Answer:
liter
Explanation:
liter is the unit of liquid
What environment will produce the largest crystal sizes?
Construct a short Essay (Make sure you include information about Temp, Pressure, amount of dissolved solids, & cooling time)
Is there support for your Claim?
Answer:
one factor is the speed at which crystals are formed
explanation:crystals that are formed near or on the surface tend to crystalize faster and therefore are usually smaller crystals deeper in the crust tend to crystalize slower and therefore are larger
if 14.0 g of sodium sulfide are reacting how many molecules of sodium chloride will be produced
Explanation:
If 14.0 g of sodium sulfide are reacting, how many molecules of sodium chloride will be produced?
3 Na₂S + 2 AICI36 NaCl + Al2S3
1.08 x 10^23
2.16 x 10^23
2.16 x 10^-23
5.97 x 10^-25
can you Explain the process of how clouds form?????
Answer: Clouds need two things to form: cool air and particles on which water vapor can condense. Clouds form as air cools. Cold air cannot hold as much water vapor, so the water vapor condenses. Water vapor condenses on small particles in the atmosphere, such as smoke, salt, and dust. As a result, clouds form.
Explanation: correct on edge
Which of the following is a synthesis reaction?
a) 2KCIO3 → 2KCl + 302
O b) 2 C4H20 + 13 02 + 8 CO2 + 10 H20
O c) Fe + CuCl2 → FeCl2 + Cu
O d) 4 A1+3 02 → 2 Al2O3
Answer: 4 A1+3 02 → 2 Al2O3
Explanation: Two different atoms combines together to produce a compound.
Answer:
c) Fe + CuCl2 → FeCl2 + Cu
Explanation: Synthesis Reaction is when you get same thing on the other side even if its not in the same order after you add the components.
In the wild, female and juvenile African elephants typically live in herds that vary in size, depending on the
environment. Juvenile African elephants are subject to predation by animals such as lions and leopards. When a
juvenile is threatened by a predator the members of the herd may form a protective circle around that individual
and the other juveniles.
Explain how herd behavior is beneficial to the survival of individual elephants and also beneficial to the survival of
the species. Enter your answer in the box provided.
Herd behavior in elephants ensures that individuals are protected and the species is perpetuated.
What is her behavior?It is a behavior that is characteristic of animals that form herds.
Herds generally refer to groups of animals that live or move together or both.
By protecting individual elephants that are weak or young from being preyed upon by lions and leopards, more members of the population survive.
When more members of the population survive, the species is perpetuated and the likelihood of going into extinction reduces.
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If the pH of a solution is 8.45, what is the concentration of the OH-?
Answer:
How do you find the concentration of OH in a solution?
The hydroxide ion concentration can be found from the pOH by the reverse mathematical operation employed to find the pOH. [OH-] = 10-pOH or [OH-] = antilog ( - pOH) Page 2 Example: What is the hydroxide ion concentration in a solution that has a pOH of 5.70? On a calculator calculate 10-5.70, or "inverse" log (- 5.70).Explanation:
13) A gas has an initial state of 500 K, 6.5 atm, and occupies 8.0 L. What will the final volume be if the pressure is kept constant and the temperature is decreased to 150 K?
What are compounds?
O heterogeneous mixtures
O pure substances
O homogeneous mixtures
Compounds are pure substances the are composed of two or more elements chemically bonded. Compounds have a definite composition, so they are the same throughout, which makes them homogeneous.
Select the Coral Reef Tab. Make sure that you have clicked Return to original settings and Restart. Set the Ocean Temperature to 33 Degrees Celsius. Click Advance year 10 times. What changes do you notice?
Answer:
What changes do you notice? The white you see have undergone coral bleaching. At high temperatures, corals may lose their zooxanthellae, causing corals to lose their color and their main source of food. Once bleaching occurs, the coral colony usually dies.
Explanation:
study well
Arigato
(d) Explain the trend in the boiling points in the table above.
