Answer:
They would be pushed out and lose their homes
Explanation:
A wildfire destroys most of the plant life in a forest. Animals would be pushed out and lose their homes.
What is wildfire?An unplanned, uncontrolled, and unpredictable fire inside an area of flammable vegetation is known by several names, including wildfire, bushfire, bushfire, wildland fire, and rural fire. A wildfire may be more precisely referred to by the terms bushfire, desert fire, forest fire, hill fire, peatland fire, prairie fire, vegetable fire, or veld fire, depending on the kind of vegetation that is present.
Wildfires are separate from controlled and prescribed burning, which is a good human use of wildland fire, even though controlled burns have the potential to turn into wildfires. Wildfires likely started shortly after terrestrial plants first appeared, which occurred in the Silurian epoch 419 million years ago, according to fossil charcoal. A wildfire destroys most of the plant life in a forest. Animals would be pushed out and lose their homes.
Therefore, animals would be pushed out and lose their homes.
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A student mixes aqueous solutions of NISO4 and NaOH. What will be the correct formula of the precipitate that is formed
The correct formula of the precipitate that is formed is Na₂SO₄ + Ni(OH)₂.
What is a precipitate?The solid substance, that is present at the bottom of the liquid, is insoluble in liquid.
The precipitate formed in reacting the nickel sulfate and sodium hydroxide is sodium sulfate and nickel hydroxide.
The formation of precipitate caused by the compound is called precipitant.
Thus, the correct formula for precipitate is Na₂SO₄ + Ni(OH)₂.
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PLEASE HELP!!!!!!!!
The atom shown below is
An atom is shown with a large red central sphere and two levels of rings around it. The first ring has two small red spheres and the second has 8 small red spheres. The small spheres are evenly distributed on the rings.
A. likely to form a covalent bond
B. likely to form an ionic bond
C. not likely to form any bonds
D. likely to form double bonds
What is the specific heat, thermal conductivity, density of polyurethane foam?
Silver nitrate reacts with iron (III) chloride to produce silver chloride and iron (III) nitrate. In a particular experiment, a solution containing 25.0 g of silver nitrate is completely reacted. Write the balanced chemical equation for the reaction and determine how many grams of iron (III) nitrate were formed.
Explanation:
Silver nitrate + iron (III) chloride --> silver chloride + iron (III) nitrate
The balanced chemical equation is given as;
2FeCl3 + 3Pb(NO3)2 → 2Fe(NO3)3 + 3PbCl2
Mass of Pb(NO3)2 = 25g
How many grams of iron (III) nitrate were formed?
From the equation;
3 mol of Pb(NO3)2 produces 2 mol of Fe(NO3)3
Converting to mass using;
Mass = Number of moles * Molar mass
Pb(NO3)2;
Mass = 3 mol * 331.2 g/mol
Mass = 993.6 g
Fe(NO3)3;
Mass = 2 mol * 241.86 g/mol
Mass = 483.72 g
This means 993.6 g produces 483.72 g
We have;
993.6 g = 483.72 g
25 g = x
solving for x;
x = 25 * 483.72 / 993.6
x = 12.1709 g of iron (III) nitrate
Kidneys remove what kind of waste from the body? A. Undigested food B. Carbon dioxide C. Oxygen D. Nitrogen waste
Answer:
Option D: nitrogen waste
Explanation:
Excretion.
This is removal from of waste products of chemical reactions. It involves the eliminating excess water and salts taken in with our human diet and also spent hormones
Nitrogenous waste products are the human waste products which contain nitrogen and are poisonous to the body.
The kidneys is responsible for the remove of Nitrogenous waste, water, salts, toxins, hormones e. t. c. It is the are the main principle excretory organs. They maintain the constant concentration of materials in the body.
Give one example of
a) Homogeneous mixture of two elements
Answer:
honey
Coffee
blood
Explanation:
These components are uniformly distrubuted and these cannot be seperated unlike heterogeneous
Using the information provided in the picture, where would we find the
water with the highest concentration of pollution?
Select one:
A: Point x
B: The Northern White River
C: Point z
D: Point Y
Answer:
b
Explanation:
When cobalt(II) chloride is allowed to react with sodium hydroxide, the resulting
products are cobalt(II) hydroxide and sodium chloride. Determine the mass of
cobalt(II) chloride required to completely react with 114g of sodium hydroxide.
