Forced migration effect is one likely result of a forest fire condition.
What is migration?Migration is a process in which group of species like birds, animals or any living organism will go from one place to other place.
When in the forest if fire is placed then in this condition, living organism of forests such as birds, insects, animals and mammals will go to other place without their willingness. This type of migration is known as forced migration.
Hence, option (d) is correct i.e. forced migration.
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Answer:
forced migration
Explanation:
Organisms will be forced to move from their natural habitat if a forest fire takes place. This is because they will have to move from their devastating habitat to an area that is less threatening and safer for survival.
Therefore, the answer is forced migration.
An engine has an energy input of 125 J, and 35 J of that energy is transformed into useful energy. What is the
efficiency of the engine?
O 28%
35%
O 72%
O 90%
Intro
Done
7. Which is not a sedimentary rock?
A basalt
B
calcite
С
gypsum
D
halite
Answer: C
Explanation: calcite is one of them and the other is one too
Can someone help?? this is on weather.
Answer:
a or b
it is either a or be because it will get warmer but might be a little cloudy
Somebody help me please i'm tired of trying to solve this problem ༎ຶ‿༎ຶ
Answer:
Q Line A
A: (a) 0 (b) 20
B: (b) 10 (c) 10
C: (c) 10 (d) 10
D: (d) 10 (e) 13
E: (e) 13 (f) 0
F: (f) 0 (g) 0
a: The velocity is whatever you need to see when you are specifically using a numberline so the answer for a is just 10
b: The velocity for this one is not as easy as the last one, its 7.
Explanation:
When you have a number line and your trying to find a numberline, you just have to subtract the smaller line to the largest number but if you are trying to find the velocity in beetween more than one thane you add the two biggest ones and subtract the smallest one and if you make a wrong move like add the biggest and smalles youll... still get the same answer so it doesnt matter really but its just easier to do the smallest one as the subtracting number just FYI. Happy spring break!
In a group assignment, students are required to fill 10 beakers with 0.720 m cacl2. if the molar mass of cacl2 is 110.98 g/mol and each beaker must have 250. ml of solution, what mass of cacl2 would be used? use molarity equals startfraction moles of solute over liters of solution endfraction.. 3.13 g 38.5 g 200 g 617 g
200 grams is the required mass of calcium chloride.
What is molarity?
Molarity (M) is define as the no. of moles (n) of solute present in per liter of solution (V) i.e. M = n/V.
Given molarity of CaCl₂ = 0.720 M
Total volume of solution = 10×250 = 2500 mL = 2.5 L
Moles of CaCl₂ = 0.720×2.5 = 1.8 moles
Now we calculate the moles by using the below formula:
n = W/M, where
W = required mass = to find?
M = molar mass of CaCl₂ = 110.98 g/mol
Mass of CaCl₂ = 1.8 × 110.98 = 199.8 = 200g
Hence, option (3) is correct i.e. 200g. is the required mass of CaCl₂.
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Answer:
c
Explanation:
Explain how distribution of traits occurs over a 50 generation time period.
Answer:
Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. Often, it is impossible to determine which two alleles of a gene are present within an organism's chromosomes based solely on the outward appearance of that organism. However, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.
Energy removal is illustrated in. A. Changing water ice to waterB. Changing water to steamC. Boiling of gasolineD. Evaporation of sea water
Answer:
D. Evaporation of sea water
Explanation:
why does nonmetallic elements pull elements from metallic elements so effectively during a reaction?
Answer:
Non metal are located on the right side of the periodic table. The non metals are more electronegative than metals, thus the non metals are trying to achieve to get Noble gas configuration by pulling the electrons from the metal..Explanation:
:))Which is a general representation of a secondary amine? An N is bonded to two electron dots above; with a dotted triangular line to an H, a solid triangular line to an H, and single line to an H; it is noted that the angle between the last 2 H atoms is 107 degrees. An N with 2 electron dots is linked to an R 1 group with a single line, an H with a triangular line, and and H with a dotted line. An N with 2 electron dots is linked to an R 1 group with a single line, an R 2 group with a triangular line, and and H with a dotted line. An N with 2 electron dots is linked to an R 1 group with a single line, an R 2 group with a triangular line, and an R 3 with a dotted line.
Answer:
B is wrong the answer is C on edge
Explanation:
Which number in the hydrologic cycle diagram represents precipitation?
1
2
3
4
Illustration of water cycle showing land and water body with arrows pointing outward and inward to both land and water body and some numeric labels one, two, three, and four mentioned along with arrows
I will give brainilest to however can answer!
Answer:
Its 3
Explanation:
I took the test
Answer: 3
Explanation: im in k12 got the same question
How many grams of H20 are created from 1.3 liters of H2?
I am very very sorry for sharing 4t so please can u send me the same question again
Chromate ions react according to the following equation, where the left side of the reaction is yellow and the right side is orange.
