Some animals would be forced to migrate due to cutting of forest , Option D is the correct answer.
The complete question is
Humans clear-cut a forest. Which is one possible way that animals would most likely be affected by this action? Some animals would adapt. Some animals would go extinct. Some animals would evolve. Some animals would be forced to migrate.
What is deforestation ?Deforestation means cutting down trees of the forest for wood , or for making more space for living.
Deforestation leads to destruction of habitats of animals .
The balance of the nature gets disturbed , the sea and water bodies get dried up , leading to no water for the animals in the forest.
Animals need big bushes and trees to hide and live.
The Ecosystem gets destroyed because of the cutting of trees by human and so this has lead the animals to migrate.
Therefore Option D is the correct answer.
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Which type of reaction does this diagram represent?
Answer:
Nuclear fission
Explanation:
Because the little particles are being spread out and the two elements are broken apart
Please help/show work!
how many grams of n2 has gave a volume of 11.2 liters at stp? ideal gas law
Answer:
7.00335g
Explanation:
[tex]n=\frac{V}{V_m} \\n = \frac{11.2}{22.4} \\n= 0.5 mol[/tex]
[tex]n=\frac{m}{M} \\m=nM\\m=(0.5)(14.0067)\\m=7.00335g[/tex]
what mass in grams of hydrogen is produced by the reaction of 4.73 g of magnesium with 1.83 of water
The mass, in grams, of hydrogen that would be produced from the reaction will be 0.102 grams
Stoichiometric calculationsFrom the balanced equation of the reaction:
[tex]Mg + 2H_2O -- > Mg(OH)_2 + H_2[/tex]
The mole ration of magnesium to water is 1:2.
Mole of 4.73 grams Mg = 4.73/24.3 = 0.195 moles
Mole of 1.83 grams water = 1.83/18 = 0.102 moles
Hence, water is limiting.
Mole ratio of water to the hydrogen produced = 2:1
Equivalent mole of hydrogen gas produced = 0.102/2 = 0.05 moles
Mass of 0.05 moles hydrogen gas = 0.05 x 2 = 0.102 grams
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a natrual distsater caused a population of 4,695 organisms to migrate to a new habitat. a few generations after the disaster it was observed that the new habitat did not sopport the survival of the species. the table shows the population of the species in two habitats
Answer:
49.54%
Explanation:
Given parameters:
Number of organisms in original habitat = 4695
Number of organism in new habitat = 2326
Solution:
To find the percentage of the organisms in the new habitat that has migrated to the new habitat, we use the expression below:
% of the population in the new habitat = x 100
% of the population in the new habitat = x 100 = 49.54%
What does it mean for a strong base to be in equilibrium?
o the position of equilibrium lies far to the right, with products being favored.
o the position of equilibrium lies far to the left, with products being favored.
there is a great deal of base and very few ions.
o there is an equal amount of reactants and products.
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The position of equilibrium lies far to the right, with products being favoured. Hence, option A is correct.
What is equilibrium?Chemical equilibrium is a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.
A very high value of K indicates that at equilibrium most of the reactants are converted into products.
The equilibrium constant K is the ratio of the concentrations of products to the concentrations of reactants raised to appropriate stoichiometric coefficients.
When the value of the equilibrium constant is very high, the concentration of products is much higher than the concentration of reactants.
This means that most of the reactants are converted into products and the position of equilibrium lies far to the right, with products being favoured.
Hence, option A is correct.
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Ammonium hydrogen sulfide (NH4HS) can
decompose to ammonia and hydrogen sulfide:
NH₂HS(S)NH₂(g) + H₂S(g)
What is the equilibrium constant expression for
this system?
[tex]K_c = \frac{[NH_2]^{1}[H_2S]^{1}}{[NH_2HS]^{1}}[/tex] is the equilibrium constant expression for
NH₂HS(S) → NH₂(g) + H₂S(g). Hence, option A is correct.
Definition of equilibrium constant.A number that expresses the relationship between the amounts of products and reactants present at equilibrium in a reversible chemical reaction at a given temperature.
Equilibrium constant for the NH₂HS(S) → NH₂(g) + H₂S(g) will be:
[tex]K_c = \frac{[Product]^{coefficient}}{[Reactantt]^{coefficient}}[/tex]
[tex]K_c = \frac{[NH_2]^{1}[H_2S]^{1}}{[NH_2HS]^{1}}[/tex]
Hence, option A is correct.
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The empirical formula of a chemical substance is CH₂. The
molar mass of a molecule of the substance is 56.108 g/mol.
What is the molecular formula of the chemical substance?
Answer:
Explanation:
Remark
CH2 provides the basic structure of the hydrocarbon. It will be multiplied by some factor determined by the number of grams / mol. I will use rounded numbers because all periodic tables are slightly different.
