to another is called an oxidation reaction. The process of losing electrons is called oxidation, and the process of gaining electrons is called reduction. In other words, electrons are lost during oxidation while they are gained during reduction.
Redox reactions, which always involve these two processes, are called. Oxidation processes can lead to a number of chemical changes, including the formation of new chemical bonds, the release of energy, or the synthesis of new compounds. Oxidation reactions are involved in many natural processes, such as burning, rusting, and cellular respiration.
Therefore, an oxidation reaction typically requires an oxidizing agent, which is a substance which accepts electrons and causes the oxidation of another substance.
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Hot water deep within Earth can _________________________ minerals and transport them someplace else.
Answers
Hot-Water Solutions Groundwater works its way down and is heated by magma, and then reacts with minerals to form a hot liquid solution. H. Dissolved metals and other elements crystallize out of the hot fluid to form new minerals, such as gold, copper, sulfur, pyrite, and galena.
Answer:
What happens to hot water beneath the Earth as it moves up through fractured rock?
Circulating groundwater that comes into contact with the cooling magma is heated and rises to the surface along rock fractures to form either a thermal spring, figmarole, or geyser.
Explanation:
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What was the low temperature for hurricane Katrina?
Answers
Answer: 90 degrees F
Explanation:
nHow would that temperature change affect the density of the air above the land or water being heated, and what direction would the air move?
Answers
Answer:
Water has a high specific heat, which means it absorbs more energy than air to raise its temperature
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Which of the following is a measurement of an object's mass?
O 10 millimeters
O 10 kilograms
10 newtons
O 10 grams per cubic centimeter
Answers
Answer:
10 Kilograms
Explanation:
"millimetres" is a unit of measurement and is used for measuring distances.
"newton" is a unit of weight and is used to represent the weight of an object
:kilograms" is the one used for measuring mass
I will leave a link so you can perform the test! (I have to space it out because brainly doesn't like links) Please answer within the next 45 minutes! !! IF YOU DON'T KNOW, DON'T ANSWER. IF YOU ANSWER WITHOUT KNOWING YOUR ACCOUNT CAN GET BANNED !! (It's happened to me before)
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Answer:
Question 5: The sequence needs to be completed or nothing will happen.
Question 4: A food chain is a sequence of organisms that are connected by their feeding and productivity relationships; a food web is the interconnected set of many food chains. Energy transfer is a one-way process.
Question 3: Heat to molecular motion to mechanical energy to electrical energy
Question 2: Frictional energy
Question 1: Chemical energy is transformed into electrical energy and then into light energy
Explanation:
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A sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°C. If the system is at dynamic equilibrium, which of these statements is true? The rate of freezing is equal to the rate of melting. The rate of freezing is greater than the rate of melting. The amount of ice is greater than the amount of water. The amount of ice is equal to the amount of water.
Answers
At dynamic equilibrium, the concentration of ice and water has been equal. Thus, option D is correct.
The equilibrium state can be given as the condition when the reactant and the product in the chemical reaction have been in equal amount.
In the condition when the water has bee kept in the freezer, the water will condense at the freezing temperature and will be converted to ice. The water there has been the reactant while the ice has been the product.
According to the law of equilibrium, at the equilibrium there has been equal concentration of reactant and products. Thus, at dynamic equilibrium, the concentration of ice and water has been equal. Thus, option D is correct.
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Heredity
Genes
Alleles
Genotype
Phenotype
Dominant
Recessive
Incomplete Dominance
Codominance
Please define these words
Answers
Genes - A distance sequence of nucleotides.
Genes- A gene is the basic physical and functional unit of heredity. Genes are made of (DNA).
Alleles- Allele, also called allelomorph, any one of two or more genes that may occur alternatively at a given site(locus) on a chromosome.
Genotype- A genetic constitution of an individual organism.
Phenotype- The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Dominant- To be in control
Recessive- is a Quality found in the relationship between two versions of a gene.
Incomplete Dominance- is an important concept in the study of genetics.
Codominance- is a relationship between two versions of a gene.
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What is NOT true about genes and chromosomes?
Genese are located on chromosomes
Chromosomes are in the nucleus
A single chromosome can contain hundreds of genes
All of these are true
Answers
Let us go option by option :
1) Genes are located in chromosomes. TRUE
Chromosomes are in cell nucleus. A chromosome contains hundreds and thousands of genes. A normal have 23 pairs of chromosomes, and a total of 46.
