Answers
Answer: i cant do a whole project
Answer:
Explanation:
if you put a lot of cows on one pasture they will end up eating all the grass and then when they run out of grass and they will start to eat all of the greenery and that's how your grass land will end up as a desert. the ways to prevent it would be to put a certain amount of cows on a a piece property like if you had a 100 acres you can only have 5 acers a cow you could have about 20 or 30 head of cows or you could have your land separated into different pastures and move your cows from each pasture when you grass starts getting low .another thing you could do is putting hay out so the could eat on hay and not eat as much grass. and if all the land is used up then it w would have directly disturbed everyone because people need the grass to to feed there livestock and if the land is destroyed then they cant feed there animals then the cows will die from starvation then they cant harvest them and then there wouldn't be meat in the grocery store.
i hope this helps
Related Questions
what lactol (cyclic hemiacetal) is formed from intramolecular cyclization of the following hydroxy aldehyde?
Answers
The hydroxy aldehyde will undergo intramolecular cyclization to produce a lactol (cyclic hemiacetal), which has the formula C3H6O2.
In this reaction, an aldehyde molecule combines with a hydroxyl group from a different molecule of itself, which is an example of an aldol condensation reaction. The aldehyde molecule can then create a cyclic hemiacetal by combining a carbonyl group and a hydroxyl group to create a hemiacetal. A lactol is the name for this cyclic hemiacetal.
An,-unsaturated carbonyl compound (usually an aldehyde or a ketone) is created by the chemical reaction known as the Aldol condensation reaction from two aldehyde or ketone molecules. In order to produce the unsaturated product, the reaction calls for the nucleophilic addition of the enolate of one molecule to the carbonyl group of the other molecule.
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HELP ASAP!! 5 MINS MAX- The diagram below shows the branching tree diagram for humans. The text box below it shows the set of derived shared characteristics for the branching tree.
A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right, Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. Where in the branching tree would you most likely write jaws? Explain your answer.
Answers
Jaws would most likely be written between dot 1 and dot 2 on the branching tree diagram. This is because the derived shared characteristic of jaws would have evolved after the common ancestor and before the perch, frog, pigeon, and other species evolved. Since jaws are not present in the common ancestor, but are present in species such as perch and frog, it is most likely that jaws evolved after the common ancestor and before the perch and frog split from the branching tree.
If a molecule has a triple bond, what can be assumed about the bond compared to a molecule with a double bond?
The length is more than a double bond
The strength is more than a double bond
The strength is less than a double bond
The length is the same as a double bond
Answers
While the length is less than a double bond, the strength exceeds that of a double bond.
Within the same molecule, how do triple bonds differ from double bonds?Due to the presence of two bonds rather than one, triple bonds are stronger than double bonds. An sp-sp sigma bond is created when one of each carbon atom's two sp hybrid orbitals intersects with the corresponding orbital from the other carbon atom.
Compared to double bonds, are triple bonds more durable and longer?Six electrons are shared by a sigma bond, two bonds, and a triple bond. Double bonds are more powerful than single bonds, and triple bonds are more powerful than double bonds, according to experiments.
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Answer: third
Explanation:
The odor of gasoline is very strong and distinctive. Can gasoline in the gaseous state be referred to as a vapor? Explain.
Answers
Yes, it is a vapor. Usually we refer as vapor to any gas that can be condensate easily at the considered conditions
What can be determined by observing the two objects in the graduated cylinder?
Answers
Mass can can be determined by observing the two objects in the graduated cylinder as mass can neither be created nor destroyed according to law of conservation of mass.
What is law of conservation of mass?
According to law of conservation of mass, it is evident that mass is neither created nor destroyed rather it is restored at the end of a chemical reaction .
Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.
Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Antoine Lavoisier in the year 1789.
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Post-Lab Questions
1. A beverage company is having trouble with the production of the dye in their drinks. The color of their drink mix is supposed to be a pale green color, but they often get different results. For each unwanted result, choose the most plausible explanation to help the company improve the formula.
