If 15g of iron reacts with 8.5g of oxygen, how many grams of iron oxide will be produced
Answers
Answer:
23.5g of FeO
Explanation:
Hello,
The question above is asking us to find the mass of iron oxide produced from 15g of Fe and 8.5g of O. Well, to solve this question, we'll require the equation of reaction.
2Fe + O₂ → 2FeO
From the equation of reaction, 2 moles of Fe plus 1 mole of oxygen will produce 2 moles of FeO
Molar mass of Fe = 56g/mol
Molar mass of FeO = 72g/mol
Molar mass of O = 16 × 2 = 32g/mol
Number of moles = mass / molar mass
Mass = number of moles × molar mass
Mass of Fe = 2 × 56 = 112g
Mass of O = 32g
Mass of FeO = 2 × 72 = 144g
From the equation of reaction, (112 + 32)g (Fe + O2) reacts to produce 144g of FeO
114g of reacts produce 114g of FeO
15g of Fe + 8.5g of O2 = ?
(15 + 8.5)g (Fe + O2) = x
X = (23.5 × 114) / 114
x = 23.5g
Therefore, 15g of Fe and 8.5g of O2 will react to produce 23.5g of FeO
Related Questions
Identify all the correct examples of weather
Answers
Answer:
Here are some correct examples of weather:
Sunny and warm weatherRainy and humid weatherFoggy and cool weatherSnowy and cold weatherWindy and stormy weatherHazy and hot weatherThunderstorms and lightningHurricanes and tornadoesClear and crisp weatherOvercast and dreary weather.
Explanation:
espero te ayude
What kind of rocks would you expect to see on Mars? What evidence supports your response?
Answers
Louise has put together the setup shown in the figure to investigate how different masses respond to different forces. A mass is attached to two stretched springs. It rides on a track with very little friction. When Louise pushes the mass to either side and then lets it go, it oscillates back and forth, much like a pendulum. Explain why the mass oscillates.
Answers
Answer:due to the kinetic energy stored in spring
Explanation:
this happen because when spring ia stretched it store kinetic energy and it has the ability to move back and forward so this happen
Due to stored kinetic energy in the spring, the mass oscillated like a pendulum.
It is given that a mass is attached to two springs that are stretched. When Louise pushes the mass to either side and then lets it go, it oscillates back and forth resembling a pendulum.
This movement is observed because the mass if the block placed is shared between the two springs. This let the two springs to store the energy in them. This could also be given as potential energy.
When the mass is moved in the either side, the potential energy in the springs are turned into kinetic energy leading to movement of the mass. Since, the mass is help up with two springs, oscillatory movement or to and fro motion of the spring is observed.
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When you use electricity in your home, which resources are powering it? Research the energy resources used to power your state’s electrical grid (that’s what supplies your home with electricity). In the space below or on a separate sheet of paper, create an informative handout to provide to the people of your state.
Include the following information in your handout:
• Which state do you live in?
• What is the population of your state?
• What percent of the electricity in your state comes from
nonrenewable resources?
• What percent of the electricity in your state comes from
renewable resources?
• What percent of the electricity in your state comes from
nuclear energy?
• Which renewable resource is used the most in your state?
• What is an interesting fact about energy usage in your state? i live in ga
Answers
Answer:
Georgia
Population: 10,729,261
Nonrenewable resources: 32%
Renewable resources: 12%
Nuclear energy: 24%
Renewable resources used the most: Biomass
Interesting fact: Georgia is the national leader in electricity generation from biomass.
What is biomass?Biomass is organic matter that comes from plants and animals. It can be used to generate electricity, heat, and fuel.
How does biomass work?Biomass can be burned directly to generate electricity, or it can be converted into a liquid or gas that can be burned in a power plant.
What are the benefits of using biomass?Biomass is a renewable resource, which means it can be replaced over time. It is also a clean-burning fuel, which means it does not produce air pollution.
What are the challenges of using biomass?Biomass can be expensive to produce and transport. It can also be difficult to store and manage.