Answer:
Reaction CoCl2 + 2 NaOH -> Co(OH)2 + 2 NaOH
You need to count number of moles of NaOH
Amount of mole is n = m/M = 114 g / 39.998 g/mol = 28,5 mol (about)
Amount of CoCl2 is half from that
Calculate molar mass of CoCl2 and multiply it by 28,5 mol
Explanation:
Ethanol, C2H5OH, reacts with phosphorus trichloride, PC13:
3C2H5OH(aq) + PC13(aq) - 3C2H5C1 (g) + H3PO3(aq)
Which is the actual mass of chloroethane, C2H5CI, produced if 138.0 g of ethanol is
consumed in excess phosphorus trichloride? The percentage yield for this reaction is
93.00 %.
Answer:
no
Explanation:
no
What type of reaction does this investigation demonstrate, and as time progresses what will happen to the mass reading on
the scale?
O A. This is a synthesis reaction and the mass reading will decrease as time progresses.
OB. This is a decomposition reaction and the mass reading will stay the same as time progresses,
C. This is a synthesis reaction and the mass reading will stay the same as time progresses,
D. This is a decomposition reaction and the mass reading will decrease as time progresses,
Answer:
B. This is a decomposition reaction and the mass reading will stay the same as time progresses,
Explanation:
Decomposition reactions are when one reactant decomposes (breaks down) into two or more products. They follow the general form of:
AB --> A + B
The law of conservation of mass tells us that when a chemical reaction takes place, no mass is created or destroyed but transforms from one form to another. You can see from the diagram that you have the same number and type of atoms on each side of the reaction.
Answer:
B
Explanation:
A student titrates an unknown weak acid, HA, to a pale pink phenolphthalein endpoint with 25.0 mL of 0.100 M NaOH. The student then titrates in 11.0 mL of 0.100 M HCl to the solution containing the neutralized unknown acid (HCl was delivered from a second buret). The pH of the resulting solution is pH
Answer:
Hello your question is incomplete the pH of the solution is unknown hence I will take the pH of the solution be = 4.7
answer : Pka = 5 i.e. > 4.7
Explanation:
Student titrates :
Unknown weak acid ( HA ) with 25 mL of 0.100 M of NaOH ( to a pale pink phenolphthalein endpoint ) then titrates with 11.0 mL of 0.100 M HCL to the solution that contains neutralized unknown acid
Assuming pH of solution = 4.7
HA + NaOH --------> H2O + NaA
at equilibrium point
0.1 * 25 * 1 = n * 1 ∴ [tex]n_{ha}[/tex] = 2.5 mmoles ------ 1
also
[tex]A^-[/tex] + HCL ---------> HA + C[tex]L^-[/tex]
at equilibrium point
[tex]n_{a}[/tex] = 1.1 mmoles --------- 2
The ratio of reaction 2 to 1
[tex]\frac{n_{a} }{n_{ha} }[/tex] = 1.1 / 2.5 ≈ 1/2 ( this show that when the pH = 4.7 approximately half of the A^- have been converted to HA )
Determine the pKa value of the solution
Given that
pH = Pka + log ( A^- / hA )
4.7 = Pka + log ( 1/2 )
therefore Pka = 4.7 - ( -0.3 ) = 5
help, please. balance these equations by writing the proper coefficients in the blanks provided.
1. _____Mg + _____O2 --> _____ MgO
2. _____P + _____O2 --> _____ P2O5
3. _____S + _____O2 ---> _____SO2
4. _____Na + _____Cl --> _____NaCl
5. _____CaCO3 --> _____CaO + _____CO2
thank you :)
Answer:
1. 2,1,2
2. 4, 5, 2
3. 1,1,1
4. 1, 1, 1
5. 1, 1, 1
Hope this helps!
Calculate the number of atoms
in 10.0g of He.
A. 3.83 x 1023
B. 2.41 X 1024
C. 1.51 X 1024
D. 6.02 x 1023
Q4
Which of the following is an example of nonpoint source pollution?