2) Chromosomes are the in nucleus.
TRUE
Chromosome is structure found in nucleus of the cell. It is made up of protein and DNA.
3) A single Chromosome can contain hundreds of genes.
TRUE
single Chromosome can contain hundreds of tgenes.
4) All of the above
TRUE
As all the statements above are true. The correct option is 4.
Answer:
all of them are true
Explanation:
this is because chromosomes contain genetic materials and it is present in the nucleus.
Therefore, the correct option is 4) all of these are true
no problem
How is the stimulus concept currently in our lives? (Ivan Pavlov) in TTQA
Answers
Answer:
stimulus is anything that can trigger a physical or behavioral change. The plural of stimulus is stimuli. Stimuli can be external or internal. An example of external stimuli is your body responding to a medicine. An example of internal stimuli is your vital signs changing due to a change in the body.
What happened when the two substances were combined together in the cup? (highlight one)
The substances changed into different substances.
The substances did not change into different substances.
I am not sure if the substances changed into different substances.
Explain your answer using evidence from the Sim.
Answers
Based on evidence from Sim, when two substances were combined they did not change into different substances.
Here the word Sim is used to describe the process simulation. Simulation is defined as when two substances combined they do not change into different substances.
They just combine together and form a new substance.
Let us understand it as the first substance is liquid and the second substance is solid then when we combine both of them they form a new mixture but do not change their property.
The mixture is still liquid but it also has some properties of solid substance.
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The substances did not change into different substances.
Based on the information provided in the question, there is no evidence or indication of any chemical reaction or change in the substances when they were combined in the cup. The question does not mention any observations or effects that would suggest a chemical transformation.
If there were a chemical reaction or change, it would typically be accompanied by observable signs such as color change, gas production, temperature change, or formation of a precipitate. However, since the question does not provide any evidence or observations of such changes, we can conclude that the substances did not undergo any chemical transformation when combined.
It is important to note that without additional information or details about the substances and their behavior, it is not possible to make definitive conclusions. However, based on the given information, the most reasonable conclusion is that the substances remained unchanged when combined in the cup.
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what is the awnser??? (pic is below)
Answers
Answer:
C: Radiation. Arrow x shows radiation. I hope this helps u! If it's wrong, please let me know!!
Chemical Weathering Rocks are changed by chemical and physical weathering. During chemical weathering, the composition of the rock is changed. Extreme heat and pressure within Earth can also cause rocks to change chemically. Physical weathering is the breaking down of rock by wind, water, ice, temperature change, and plants. It changes the shape and size of rocks, but it does not change their properties.
circle each example of chemical weathering
•Shale is worn into small pieces by the wind.
• Sandstone experiences heat and pressure and becomes quartzite.
• Calcium carbonate dissolves.
• Rocks break into pieces as they tumble down a mountain.
Answers
An example of chemical weathering are;
Sandstone experiences heat and pressure and becomes quartzite. Calcium carbonate dissolves.What is Chemical Weathering ?Chemical Weathering can be described as the type of weathering that do take place due to the breaking down of the rock particles into smaller pieces which is usually as a result of chemical process.
It should be noted that when the process is taking place it scould be due to the Extreme heat and pressure which can affect the composition of the particles and as a result of this there could be formation of products from the break down.
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Sandstone experiences heat and pressure and becomes quartzite
Calcium carbonate dissolves
These are both examples of chemical weathering because the composition of these things changed. When shale is worn into small pieces, it is still shale, and rocks breaking into pieces as they tumble down a mountain are both examples of physical weathering because the weathering is not changing the composition of the rock.
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Research how to compost material, which materials are biodegradable, and which are not. A good place to start your research is the EPA website on composing. Create a report on composting, different methods, the pros and cons, and best practices. Make sure you include why you think some materials decompose and others do not. Include a plan of how you might start composting at your home
Answers
These biodegradable materials are materials of organic origin, such as food scraps, fruit peels, pieces of vegetables, among others. As the domestic environment generates a large amount of organic waste, composting in this environment is very favorable, and it can generate a very rich soil to be used in the garden, in vegetables, among other places.
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Research gestation and mating. Find out three other mammals' gestation periods and mating rituals. How long is the gestation period, how do the mates court each other, and do they mate for life? What are some other interesting facts? Choose any three mammals you are interested in and use any sources you like. Write a three-paragraph essay comparing the gestation period of the three animals.