What is the future of biomass?Biomass is a promising source of energy, and it is likely to play an increasingly important role in the future.
What can I do to help?You can help by using less energy in your home. You can also support the development of renewable energy sources, such as biomass.
Answer:
BY BURNING FOSSIL FUELS MOST OF ELECTRICITY IS PRODUCED. SOLAR PANELS ARE BEING USED AT DOMESTIC LEVEL TO CONVERT SUNLIGHT DIRECTLY INTO ELECTRICITY.
Explanation:
I LIVE IN PAKISTAN . PAKISTAN PRODUCES ITS MOSTOF ELECTRICIT BY BURNIG FOSSILS. HERE PRODUCTION OF ELECTRICITY THROUGH RENEABLE ENERGY RESOURCES IS LESS . PAKISTAN HAS ABOUT 22 CRORE POPULATION AND BECAUSE OF ITS LARGE POPULATION IT IS SUFFERING FROM GREAT ENERGY CRSIS.MOSTLY COAL IS BURNT TO PRODUCE ELECTRICITY. ABOUT 2.4% ENERGY IT PRODUCES THROUGH RENEWABLE ENERGY RESOURCES SUCH AS THROUGH WATER STORED IN DAMS.
There are 2 main types of _______. One is a _______, where electrons are shared between atoms. The other is an _______, where one atom loses an electron to become a _______ charged ion, and the other atom gains the elctron to become a _________ charged ion.
Answers
Hello..!
There are 2 main types of ions one is an atom where the electrons are shared between the atoms. the other is an electron where one atom loses an electron to become a neutral in a charged ion, and the other atom gains the electron to become a charged lon anion.
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Ions with a positive charge are known as cations. Those that are negatively charged are called anions.
¿Doubts? in the comments Greetings.
The two main types of bonds formed between atoms are ionic bonds and covalent bonds. An ionic bond is formed when one atom accepts or donates one or more of its valence electrons to another atom. A covalent bond is formed when atoms share valence electrons.
Can you help me please
Answers
Answer:
D
Explanation:
DDDDD
When we rewrite the given in a simpler unit we have 7.9 ms-1.
What is dimensional analysis of formulas?By looking at the units of the quantities involved, dimensional analysis is a technique for determining whether a physical equation or formula is right. The essential tenet of dimensional analysis is that the quantities being multiplied or divided in the equation must have units that are equal to the units of the final result.
We know that we have to apply the principles that apply to dimensional analysis in the question and we have that;
m^2.s/m.s^2
= ms-1
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HELP RTIGHT NOWWWWWWWWWWWWWWWWW
Answers
Explanation:
biosphere
that is the answer
Answer:
biosphere
I hope it help
On this number line, zero represents sea level. Plot the following points based on the description provided by dragging and dropping the dots to the appropriate locations on the number line.
greatest common factor of 8 and 12
where does this go on the number line
Answers
On the number line
Compare and contrast the applications and benefits of circle graphs and bar charts
Answers
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
Answers
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
What scientific laws did Newton present in Principia?
Answers
Answer:
The Principia states Newton's laws of motion, forming the foundation of classical mechanics; Newton's law of universal gravitation; and a derivation of Johannes Kepler's laws of planetary motion (which Kepler had first obtained empirically).
Explanation:
Part D
The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced round seeds. However, in the fifth generation, the plant produced to two plants with wrinkled seeds. Can that be possible? Explain your answer using your pedigree chart.
Answers
This happens due to the fact that the plants were matched with the prevailing version. This would result in all the progeny possessing both characteristics. Considering this point, it would enable the progeny to exhibit Wrinkled Seed characteristics.
What is the lineage of pea plantsIf both copies of the recessive allele (ss) are inherited by the offspring, they will exhibit the characteristic linked to that allele, which, in this instance, is the presence of wrinkled seeds.