(1pts)
The color of the drink is too pale after adding the dye to the drink because
Choose...too much dye was added to the drink.the water in the drink is evaporating.not enough dye was added to the drink.the wrong dye was added to the drink.
(1pts)
The color of the dye is appearing as red, instead of green because
Choose...too much dye was added to the drink.the water in the drink is evaporating.not enough dye was added to the drink.the wrong dye was added to the drink.
(1pts)
The drink started out the correct color but it is getting darker over time, even though nothing has been added to the drink, because
Choose...too much dye was added to the drink.the water in the drink is evaporating.not enough dye was added to the drink.the wrong dye was added to the drink.
(1pts)
2. Beer's Law states that A=εbc, where A is the absorbance, ε is the molar absorptivity of the solute, b is the path length, and c is the concentration. Identify the experimental evidence from the activity that you have for the dependence of absorbance on each variable.
The evidence for the dependence of absorbance on the variable ε is
increasing the cuvette width increases the absorbance.
changing the compound changes the absorbance behavior.
adding more water decreases the absorbance.
Choose...ABC
(1pts)
The evidence for the dependence of absorbance on the variable b is
increasing the cuvette width increases the absorbance.
changing the compound changes the absorbance behavior.
adding more water decreases the absorbance.
Choose...ABC
(1pts)
The evidence for the dependence of absorbance on the variable c is
increasing the cuvette width increases the absorbance.
changing the compound changes the absorbance behavior.
adding more water decreases the absorbance.
Choose...ABC
(1pts)
3. Describe how you could use the Beer's Law simulation to experimentally determine the best wavelength at which to perform an experiment.
Measure the absorbance for solutions of multiple different solutes and find the minimum absorbance.
Measure the absorbance for solutions with different concentrations and find the slope of the trendline.
Measure the absorbance for the same solution at different wavelengths and find the maximum absorbance.
Measure the absorbance for the same solution in different cuvette sizes and find the y-intercept.
Answers
Answer:
1. not enough dye was added to the drink.
The wrong dye was added to the drink
the water in the drink is evaporating
2. Changing the compound changes the absorbance behavior.
3. Measure the absorbance for the same solution in different cuvette sizes and find the y-intercept.
Explanation:
When the beverage company adds dye to the drink, there should be standard quantity added to the drink so that the color of the drink remains constant. When too much dye is added to the drink, the color will get dark brown or black. When the color of drink get lighter than green this means dye is not added in required quantity.
Why do thermistors increase in conductivity when heated? What happens in normal metals? Explain on the atomic level.
Answers
Metal conductivity generally goes down or resistivity goes up with temperature goes up.
sasha from aot died :(
Answers
Answer:
yeesss. I am sooooo ssaaaddddd
Answer:
Yes and her last word was meat
Explanation:
Sasha supremacy
Balance the following equation. Fill in the blanks
( ? )NaCl + ( ? ) AgNO3 → ( ? )AgCl + ( ? ) NaNO3
Answers
NaCl+AgNO_3-->AgCl+NaNO_3
on both sides
Na=1Ag=1Cl=1NO_3=1Hence it's balanced already
1)
If I have 9 moles of a gas at a pressure of 1 atm and a volume of 12 liters, what is
the temperature?
Answers
ideal gas
PV=nRT
T = PV/nR
T = 1 x 12/9 x 0.08205
T = 16.25 K
I WILL GIVE 35 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS PLEASE
Answers
From the stoichiometry of the reaction, we would make 0.067 moles of the Calcium nitrate.
What is stoichiometry?Stoichiometry entails applying the balanced chemical equation to calculate the quantity of reactants required to generate a certain quantity of product or the quantity of product generated from a specified quantity of reactant.