Theoretical mass of CH2
1 C = 1 * 12 = 12
2 H= 2 * 1 = 2
Mass CH2 = 14
The multiplier for CH2
56.108 rounded = 56
Multiplier = molar mass (rounded)/Mass CH2
Multiplier = 56/14 = 4
Chemical
(CH2)_4 = C4H8
Answer: C4H8
What differences do you notice when you heat up the brick and the iron at same temperature?
After heating the brick and the iron, it is observed that the brick heats up quicker and the brick releases energy quicker.
What is thermal energy?Thermal energy (also called heat energy) is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other.
The iron has more energy than the brick even though it is at the same temperature. That means that the iron must have more particles than the brick.
Iron and brick are both solids and have the same volume, so the difference in total energy must be due to atomic composition.
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Magnesium combines with oxygen to form magnesium oxide. If 10.57 g of
magnesium reacts completely with 6.96 g of oxygen, what is the percent by mass of
oxygen and magnesium?
The total mass is 10.57+6.96=17.53 g.
So, the percent by mass of magnesium is (10.57)/(17.53) * 100 = 60.3%
The percent by mass of oxygen is (6.96)/(17.53) * 100 = 39.7%
ladybug beetles chase, capture, and eat smaller insects called aphids. which best describes this relationship?
The relationship is predation. The ladybugs are the predators and the aphids are the prey.
What is predation?Predation is an interaction in which one organism, the predator, eats all or part of the body of another organism, the prey.
As per the information in the question, Ladybug beetles chase, capture, and eat smaller insects called aphids.This means that aphids act as food sources for Ladybug beetles.
Predation can be described as a biological interaction between two organisms belonging to two different species where one organism ( called predator) captures and consumes/eats another organism ( that is called prey).
Here, Ladybug beetles ( that capture and eat small insects) are predators and the insects are prey.
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How many NH3 molecules are produced by the reaction of
4.0 mol of Ca(OH)2 according to the following equation:
(NH4)2SO4 + Ca(OH)2 → 2 NH3 + CaSO4 + 2 H₂O
Answer:
1 mol Ca(OH)2 produces 2 mol NH3
4 mol Ca(OH)2 will produce 8 mol NH3
1 mol NH3 contains 6.022*10^23 molecules NH3
8 mol NH3 contain 8*6.022*10^23 = 4.8*10^24 molecules NH3
Explanation:
state 2 gases used for combustion
which radioactive waste can be stored for decay and then safely released into the environment?
N-16
Sr-90
Cs-137
Pu-239
The radioactive waste can be stored for decay and then safely released into the environment is N-16.
What are the types of decay?Decays can be of three types: alpha, beta and gamma. Each of them corresponds to a different radioactive particle, which changes the nucleus of the emitting atom according to its characteristics.
Nitrogen 16 ( 16 N ) is the unstable isotope of nitrogen whose nucleus consists of 7 protons and 9 neutrons. Its period is 7.13 s.
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Find the value of c with the correct number of significant
figures from the equation a-b-c = 401, if a = 1387.11 and b =
928.321.
Answer:
19-73 70-65-46 78-59-86 84-64
The value of c from the given equation is equal to 58.
What are significant figures?Significant figures can be used to create numbers and these numbers can be written in the form of digits. We can determine the number of significant figures by counting the values from the first non-zero figure placed on the left.
In the case of multiplication or division, the number of significant figures must be the same as the value with the minimum significant figures. The significant digits of a given number can be defined as those significant figures, which deliver the meaning relative to its accuracy.
The answer is rounded off in such a manner so it will have the digits after the decimal as the least precise number have the same number of digits after the decimal.
Given the equation can be written as:
a - b - c = 401.0
The value of a = 1387.11
The value of b = 928.321
By substituting the values of 'a' and 'b' in the given equation we can evaluate the value of 'c':
1387.11 - 928.321 - c = 401.0
c = 458.79 - 401.0
c = 57.79
c = 58
Therefore, the value of c is equal to 58.
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When a racemic mixture is reacted with a single enantiomer of another compound, then a pair of _________ is formed.
When a racemic mixture reacts with a single enantiomer of another compound, then a pair of diastereomers are formed.
What is a racemic mixture?A racemic mixture is an equimolar composition of enantiomers are optically inert. On the right side and the left side of the enantiomer in a chiral molecule, they contain an equal amount.
Now, in an organic reaction:
When a racemic mixture reacts with a single enantiomer of another compound, two compounds are formed and their formation possesses the different configurations on each side. Hence, a pair of diastereomers are formed.