CrO42– + 2H+ ⇄ Cr2O72– + H2O
A student adds sodium hydroxide (NaOH) to the solution at equilibrium. In one to two sentences, describe and explain any changes to the solution that the student will observe.
please helpp
NaOH is a base and addition of NaOH will cause the left reaction to proceed and the solution turns yellow.
What is chemical equilibrium?Chemical equilibrium refers to a dynamic stare in which the forward and reverse reactions are occurring at the same time at the same rate.
Any change in the reaction conditions will cause equilibrium to shift either to the left or right.
In the given equation, addition of acid will result in the forward reaction proceeding and the solution turns orange.
The left reaction is favoured on addition of base.
Since NaOH is a base, addition of NaOH will cause the left reaction to proceed.
The solution turns yellow
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The change to the solution is that the addition of NaOH will cause the left reaction to proceed and the solution turns yellow.
What is a solution?A solution means a special type of homogeneous mixture that is composed of two or more substances.
It should be noted that a change in the reaction conditions will cause the equilibrium to shift either to the left or right.
In this case, the addition of NaOH will cause the left reaction to proceed and the solution turns yellow.
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If you mix equal volumes and concentrations of aqueous solutions of Cu(NO3)2 and K2S, which ions will remain in solution as spectators in the reaction
The spectator ions that remain in solution are potassium ion and nitrate ion.
What are spectator ions?The spectator ions are the ions that remain in solution after reaction. They are those ions that are unchanged at the end of the reaction. For the reaction of Cu(NO3)2 and K2S, teh products are CuS and KNO3.
As such the spectator ions that remain in solution are potassium ion and nitrate ion.
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sodium hydroxide is added to water. What is the balanced equation for this ionization?
This can be represented by the chemical equation: NaOH H2O→ OH- + Na.
I need help ASAP, please.. Name two sodium salts that may be prepared by reacting sodium hydroxide with dilute sulphuric acid.
The two sodium salts that may be prepared by reacting sodium hydroxide and sulfuric acid are sodium sulfate and sodium bisulfate produced by neutralization .
What is a salt?
Salt is defined as a chemical compound which is ionic in nature and consists of cation and an anion.It has no net electrical charge as the charges are completely neutralized in case of salts.
They are classified as acidic, basic or neutral salts depending on the ions they produce on dissolution.They have wide variety of colors depending on the elements from which they are formed and have five basic tastes.Salts are usually odorless except a few exceptions . They are highly soluble in water and are insulators in the solid state, to make them conductive they need to be melted or dissolved.
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Several phytochemicals, such as lycopene and resveratrol, may help the body ward off cancer. What is the best way to incorporate phytochemicals into your dietary pattern?.
Answer:
Consume a variety of brightly colored fruits and vegetables.
Explanation:
PLS HELP STOICHIOMETRY/CHEM!!!
Determine the empirical formula of a compound containing 48.38 grams of carbon, 6.74 grams of hydrogen, and 53.5 grams of oxygen.
In an experiment, the molar mass of the compound was determined to be 180.15 g/mol. What is the molecular formula of the compound?
For both questions, show your work or explain how you determined the formulas by giving specific values used in calculations. (10 points)
The molecular formula of the compound that we are required to find is the compound C4H8O8
What is empirical formula?The empirical formula of a compound is a formula that shows the ratio of each atom present in the compound. We will start by dividing each mass with the relative atomic mass of the atom.
Carbon - 48.38 g/12 Hydrogen - 6.74 g/1 Oxygen - 53.5 g/16
Carbon - 4 Hydrogen - 6.74 Oxygen - 8.9
Dividing through by the lowest ratio;
Carbon - 4/4 Hydrogen - 6.74/4 Oxygen 8.9/4
Carbon 1 Hydrogen 2 Oxygen 2
The empirical formula is CH2O2.
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[12 + 2 + 32]n = 180
n = 180/[12 + 2 + 32]
n =4
The compound C4H8O8
Learn more about empirical formula:
The empirical formula is [tex]COH_{2}[/tex], and the molecular formula is [tex]C_{6}O_{6}H_{12}[/tex].
If a teaspoon of sugar dissolved
completely in a glass of water, what type
of mixture is this?
A. heterogeneous
B. homogeneous
C. element
Answer:
b
Explanation:
it's a homogeneous ,because the sugar has completely dissolved into the water and stays completely clear throughout the glass of water.
What is the formula for a compound containing one atom of sodium, one atom of oxygen, and one atom of hydrogen?
Answer:
NaOH
Explanation:
Looking at a periodic table, sodium is Na, oxygen is O and hydrogen is H
If we have a compound containing 1 atom of sodium (Na), 1 atom of oxygen(O) and 1 atom of hydrogen(H) the formula would be NaOH
What do many bases have in common?