Number of moles of AgNO3 = 38/1000 * 1.751
= 0.067 moles
Number of moles of CaCl2 = 61.6/1000 * 1.984
= 0.122 moles
If the reaction is 1:1 then the limiting reactant is AgNO3
The moles of Ca(NO3)2 that we make is 0.067 moles
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For electron as a particle, Energy, E=
Answers
For an electron as a particle, E = \(1/2mv^2\)
Electron as a particleFor an electron as a particle, the energy E can be described using the equation:
E = \(1/2mv^2\)
where
This equation represents the kinetic energy of the electron, which is the E is the energy
m is the mass of the electronv is the velocity of the electron.energy associated with its motion.
This equation assumes classical mechanics and does not take into account relativistic effects that become significant at high speeds close to the speed of light.
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What amount of heat (in kJ) is required to convert 13.7 g of an unknown liquid (MM = 83.21 g/mol) at 19.2 °C to a gas at 93.5 °C? (specific heat capacity of liquid = 1.58 J/g･ °C; specific heat capacity of gas = 0.932 J/g･ °C; ∆Hvap = 22.5 kJ/mol; normal boiling point, Tb = 57.3 °C)
Answers
HELP PLZ SND THANKS WILL MARK YOU AS BRAINLIEST
Answers
Answer:
See explanation
Explanation:
For the first question, we can see that the pressure is constant so we apply Charles law;
V1/T1 =V2/T2
V1T2 = V2T1
V1= 4.5 L
T1= 27 + 273 = 300 K
V2= ?
T2= 127 + 273 = 400 K
V2= V1T2/T1
V2= 4.5 × 400/300
V2= 6L
For question 2, Charles law is also used;
V1/T1 =V2/T2
V1T2 = V2T1
T1= 338 K
V1= 0.480 L
T2= ?
V2= 9.2 L
T2= V2T1/V1
T2= 9.2 × 338/0.480
T2= 6478.3 K
If 20.0 kilocalories of energy were added to 80.0 g of water, what change in temperature would be observed?
Please explain how.
Answers
Answer:
250 °C.
Explanation:
From the question given above, the following data were:
Heat (Q) required = 20.0 kilocal
Mass (M) of water = 80 g
Change in temperature (ΔT) =.?
Next, we shall convert 20.0 Kilocalories to calories. This can be obtained as shown below:
1 kilocal = 1000 Cal
Therefore,
20 kilocal = 20 kilocal × 1000 Cal / 1 kilocal
20 kilocal = 20000 calories
Therefore, 20 kilocalorie is equivalent to 20000 calories.
Finally, we shall determine the change in temperature observed as follow:
Heat (Q) required = 20000 Cal
Mass (M) of water = 80 g
Specific heat capacity (C) of water = 1 Cal /gºC
Change in temperature (ΔT) =.?
Q = MCΔT
20000 = 80 × 1 × ΔT
20000 = 80 × ΔT
Divide both side by 80
ΔT = 20000 / 80
ΔT = 250 °C
Therefore, the change in temperature observed is 250 °C
Which statements are TRUE about fossil fuels? (Select all that apply.)
They are in a limited supply.
They do not replenish themselves.
They are expensive to extract compared to other forms of energy.
They release large amounts of carbon dioxide when burned
✎help its an exam✎ ☕︎if any links I WILL REPORT☕︎
Answers
Answer:
All is Correct
Explanation:
Fossil fuels have the following properties:
They are in a limited supply. Fossil fuels are non-renewable resources, meaning that they cannot be replenished at the same rate as they are consumed. Once they are used up, they are gone forever.They do not replenish themselves. Fossil fuels take millions of years to form under specific geological conditions. They cannot be regenerated by natural processes in a human timescale.They are expensive to extract compared to other forms of energy. Fossil fuels require complex and costly methods to locate, drill, mine, transport, and refine. They also have negative externalities, such as environmental damage, health risks, and social conflicts, that are not reflected in their market prices.They release large amounts of carbon dioxide when burned. Fossil fuels contain carbon that was stored underground for millions of years. When they are burned, they release carbon dioxide (CO2) into the atmosphere, which is a greenhouse gas that contributes to global warming and climate change.Therefore, the answer is to select all
Answer:
It's A, B, and D
Explanation:
Maybe not D, because that is burning wood like charcoal. Not sure about that. Hope this helps!