A. industrial effluent
B. Agricultural runoff
C. illegal dumping of waste
D. Oil leaking from your car
Answer:
Option C.
Ilegal dumping of waste
Explanation:
This is because non point source of pollution refers to source of pollution that are many and not directly one which is illegal or does not meet the legal term. This type of pollution does not have a point source, it has many sources and this type of pollution is cause by rainfall or precipitation. Where when the rain fall, it wash away the waste through to water bodies, causing pollution and endangering water bodies.
what element is used in bicycles?
Answer: It wasn't that long ago that frames were made out of cast iron or even wood. Today bicycles are made out of exotic materials such as titanium, aluminum, and carbon fiber. Bicycle frames in the 1990s are lighter and stronger than ever before. A racing bicycle frame with parts of the frameset indicated.
Explanation:
Bicycles are now made of exotic materials like titanium, aluminum, and carbon fiber. Bicycle frames are lighter and stronger than ever before in the 1990s.
What metal is used to make bicycles?Steel is the most common material used in bike frames. Carbon or high-tensile steel is a good, strong, and long-lasting steel, but it isn't as light as its more advanced sibling, chromoly steel.
So we've established that the bike has mass and occupies space, and thus the bicycle is matter.
Some bicycles are constructed from titanium or scandium-aluminum alloyed metals. Some bicycles have a steel alloyed frame.
Thus, Recycling yields aluminum, iron (and steel), magnesium, titanium, zinc, and silica (from glass). Bicycles are now made of exotic materials like titanium, aluminum, and carbon fiber.
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What are some of the ethical issues of editing human DNA? Cite examples from the text to defend your answer.
Answer:
one would be if the human had no say in it
The most controversial ethical issue surrounding modifying human DNA is, according to the text, is that it will lead to the creation of designer children with improvements in intelligence or physical performance.
What is DNA?Humans and nearly all other species carry their genetic information in DNA, also known as deoxyribonucleic acid.
The DNA of an individual can be found in almost all of their cells.
The majority of DNA is found in the cell nucleus (where it is known as nuclear DNA), but there is also a small quantity of DNA in the mitochondria (where it is called mitochondrial DNA or mtDNA).
Other ethical issues include the possibility of an identity crisis for a person born with genes from three different people as well as the danger of making mistakes in the human genome that could lead to the spread of genetic illnesses in the population.
Thus, it can be concluded that there are various ethical issues of editing human DNA.
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Your question is incomplete, but most probably the complete question was,
Read Proposed Treatment to Fix Genetic Diseases Raises Ethical Issues, By Rob Stein, NPR's Morning Edition, 2013
What are some of the ethical issues of editing human DNA? Cite examples from the text to defend your answer.
??? Ipc helppp pllzz
Help for extra points & brainlest !
Answer: i think is true
Explanation:
True. Cells have jobs in your body as they have functions to do.
Scientists group similar organisms together through a process called …..
Identification
Identification
Organization
Organization
Estimation
Estimation
Classification
Answer:
i think it's Organization
Explanation:
The reason being is because they obviously said 'humans' so that's why i think it is Organization
Scientists group similar organisms together through the process called classification. Each similar groups is classified into different organizations.
What is biological classification?The arrangement of species into groups according to significant similarities is known as biological classification. Then, these groups are broken down into more focused, smaller subgroups. Additional details on the species that make up each subgroup are provided.
Organisms are categorized by scientists to make them simpler to research and to facilitate information sharing. Before biologists properly comprehended genetics, the study of biological classification was conducted.
At first, scientists simply categorized creatures based on their outward appearance. Later, as genetic research developed, classification of organisms was based on the genetic and evolutionary links between them.
Therefore, scientists classify each organisms to suitable organizations.
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what is wind in more than 15 words?
Answer:
Wind is Air in a natural motion, as that moving horizontally at any velocity along the earth's surface.
How many liters are in 72.1 g HBr?
Answer:
0.0721
Explanation:
What does it mean to be limiting or excess? (Limiting Reactant)
Answer:
Find the limiting reagent by calculating and comparing the amount of product each reactant will produce. Balance the chemical equation for the chemical reaction. The reactant that produces a lesser amount of product is the limiting reagent. The reactant that produces a larger amount of product is the excess reagent.