The reason for this is that the recessive allele is able to be expressed without interference from the dominant allele when there are two recessive alleles present. The seed texture trait in the offspring of the dominant and recessive parent plants will result in heterozygosity (Ss).
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HELP ME!!
How many people prefer pepperoni or tomato as a topping?
Answers
Answer:
375
Explanation:
325 + 50 = 375
just add them together and you get 375
I think all you do is add the pepperoni and tomato together, and you’re done! :D
Please help, I’ll give brainliest!
Answers
Answer:
the coefficient of NO3 is going to be 2
Explanation:
Cu+2NO3−+2H2O→Cu2++2NO2+4OH−
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.
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(1/12)th Mass of one C12 atom
The diagram below represents a beaker of water being heated by a flame. The arrows represent heat transfer occurring in the beaker.
Which process is represented by the arrows in the diagram?
1. condensation
2. conduction
3. convection
4. radiation
Answers
Answer:
condensation
Explanation:
1. Select the best answer.
This type of heat transfer happens because of the uneven heating of liquids and gases.
convection
radiation
conduction
Answers
Answer:
I'm assuming it's convection.
Explanation:
When heat is transferred to liquids and gases, they carry that heat energy with them, further spreading it.
Answer:
I'm not 100% sure but I think it's Convection I'm not sure but I know Convection is heat flux through liquids and gases.
Explanation:
I'm sorry if it's wrong I tried
NEED ASAP!!!!
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SELECT ALL THE CORRECT ANSWERS.
——————————————————
MULTIPLE CHOICE QUESTION!!!
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The graph gives information on greenhouse gas (GHG) emissions from industries. Which questions would help clarify the evidence from this graph?
A. What caused a drop in GHG emissions around 2009?
B. Did GHG get emissions cause the melting of arctic glaciers?
C. How much methane was emitted by homes between 1990 and 2000?
D. Does industrial equipment release gases other than greenhouse gases?
E. Which types of industries were included in the study?
Answers
Answer:
D. Does industrial equipment release gases other than greenhouse gases?
E. Which types of industries were included in the study?
Explanation:
How is density different from weight and mass?
Answers
Hello there!
How is density different from weight and mass you say? It's simple!
1. Unlike weight, density is composed of mass and volume.
2. By dividing the mass over the volume, you can determine an object's density, while weight is the product of mass and gravity.
Hope this helps :) if so, can I get Brainliest?
Weight is how heavy an object is/ how much force it exerts
Mass is how much matter is in an object
I hope this helps! If you need the formulas on how to get them you can always comment and ask :)
Which of the following is a basic need?
car
shelter
bike
computer
Answers
(Planet X is earth without tilt.)
if the The amount of daylight received by the Northern Hemisphere on Planet X would
change or not change throughout the year.
Answers
Scientists have discovered a colony of potential organisms on the Planet Moby and named them "Maxoids." Read the information below that scientists have gathered on Maxoids and decide whether Maxoids are living or nonliving things. Explain how you came to this conclusion.
Through testing and observation, scientists have recorded the following characteristics of Maxoids. Maxoids reproduce via sexual reproduction. One parent carries the Maxoid eggs for 12 weeks before they hatch. After hatching, juvenile Maxoids continue to grow for seven months. To acquire energy for growth, Maxoids consume a peculiar liquid substance native to the planet Moby. The Maxoids' cells use this energy, as well as large amounts of water, to carry out important functions. The Maxoids are sensitive to changes in internal temperature. Sometimes they dig holes and lay in them to cool down if they get too warm.
Answers
The Maxoids are living things because they possess the characteristics of living things.
What are living things?Living things are things which have life in them.
Living things are identified by the characteristics which make them living.
The characteristics of living things include:
Movement - living things are able to move all or parts of their bodyRespiration - living things are able to break down food substances to produce energyNutrition - living things are able to take in food substancesIrritability - living things are able to respond to changes around themGrowth - living things are able to increase in size and massExcretion - living things are able to remove waste substances from their bodiesReproduction - living things are able to produce new ones of their kindConsidering the Maxoids;
They are able to reproduceThey take food in the form of a liquid substanceThey are sensitive to changes in internal temperatureIn conclusion, the Maxoids are living things.