Answer:
The BP increases in temperature as you move down the halogen group ( group 7)
Answer:
The trend of boiling points in the the table vary according to the size of the elements atom, if an element has a larger size it will need greater intermolecular forces and heat to break the strong bonds. Therefore Bromine has a larger size followed by chlorine and later fluorine, and this has shown in their boiling points
How does soil convert the organic matter back to co2
A student is studying a sample of neon in a container with a moveable piston (this means the container can change in size). If the sample in the container is initially at a pressure of 759.4 torr when the container has a volume of 97.6 mL, what is the pressure of the gas when the piston is moved so that the volume of the container becomes 146.6 mL? Round your answer to the nearest 0.01 and include units!
The new pressure of the gas would be 505.58 torr
Boyle's lawAccording to Boyle's law, the pressure of a gas is inversely proportional to its volume, provided that the temperature is constant.
This can be mathematically represented as: P1V1 = P2V2
In this case, P1 = 759.4 torr, P2 is what we are looking for, V1 = 97.6 mL, and V2 = 146.6 mL
Hence, P2 = P1V1/V2 = 759.4x97.6/146.6 = 505.58 torr
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If you had 1 mol of Cr7(PO4)3 how many moles of Cr would there be?
Which properties of a reaction make it a good choice for use in a heat engine?
What is the specific heat of a substance if a mass of 10.0 kg increases in temperature from 10.0°c to 70.0°c when 2,520 j of heat is applied? use q equals m c subscript p delta t.. 0.00420 j/(gi°c) 0.00661 j/(gi°c) 238 j/(gi°c) 252 j/(gi°c)
Answer:
0.00420
Explanation:
The equation is Q=mc(T(final)-T(initial), where c is the specific heat, Q is heat supplied, m is mass, T(final) is final temperature and T(initial) is initial temperature (you'll see this written as delta T, which means change in temperature).
2520 = Q
m = 10.0kg; answer choices are in g, not kg, so multiply by 1000 to get m in g; m = 10000 g
Plug in the values you have and solve for c.
2520=(10000)(c)(70-10)
2520=600000c
c=0.0042 j/(gc)
Answer:
4.2 j/kg-C = .0042 j / (g-C)
Explanation:
Specific heat units are j / kg-C
2520 J / [ (10 kg)(70-10 C)] = 4.2 j / kg-C
Clear
What isotope is formed from the beta decay of zirconium-97
о
Niobium -96
Niobium - 97
Zirconium - 96
O Zirconium - 98
Zirconium - 96 isotope is formed from the beta decay of zirconium-97 , Option C is the correct answer .
What are Isotopes ?Atoms are composed of a cloud of electrons surrounding a dense nucleus that is 100,000 times smaller and comprised of protons and neutrons.
The number of protons(i.e., atomic number, "Z") determines the element.
Isotopes are atoms of the same element that have the same number of protons (i.e., atomic number, "Z") but a different number of neutrons, meaning that their mass number, "A", varies.
Naturally occurring zirconium (⁴⁰Zr) is composed of four stable isotopes
One very long-lived radio isotope (⁹⁶Zr), a primordial nuclide that decays via double beta decay with an observed half-life of 2.0×10¹⁹ years
The second most stable radioisotope is ⁹³Zr, which has a half-life of 1.53 million years.
Thirty other radioisotopes have been observed.
All have half-lives less than a day except for ⁹⁵Zr (64.02 days), ⁸⁸Zr (83.4 days), and ⁸⁹Zr (78.41 hours).
The primary decay mode is electron capture for isotopes lighter than ⁹²Zr
and the primary mode for heavier isotopes is beta decay.
Therefore Zirconium - 96 isotope is formed from the beta decay of zirconium-97 , Option C is the correct answer .
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What is the IUPAC name of the compound N2O?
Answer:
Nitrous Oxide
Explanation:
Create lattice for CaCl2
help for this practice work
Answer:
It's the third option.