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describe one way the respiratory and nervous system work together
The respiratory system supplies oxygen to the blood and removes carbon dioxide. The brain monitors respiratory volume and blood gas levels. The brain regulates respiratory rate.
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_♡_mashi_♡_
One way the respiratory and nervous systems work together is through the control of breathing rate and depth based on the body's oxygen and carbon dioxide levels.
Chemoreceptor Response to Gas Levels:
Specialized sensors called chemoreceptors are located in the blood vessels, particularly in the aorta and carotid arteries, which detect changes in the levels of oxygen and carbon dioxide in the bloodstream. These chemoreceptors are part of the nervous system and play a crucial role in regulating breathing.
When the oxygen level in the blood decreases or the carbon dioxide level increases (indicating a need for more oxygen or removal of excess carbon dioxide), the chemoreceptors send signals to the brainstem, specifically to the medulla oblongata and pons. These regions of the brain are responsible for controlling involuntary processes like breathing.
The nervous system, upon receiving these signals, responds by adjusting the rate and depth of breathing to ensure that the body's oxygen and carbon dioxide levels remain within a healthy range.
For example, if the oxygen level drops due to increased physical activity, the nervous system stimulates an increase in breathing rate to bring in more oxygen. Similarly, if carbon dioxide levels rise (as during intense exercise), the nervous system triggers deeper and faster breathing to expel excess carbon dioxide.
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Name each of the following compounds
a. MnS2
b. HClO4 (aq)
c. NH4C2H3O2
d. Li3N
e. Na2O2
Answer:
a. Manganese (IV) sulfide
b. Perchloric acid
c. Ammonium acetate
d. Lithium nitride
e. Sodium peroxide
Explanation:
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How much 3m stock solution would it take to make 70 ml of 1.2 m solution?
Answer:
Yes it is right........
Part H
The concept of entropy might best be illustrated by:
A. The birth of a baby.
B. A construction crew building a skyscraper.
C. An old building on the verge of collapsing.
D. The organization of a rock band.
Review
1. Energy is measured in metric units called ______________
2. An example of electromagnetic energy would be:
a. A windmill.
b. A nuclear isotope like uranium.
c. An X-ray.
d. Coal.
3. The formula (mv2/2) provides a way to calculate the ______________ energy of an object.
4. To calculate the gravitational potential energy of a statue on a 10-meters-tall platform, you would have to know the statue's ______________
5. When a match is struck, the chemical energy stored in the match's head is converted to _____________ and _____________ energy.
6. Heat can be transferred through ______________. ______________, or _________?
7. The Law of Conservation of Energy states that ____________________________ _
8. "You can't get more energy out of something than you put into it" is a statement of?
9. T or F? Living things show that the concept of entropy is not true.
10. Explain why mines dug deep within the earth are often quite hot.
11. What kind of energy does not do work?
12. Sir Marvin decided to improve the destructive power of his cannon by increasing the size of his cannonballs. Sir Seymour kept his cannonballs the same size, but improved his powder to provide more velocity.
a) Which knight will have the more destructive cannon? Why?
b) Jupiter is a more massive planet than either Saturn or Earth. Saturn is more massive than Earth. On which planet would an astronaut weigh the most?
13. T or F? Radiant energy is generated by a petunia on Tuesday.
14. In terms of the laws of thermodynamics, explain why a refrigerator vents hot air.
Answer:
See explanation.
Explanation:
-_-
Part H: C
Review:
1. joules
2. c
3. kinetic energy
4. mass
5. heat and light
6. conduction, convection, or radiation
7. the amount of energy in the universe is constant / energy can neither be created nor destroyed
8. Law of Conservation of Energy / Impossibility of Perpetual Motion
9. F
10. The earth's core.
11. Potential energy.
12. Nice to know.
a) Sir Seymour. The kinetic energy equation has velocity squared. Increasing velocity is much more destructive..
b) Jupiter. Weight is gravity acting on mass. Gravity increases with mass. So Jupiter.
13. True.
14. Second Law of Thermodynamics describes heat flow from hot to cold objects. So, for the refrigerator to work, it needs to steadily expell hot air or objects inside won't cool as they releases heat to the surrounding air inside the refrigerator.
Scientists observe that iron compounds are able to bind to nutrients in waterways experiencing eutrophication. Which change will most likely occur if iron compounds are added to a lake with an overabundance of nutrients? (1 point)
1. Fewer microorganisms will grow on the surface of the lake
2. More areas of hypoxia will occur in the lake.
3. More contaminated water will reach the lake.
4. Less sunlight will reach aquatic plants in the lake.
Which phrase best describes fracking?(1 point)
1. removing the top layer of an ore-bearing mountain to access oil and gas resources
2. using water and chemicals at high pressure to open up fissures to access oil and gas resources
3. using water and chemicals at high pressure to open up fissures to access mineral resources
4. removing the top layer of an ore-bearing mountain to access mineral resources
SOMEONE PLEASE HELP QUICK!!!