Answer:
All bases conduct electricity as they are good electrolytes. All bases turn red litmus paper into blue at the time of indication. Bases have a bitter taste with a soapy texture
Explanation:
hope this helps
Answer:
Explanation:
All bases conduct electricity as they are good electrolytes. All bases turn red litmus paper into blue at the time of indication. Bases have a bitter taste with a soapy texture.
A Gas tanker is carrying 325,875 L of octane, C8H18, at 1.27?atm. What is the volume of the propane at standard pressure. I need this worked out and I need to know what gas law is needed to solve this problem.
The volume of the propane gas at standard pressure is 413861.25L.
The gas law needed to solve the volume of propane gas at standard pressure is Boyle's law.
Boyle's lawBoyle's law states that the volume of a given mass of gas is inversely proportional to its pressure, provided that the temperature remains contant.
Boyle's law can be expressed mathematically as
P₁V₁ = P₂V₂............... Equation 1Where:
P₁ = Initial pressure of octane gasV₁ = Initial volume of octane gasP₂ = Final pressure of octane gasV₂ = Final volume of octane gas.Since we were asked to find the final volume in the question above, we make V₂ The subject of the equation.
V₂ = P₁V₁/P₂................... Equation 2From the question,
Given:
P₁ = 1.27 atmV₁ = 325875 LP₂ = 1 atm (Standard pressure)Substitute the given values into equation 2
V₂ = (1.27×325875)/1V₂ = 413861.25 L.Hence, the volume of the propane gas at standard pressure is 413861.25L.
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Calculate the molarity of a solution made by dissolving 12.5 g Na2CO3 in exactly enough
water to form 550.0 mL of solution.
Answer:
0.215 M
Explanation:
M = m/L
To find to moles of Na2CO3 we have an equation:
m = mass(g)/molar mass(g/mol)
Molar mass of Na2CO3 is 106
=>> 12.5g/106 = 0.118 moles
To convert ml to L, divided ml by 1000
550/1000= 0.55L
Apply this equation to find the molarity: M = m/L
0.118 ÷ 0.55 = 0.215M
What molecule is removed during dehydration synthesis?.
Answer: two hydrogen atoms and one oxygen atom are removed during dehydration synthesis.
Hope this helps!
Active solar energy is helpful in countries with homes distributed unevenly or in remote
locations.
True
False
Answer:
True
Explanation:
I took the test and got it right.
Answer:
true
Explanation:
got it right on the test!
What is the pOH of a solution of HNO3 that has [OH– ] = 9. 50 × 10–9 M?.
8.022 is the value of pOH of the HNO₃ solution.
How pOH can be calculated?pOH of the HNO₃ solution can be calculated as:
pOH = -log [OH⁻], where
[OH⁻] = concentration of hydroxyl ion = 9. 50 × 10⁻⁹ M
Putting this value in the above equation, we get
pOH = -log ( 9. 50 × 10⁻⁹)
pOH = - (- 8.022) = 8.022
Hence, pOH of the HNO₃ solution is 8.022.
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2 Na + 1 Cl2 → 2 Naci
How many grams of NaCl are created from 23,2 grams Cl2?
37 grams of NaCl (when I mean equivalent I mean the ratio of the equation is 1:2 for moles or Cl2 and NaCl
Which example is an endothermic reaction?
O combustion of methane
condensation of steam
the reaction in a cold pack
freezing water
Answer: the answer is the reaction in a cold pack
Explanation: since endothermic means the absorption of heat
A gas at constant volume has a pressure of 4. 50 atm at 200. K. What will be the pressure of the gas at 250. K? 3. 60 atm 4. 60 atm 5. 63 atm 5. 89 atm.
5.625 atm will be the pressure of the gas at 250 K temperature of the gas at constant volume.
How we calculate the pressure of the gas?Pressure of the gas will be calculated by using the ideal gas equation as:
PV = nRT,
From the question, it is clear that:
Moles of the gas and volume is constant here, so we calculate the pressure by rearranging the above equation as:
P/T = nR/V
And required equation will be:
P₁/T₁ = P₂/T₂, where
P₁ = pressure of gas = 4.50 atm
T₁ = temperature of gas = 200 K
P₂ = pressure of gas = to find?
T₂ = temperature of gas = 250 K
On putting all these values in the above equation, we get
P₂ = 4.50 × 250 / 200 = 5.625 atm
Hence, 5.625 atm is the pressure of the gas.
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All geologists agree there should be a new epoch called the Anthropocene indicating the time humans dominated earth.
True
False
Answer: false I just took the test
Select the correct answer.
Why does every chemical reaction require a certain amount of activation energy?
А.
Energy is released when the reactants begin to react.
В.
Energy lost to the environment during the reaction must be replaced.
C. Forming the activated complex requires energy.
D. The products have more potential energy than the activated complex.
E. The reactants have less potential energy than the products.
Answer:
answer is option A
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