When all the soil pores are essentially water-filled, flow is termed _______________ .
Unsaturated
Saturated
Gravitional
Rapid
Answers
Can someone please explain?
Answers
The pressure of N₂ gas produced when 42.57 g of NH₃ is reacted with excess NO in a sealed container is 4.95 atm
How do i determine the pressure of N₂ gas produced?First, we shall determine the mole of 42.57 g of NH₃ that reacted. Details below:
Mass of NH₃ = 42.57 g Molar mass of NH₃ = 17 g/mol Mole of NH₃ =?Mole = mass / molar mass
Mole of NH₃ = 42.57 / 1 7
Mole of NH₃ = 2.50 moles
Next, we shall determine the mole of N₂ gas produced. Details below:
4NH₃ + 6NO -> 5N₂ + 6H₂O
From the balanced equation above,
4 moles of NH₃ reacted to produced 5 moles of N₂
Therefore,
2.50 moles of NH₃ will react to produce = (2.5 × 5) / 4 = 3.125 moles of N₂
Finally, we shall determine the pressure of N₂ gas produced. This is shown below:
Volume of container (V) = 28 LTemperature (T) = 540 KNumber of mole of N₂ gas (n) = 3.125 molesGas constant (R) = 0.0821 atm.L/mol KPressure of N₂ gas (P) =?PV = nRT
P × 28 = 3.125 × 0.0821 × 540
Divide both sides by 28
P = (3.125 × 0.0821 × 540) / 28
P = 4.95 atm
Thus, we can conclude that the pressure of N₂ gas produced is 4.95 atm
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iv) By what factor will the
rate change if the
Concerntration
and that of B is reduced by
of A is trippled
4 times.
Answers
The rate is reduced by a factor of 3/4, or 0.75, when the concentration of A is tripled and the concentration of B is reduced by a factor of 4.
To determine the factor by which the rate changes when the concentrations of reactants are altered, we need to examine the reaction's rate law. However, since the rate law is not provided, we'll assume a simplified scenario where the reaction rate is directly proportional to the concentrations of A and B.
Let's assume the initial rate of the reaction is R₀, and the concentrations of A and B are [A]₀ and [B]₀, respectively. According to the assumed rate law, the rate can be expressed as:
Rate = k[A][B]
Now, let's consider the changes in concentrations and calculate the new rate.
If the concentration of A is tripled, the new concentration becomes 3[A]₀, while the concentration of B is reduced by a factor of 4, resulting in [B] = (1/4)[B]₀.
The new rate (R) can be calculated as follows:
R = k[3[A]₀][(1/4)[B]₀]
= (3/4)k[A]₀[B]₀
= (3/4)R₀
Therefore, the rate is reduced by a factor of 3/4, or 0.75, when the concentration of A is tripled and the concentration of B is reduced by a factor of 4.
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Why is it expensive to bring electricity into urban areas?
Answers
Answer:
Power plants are not located in cities. Power has to travel a long distance over power lines to reach cities.
Explanation:
How does the addition and subtraction of subatomic particles affect the atom?
Answers
Answer:
Adding or removing neutrons from the nucleus are how isotopes are created. Protons carry a positive electrical charge and they alone determine the charge of the nucleus. Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number.
Explanation:
Answer:
if you add or subtract a proton from the nucleus, you create a new element. If you add or subtract a neutron from the nucleus, you create a new isotope of the same element you started with. In a neutral atom, the number of positively charged protons in the nucleus is equal to the number of orbiting electrons
The following graph shows a decay chain. Which part of the decay chain will take the most time?