(1) Fewer microorganisms will grow on the surface of the lake if iron compounds are added to a lake with an overabundance of nutrients. Hence, option 1 is correct.
(2) Fracking means using water and chemicals at high pressure to open up fissures to access oil and gas resources. Hence, option 2 is correct.
What are microorganisms?An organism that can be seen only through a microscope.
Iron is a natural capping agent which can enhance sediment P binding capacity, thus reducing P availability and shifting a lake from an algal to a macrophyte dominated state. Iron could, however, also impose toxic effects on the biota.
Fracking is the injection of a fluid at high pressure into an underground rock formation to open fissures and allow trapped gas or crude oil to flow through a pipe to a wellhead at the surface.
This technique is used in natural gas and petroleum production.
1) Fewer microorganisms will grow on the surface of the lake if iron compounds are added to a lake with an overabundance of nutrients. Hence, option 1 is correct.
(2) Fracking means using water and chemicals at high pressure to open up fissures to access oil and gas resources. Hence, option 2 is correct
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covers 70 precent of earths surface
Answer:
Water covers 70 percent of earth's surface.Hi! I am struggling with this problem and if anybody can correctly answer this problem I would gladly appreciate it, thanks!
....................
Answer:
43.2 x 10⁻¹¹
Explanation:
The rate law equation for the reaction is:
Rate = k[CH₃CHO]²
In the table, you are given some of the concentrations and rates. What you are not given is the value of "k". Since you are only given the concentration in Trial 3, you need to know the value of "k" in order to find the rate. To find this value, plug the information from one of the trials into the equation and simplify to find "k".
Rate = k[CH₃CHO]²
2.70 x 10⁻¹¹ = k[2.00 x 10⁻³]²
2.70 x 10⁻¹¹ = k[4.00 x 10⁻³]
6.75 x 10⁻⁶ = k
Now that you know the value of "k", you can use it and the concentration from Trial 3 to find the rate.
Rate = k[CH₃CHO]²
Rate = (6.75 x 10⁻⁶)[8.00 x 10⁻³]²
Rate = (6.75 x 10⁻⁶)[6.4 x 10⁻⁵]
Rate = 4.32 x 10⁻¹⁰ -------> 43.2 x 10⁻¹¹
Which method for treating arthritis is an example of pseudoscience?
Answer:
magnets
Explanation:
Pseudoscience is "a collection of beliefs or practices mistakenly regarded as being based on scientific method".. keyword: based; it is not science. It is merely a belief. Magnets are not scientifically confirmed as useful in arthritis treatment. There is only a belief that magnets can cure arthritis. So, the answer is magnets
Hope this helps.
- profparis
Could someone help me with this please
Answer:Your can use the internet There is a web site that is called periodic table.com it is very use full
Explanation:Have fun
Which refers to the amount of a solute that will dissolve in a given volume of solvent at a given temperature and pressure?
solubility
supersaturated
dissolution rate
concentrated
Answer:
A. Solubility
Explanation:
got it right on edge 2022
How many liters is 3.3 moles of a gas? Please show work.
At STP 1 mole of gas occupies a volume of 22.4 liters. So 3.3moles of gas at STP7 will theoretically occupy 22.4*3.3-74 liters
if energy can neither be created nor destroyed, into what kinds of energy have these resources been transformed?
Answer:
Heat, Sound
Explanation:
I am pretty sure you are addressing mechanical energy and machine efficiency. So you are probably aware a machine can't achieve 100% efficiency because of the first and second laws of thermodynamics. This energy is lost to friction and air resistance. They convert some gravitational potential energy to heat and sound energy rather than all to kinetic energy, and vice versa.
What is the importance of a special habitat?
How many moles of NH3 are produced in the reaction of 3.3 moles of N2?
N2 + 3H2 = 2NH3
Answer:
6.6 moles of NH3
Explanation:
3.3 mol N2 * (2 mol NH3/ 1 mol N2) = 6.6 mol NH3
Using a spatula and a balance, measure 2.50 g copper(II) chloride (CuCl₂). You may need to add
and subtract to get exactly 2.50 g.
someone help i don’t get this
The mass of the solid is measured using a balance on and a filter paper.
How do you measure a solid?Measurement is very important in the chemistry laboratory. It is often important to measure the mass of a solid which could be used to prepare a solution.
In such cases, a filter paper is placed on the balance and the mass of the paper is measured. The solid is now placed on the paper until the value reads the sum of the masses of the paper and the solid to be measured.
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