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Calculate the ratio of H+ ions to OH– ions at a pH = 6. Find the concentration of H+ ions to OH– ions listed in Table B of your Student Guide. Then divide the H+ concentration by the OH– concentration. Record this calculated ratio in Table A of your Student Guide.
What is the concentration of H+ ions at a pH = 6? mol/L
What is the concentration of OH– ions at a pH = 6? mol/L
What is the ratio of H+ ions to OH– ions at a pH = 6? :1
Answers
Answer:
1:1 ratio
Water (H2O) splits into Hydrogen Ions (H+) and Hydroxyl Ions (OH-). When there are equal parts of Hydrogen Ions (H+) and Hydroxyl Ions (OH-) leading to a 1:1 ratio, pH is neutral (7).Explanation:
The concentration of H + ions at pH 6. The concentration of H + can be deduced by the formula pH = - log H + ==> H + = 10 ^ (- pH) ...
Concentration of -OH at pH 6. The concentration of -OH can be calculated from pOH: pOH = 14 - pH = 14 - 6 = 8. ...
Calculation of the ratio H + / -OH:
1) a cold air mass and meets warm air mass. what will happen, in terms of the difference in their densities?
2) archie needs to find the density of an intricately crafted crown, to see if it is pure gold. he has no trouble measuring mass, but he doesnt know what to do next. what should he do?
I NEED HELP PLEASEEE
Answers
cold air sinks because more dense.
To find the density of an object measure its mass and its volume. Divide mass by volume to get an object’s density.
Hope this helps:)
Do you think the younger scientist had enough evidence for his prediction?
Answers
Answer:
yes
Explanation:
Define reference frame in your own words. Give an example of how you could use different reference frames for the same motion.
Answers
Answer:
Reference frame can be defined as from the perspective of an individual to tell if an object is moving.
Example:
Eienstien used a reference frame in his train thought experiment.
A student wants to determine the effect of mass on kinetic energy. She will drop two balls of the same size into a pool of water. Which investigation method should the student use?(1 point)
a. She should drop two balls of the same mass from different Hights.
b.she should drop two balls with different masses from the same Hights
c.she should drop two balls with different masses from different Hights
d.she should drop two balls of the same mass from the same Hights
Answers
Answer please and thank you
Answers
Answer:
speed is the distance an object travels per unit of time
velocity is speed in a given direction
Answer:
1. Speed in a given dirrection
2. The rate at wich velocity changes with time
Explanation:
I took the test.
Jasmine has been reading about mixtures and how they can be classified.
After reading about the kinds of mixtures and their characteristics, she wants to know how a heterogeneous mixture is different from a homogeneous mixture. What is the main difference between these two kinds of mixtures?
A. In a heterogeneous mixture, the components are not evenly spread throughout the mixture. In a homogeneous mixture, the components are evenly spread throughout the mixture.
B. In a homogeneous mixture, the components are not evenly spread throughout the mixture. In a heterogeneous mixture, the components are evenly spread throughout the mixture.
C. In a homogeneous mixture, the components are easy to see and are well mixed so the components show up in different parts of the mixture.
D. In a heterogeneous mixture, the components are difficult to see and are spread out uniformly throughout the mixture.
Answers
Answer: The correct option is (In a heterogeneous mixture, the components are not evenly spread throughout the mixture. In a homogeneous mixture, the components are evenly spread throughout the mixture.)
Explanation: Have a good day :)
Answer: its A
Explanation:
I already did the test
A. What evidence have you discovered to explain why air flows? B. What evidence have you discovered to explain why Earth has global wind systems? C. What evidence have you discovered to explain why ocean waters flow? D. What evidence have you discovered to explain how wind influences the movement of water? And for the Summary. Water off the coasts of some continents is typically colder than water further offshore because...