Answers
Has 121 nuetrons and 80 electrons plz help i will pick you as brainliest
Answers
Answer:
Mercury Atom
Explanation:
If you are talking about what has 121 neutrons and 80 electrons, then it would be a Mercury Atom. Hope this helps!
The blood pH is regulated by the following equations: CO2(g) + H2O(l) ↔ H2CO3(aq) ↔ H2CO3(aq) + H2O(l) ↔ HCO3- (aq) + H3O+(aq) [Equation A]
Using Le Chatelier’s principle, which direction will the reaction shifts if there is an increase in H3O+ when the blood becomes more acidic with increasing cellular metabolism.
How will the pH of the blood be affected if a person is hyperventilating?
An emergency medical team evaluates an Olympic athlete and determines that she has alkalosis (high blood pH). What does this mean in terms of the ratio of bicarbonate to carbonic acid? Which way would the reactions have to shift to lower her blood pH?
Answers
The blood pH would turn more alkaline
There is more bicarbonate ions in the blood
The equilibrium would have to shift to the left
How will the pH of the blood be affected if a person is hyperventilating?Hyperventilation is a condition in which a person breathes rapidly and deeply, leading to a decrease in the concentration of carbon dioxide (CO2) in the blood. This causes a shift in the balance of the carbonic acid-bicarbonate buffer system in the blood, which can affect the pH of the blood.
The carbonic acid-bicarbonate buffer system is an important mechanism that helps regulate the pH of the blood. It involves the equilibrium between carbonic acid (H2CO3) and bicarbonate ions (HCO3-) in the blood:
H2CO3 ⇌ H+ + HCO3-
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What is the concentration expressed in parts per million of a solution containing 20.0 grams of C6H12O6 in 80.0 grams of H2O?
A) 2.50 × 10^5 ppm
B) 2.00 × 10^5 ppm
C) 4.00 × 10^6 ppm
D) 5.00 × 10^6 ppm
Answers
Answer:
B is the answer. 2.00 x 10^5 ppm
Explanation:
Right on edmentum
give reason why using a seperate dropper for each stock solution in reagent bottle
Answers
The reason why a separate dropper is used for each stock solution in reagent bottle is so as to prevent contamination of the reagents.
What is a Dropper?This is referred to as a short glass or plastic tube fitted with a rubber bulb which are found in reagents and is used to measure liquids by drops in the laboratory.
It is best for a separate dropper to be used for each stock solution in reagent bottle so as to prevent contamination of the reagents. This helps to ensure that the experiments which are performed are very accurate which is therefore the reason why it was chosen as the correct choice.
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Matter includes all of the following except
Answers
Not everything is matter. Here's a list of what we call NON-MATTER.
___________________________________________________________
Non matter...
LightHeatSound___________________________________________________________
Hope it helps!
May i have brainliest?
\(\huge\boxed{Thanks,\;Plip.}\)
A body-centered cubic unit cell has an edge length of 588 pm. What is the radius of the atoms composing the unit cell?
Answers
Answer:
hi follow me it well help
Sodium gives up the single electron in its outer shell in a reaction leaving it with 11 protons and 10 electrons
True or false?
Answers
Write and balance the equation for the combustion of the fatty acid lauric acid, (C12H24O2)
.
Express your answer as a chemical equation. Identify all of the phases in your answer.
Answers
The combustion of lauric acid is shown as CH3(CH2)10COOH(s) + 18O2(g) -----> 12H20(l) + 12CO2(g)
What is combustion?In a combustion reaction, a substance is burnt in oxygen. If the substance is an organic compound a the case is here, the products are carbon dioxide and hydrogen.
No the equation of the combustion of lauric acid is shown as;
CH3(CH2)10COOH(s) + 18O2(g) -----> 12H20(l) + 12CO2(g)
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