For an extra challenge, see if you can find out if any mammal has a shorter gestation period than mice or a longer one than Asian elephants.
Answers
Answer:
hold on i will help you soon
The period of time when sexual intercourse takes place between two organisms is called mating. However, all the matings need not end in fertilization.
The gestation period is a time when the embryo develops completely into a fetus. This is usually from the time of fertilization to the time of giving birth.
Let us take the comparison of the gestation period of 3 mammals.
The gestation period of a cow varies from 279- 287 days. The mating between the bull and cow occurs during the heat or oestrus period of the cow. At that time the bull mounts on the cow or vice-versa may happen during the mating period. This is termed bulling.
In the case of horses, the gestation period is 320-380days. The mating ritual in a horse is a bit different than in a cow. It usually has three phases of sexual behavior which includes: courtship, mating, and post mating behavior. During courtship, the stallion which is the male horse will approach the mare, prance, sniff her, nuzzle her, and groom her. The mare which is the female horse may squeal, kick, or move away to show the stallion that she is not ready. When the mare is receptive to breeding, she may stand still, deviate her tail, and urinate, leading the stallion to mount her. It usually breeds well in pastures than in controlled environmental breeding conditions.
Whereas in camels, the gestation period is far longer than in cows and horses. It is about 360-440days. The male camel displays its organ called a dulla to show out is ready for mating. The male camel Urinates on its own tail and swishes it over its back so that the Urine contains female-attracting pheromones. It shows distinct violent behavior towards other male camels. The female camel undergoes an estrous cycle in the breeding season which lasts receptive for 3-4 days, and non-receptive following the other 10 days. In the receptive period, the camel sits down and exposes its genitalia for the male camel to copulate. The whole mating takes about 20 minutes and is accompanied by gurgling and frothing by the male and bleating by the females.
It should be noted that African elephants have longer gestation periods like Asian elephants whereas no other animal has a longer gestation period than an elephant or a shorter gestation period than mice.
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What needed to be present in marine mud to form fossil fuels?
Answers
Carbon and Hydrogen.
Answer:
Mostly decaying organisms are needed to present in marine mud to form fossil fuels.
Explanation: When organisms and plants died and sank to the bottom of swamps and oceans, brown soil-like materials called peat are formed. Over millions of years, the peat became covered with sand, clay and other minerals and the peat is converted into layers of sedimentary rocks. After a long time, different type of fossil fuels are formed.
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Answers
Answer: its 5ft tall and 12 inches
Explanation:
Ms. Hu was teaching her students about Earth days and Earth years. She set up this model. How should Ms. Hu move the parts of her model to illustrate an Earth day? Describe what an Earth day is in terms of the movement of the Earth/Sun.
(Earth Science)
Answers
Explanation:
Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution.
Where is the DNA stored in a cell?
Answers
Answer: nucleus
Explanation:
Design Report
Design a Thermos
It’s time to complete your Design 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., U2_ Lab_DesignAThermos_Alice_Jones.doc).
Problem and Constraints
1. What was the problem you tried to solve in your design challenge?
Type your answer here:
2. What were the constraints of the design challenge?
Type your answer here:
Plan
1. Draw a sketch of your design. Include labels and notes about how your design fits the constraints.
Type your answer here:
Test
1. Describe the procedure that you followed to test your design.
Type your answer here:
2. Describe the results of your design test.
Type your answer here:
Evaluation
1. Evaluate your design by describing how well the device performed and whether it met the constraints and solved the problem.
Type your answer here:
2. Revise your design by creating a sketch of an improved model. Describe how the new design is an improvement over the original.
Type your answer here:
Answers
Answer:
sm
Explanation:
s a job and your dad and I will let her get to get to get to the right sir thank I just want and if I will let her when I can do it out and your dad are going I think it's just the right hel
first used the term cell when he used a (5)_____ to observe box-like structures when he was examining cork under a microscope. (6)_____ also saw what we know know as (7)_____ when looking at pond water. These observations, along with the observations of several other scientists over the course of 200 years, lead to the development of the (8)_____.
Answers
Answer:
sorry if its wrong.
Explanation:
(5) a cell was used to refer to these tiny units of life
(6) Robert Hooke
(7) cell walls
(8) modern cell theory. im so sorry if im wrong.