Explanation:
Can someone help, please...?
I really can't understand this...
4.How element gold is different from oxygen?
Answer:
Gold is a metal, more specifically a transition metal, whereas Oxygen is a nonmetal, more specifically a reactive nonmetal. Using this information, you can compare and contrast metals, nonmetals, and metalloids.
Metals are:
Shiny
High melting point
Mostly silver or gray in color
Mostly solids at room temperature – Mercury (Hg) is a liquid at room temperature
Malleable – able to be hammered into a thin sheet
Ductile – able to be drawn/pulled into a wire
Good conductors of heat and electricity
Nonmetals are:
Dull
Low melting point
Brittle – break easily
Not malleable
Not ductile
Poor conductors of heat and electricity
Metalloids are:
Found on the “zig-zag” line on the Periodic Table of Elements
Have properties of both metals and nonmetals
Can be shiny or dull
Semiconductors – able to conduct electricity under certain conditions
Explanation:
Reccomend this site for questions llike these: https://ptable.com/#Properties
Plz answer question! Due Today!!! Question is in picture! Will make BRAINLIEST for first correct answer!!! No links plz!
Answer:
I'd Go. B. weigh everything, let the reaction happen, then weigh everything again.
I need help :/
:) :) :)
Answer: I want to say 1
Explanation:
I think
The number of protons is equal to
a the number of neutrons.
b the atomic mass.
c the number of electrons.
d the atomic number.
Answer:
c the number of electrons
what will happen if fossil fuels don't exist??
Answer:
When fossil fuels are no longer available—especially if it happens abruptly, which it potentially will—we're going to see patients dying in hospitals and healthcare facilities due to electricity failure, and this will be particularly acute during natural disasters.”
Answer:
we wouldn't have cars
Explanation:
2KClO₃ → 2KCl + 3O₂ If 25.0 g of KClO₃ decompose, what mass of O₂ will form? *
Answer: approximately 15.1 grams.
Explanation: The key to chemistry is to change everything to moles. Then when you have the answer in moles change the answer back to grams, liters, or whatever you want. Change 25 grams of potassium chlorate to moles. Chlorate is Cl with 3 oxygens. ate = saturated. Chlorine has seven valance electrons when it is saturated six of these electrons are used by oxygen ( 2 electrons per oxygen) leaving only 1 electron. 1 K x 39 grams/mole+1 Cl x 35.4grams/ mole+3 O x 16 grams/ mole = 122.4 grams / mole Potassium Chlorate 25 122.4 = moles. 2.05 moles of Potassium Chlorate. There is a 1:1 mole ratio. 1 mole of Potassium Chlorate will produce 1 mole of Potassium Chloride. 2.05 moles of Potassium Chlorate will produce 2.05 moles of Potassium Chloride. Find the gram molecular mass of Potassium Chloride. 1 K x 39 = 39+1 Cl x 35.4 = 35.4 = 74.4 grams / mole. 2.05 moles x 74.4 grams/ mole = 15.2 grams
The mass of O₂ that will be form is 9.8 grams
The chemical reaction is as follows:
2KClO₃ → 2KCl + 3O₂
From the reaction 2 moles of potassium trichlorate decompose to form 2 moles of potassium chloride and 3 moles of oxygen.
Therefore,
molar mass of KClO₃ = 39 + 35.5 + 48 = 122.5 grams
molar mass of O₂ = 32 grams
Therefore,
2(122.5) g of KClO₃ produces 3(32) grams of O₂
25 g of KClO₃ will produce ? grams of O₂
cross multiply
mass of O₂ produced = 96 × 25 / 245
mass of O₂ produced = 2400 / 245
mass of O₂ produced = 9.7959
mass of O₂ produced ≈ 9.8 grams
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What is the Hsol for KF →K+ + F-? The lattice energy is –784 kJ/mol, the enthalpy of hydration for Ki is –336
kJ/mol, and the enthalpy of hydration for F-is-431 kJ/mol. Use AHsol= - Hiat + Hydr
0-879 kJ/mol
0 -17 kJ/mol
O 17 kJ/mol
O 1,551 kJ/mol
Answer:
17 kJ/mol
Explanation:
got it on edge