Why are most plants that grow in the tundra small with thin, wax-covered leaves?
The plants need to be able to grow in sandy soil.
The plants need to be able to grow in sandy soil.
The plants need to survive the hot temperatures in the summer.
The plants need to survive the hot temperatures in the summer.
The plants need to survive the year-round dry conditions.
The plants need to survive the year-round dry conditions.
The plants need to be able to grow in the moist, humid air.
Answers
Answer:
The answer is (The plant needs to be able to grow in sandy soil, survive in hot temperatures, and year round conditions.)
Explanation:
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Engineers test the safety of a new car by running a crash test, which shows whether the airbags inflate properly. When the car detects a crash, a small amount of sodium azide (NaN3) stored behind each airbag is heated. The sodium azide breaks down into sodium metal (Na) and nitrogen gas (N₂). The nitrogen gas inflates the airbags in less than one-tenth of a second! This design helps to keep people inside cars from getting seriously injured in a crash.
Complete the table to classify the substances in this chemical reaction.
Answers
Answer:
Under normal circumstances, this molecule is quite stable. If heated, though, it will fall apart. The chemical equation 2 NaN3 --> 2 Na + 3 N2 describes exactly how it falls apart. Notice that the second product of the above reaction is N2, also known as nitrogen gas. A handful (130 grams) of sodium azide will produce 67 liters of nitrogen gas--which is enough to inflate a normal air bag.
Explanation: Because of mathmaticsit works
Nitrogen gas (N2) and sodium metal (Na) are the products of the breakdown of sodium azide.
What is metal?Metal is defined as a solid with good electrical and thermal conductivity that is often hard, glossy, malleable, fusible, and ductile. The majority of metals are ductile and malleable, and they are often denser than other elements. The materials that have a propensity to donate electrons are metals. They have an electropositive makeup.
Airbags are inflated by nitrogen gas in less than a tenth of a second! Because to this design, occupants of cars are less likely to suffer severe injuries in collisions. Sodium azide, often known as NaN3, is the principal chemical involved in the air bag reaction. As a result of the heat produced, sodium azide breaks down into sodium metal and nitrogen gas, inflating the car's air bags.
Thus, nitrogen gas (N2) and sodium metal (Na) are the products of the breakdown of sodium azide.
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How to work out the relative mass of potassium? What is the calculation? ( explained very easily )
Answers
Answer:
39
Explanation:
Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.
———————————
(1/12)th Mass of one C12 atom
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Answers
Answer:
Its not clear
Explanation:
please reupload
Name and Title:
Include your name, instructor's name, date, and name of lab.
Objectives(s):
In your own words, what is the purpose of this lab?
Hypothesis:
In this section, please include the predictions you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.
Procedure:
The materials and procedures are listed in your virtual lab. You do not need to repeat them here. However, you should note if you experienced any errors or other factors that might affect your outcome. Using your summary questions at the end of your virtual lab activity, please clearly define the dependent and independent variables of the experiment.
Data:
Record the elements present in each unknown astronomical object. Be sure to indicate “yes” or “no” for each element.
Hydrogen Helium Lithium Sodium Carbon Nitrogen
Moon One
Moon Two
Planet One
Planet Two
Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please answer all questions in complete sentences using your own words.
Using two to three sentences, summarize what you investigated and observed in this lab.
Astronomers use a wide variety of technology to explore space and the electromagnetic spectrum; why do you believe it is essential to use many types of equipment when studying space?
If carbon was the most common element found in the moons and planets, what element is missing that would make them similar to Earth? Explain why. (Hint: Think about the carbon cycle.)
We know that the electromagnetic spectrum uses wavelengths and frequencies to determine a lot about outer space. How does it help us find out the make-up of stars?
Why might it be useful to determine the elements that a planet or moon is made up of?
Answers
What is the charge on the Cr in Cr2O72-
Answers
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
Pls answer it will be really helpful
Answers
Answer:
304 because 76% - 400 is 96, subtract 400 by 96
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What is the traditional definition of gravity?
Answers
Answer:
A force of attraction between things that have mass. Gravity can act between objects that are not even touching. In fact, gravity can act over very long distances. However, the farther two objects are from each other, the weaker is the force of gravity between them.
what is methyl orange
Answers
Answer:
orange made up from methyl