Explanation:
In order for the chemical equation to be correctly it needs the same number of atoms of each element on both sides of the equal sign
1. Suppose you had 58.44 grams of NaCl and you dissolved it in exactly 2.00 L of solution.
What would be the molarity of the solution?
essay of poverty 500 words
Poverty is defined as a situation in which a family's fundamental necessities, such as food, housing, clothes, and education, are not met. It can lead to additional issues such as low literacy, unemployment, and starvation, among others. Due to a lack of funds, a poor individual is unable to obtain an education and hence remains unemployed. Unemployed people are unable to provide sufficient and healthy food for their families, and their health suffers as a result. A person who is weak lacks the necessary energy for the work. A unemployed individual would always be impoverished. As a result, we might claim that poverty is the basis of all other issues.
The United Nations has created two methods for evaluating poverty: absolute and relative poverty. In developing nations like India, absolute poverty is used to assess poverty. In industrialized countries like the United States, relative poverty is employed to quantify poverty. A poverty line has been established based on the minimum level of income in absolute poverty. If a family's daily income is less than this, they are poor or living in poverty. If a family's daily income exceeds this amount, it is considered non-poor or above the poverty line. The new poverty threshold in India is Rs 32 in rural areas and Rs 47 in cities.
"Poverty is not natural; it is manufactured," said Nobel Laureate and South African leader Nelson Mandela. The preceding remark is correct since most causes of poverty are caused by humans. Poverty has several causes, but the most significant is population growth. Countries' resources and budgets are being strained by rising population. Food, housing, and work are becoming increasingly difficult for governments to supply.
Lack of education, conflict, natural disasters, a lack of job, a lack of infrastructure, political instability, and so on are some of the other factors. For example, a person becomes jobless due to a lack of employment prospects and is unable to earn enough to meet his family's basic needs, resulting in poverty. Lack of knowledge forces a person to accept lower-paying occupations, making him poorer. Lack of infrastructure indicates that a country lacks industry, banks, and other institutions, resulting in a labor shortage. Natural calamities such as floods and earthquakes exacerbate poverty.
A protracted period of civil conflict in certain nations, particularly African ones like Somalia, has resulted in widespread poverty. This is because all of the resources and money are being diverted to the war effort rather than public welfare. Natural catastrophes, such as cyclones, are common in countries like India, Pakistan, and Bangladesh. Every year, these calamities occur, leading poverty to grow.
A poor family's life is affected by poverty. Poor people are unable to consume adequate food and nourishment, and their capacity to work is reduced. His income is further reduced by his reduced capacity to work, leaving him impoverished. Children from low-income families do not receive adequate education or nourishment. They must work in order to support their families, which ruins their childhood. Some of them may be involved in crimes such as theft, murder, and robbery, among others. A poor individual is illiterate and forced to live in slums in unsanitary conditions. In slums, there is no basic sanitation or drinking water, therefore he gets sick frequently and his health deteriorates. A disadvantaged individual is more likely to die young. As a result, all societal ills are linked to poverty.
The Indian government has also taken many steps to reduce poverty in the country. Some of these include establishing job opportunities, population control, and so on. In India, almost 60% of the population still relies on agriculture for a living. The Indian government has taken steps to boost agriculture. In our nation, the government built dams and canals to offer convenient access to water for irrigation. To support agriculture, the government has also made initiatives to make seeds and farming equipment more affordable. The government is also encouraging the cultivation of commercial crops such as cotton rather than food crops. The government is supporting manufacturing in cities in order to create more jobs. 'Ration stores' have also been established by the government.
Other initiatives include free and obligatory education for children up to the age of 14, scholarships for deserving students from low-income families, and subsidized housing for the poor.
Poverty is a societal ill, but we can help to combat it. For example, we may easily contribute old clothes to the needy, fund a poor child's education, or volunteer to educate impoverished pupils in our spare time. Before you throw food out, keep in mind that someone is still hungry.
CCC Matter and Energy The dashed curve shows
the average amount of radiation emitted by each
square meter of Earth's surface. On its way up,
some of that energy is absorbed or scattered by
the atmosphere. The solid curve shows the amount
that would be observed looking down from the
"top of the atmosphere" (TOA). Explain why there
are "dips" in that curve.
The amount of absorption force is not same at all time and at all where .
It has difference at different time periods
So during those the curve goes up and down and repeat this flow
So there are dips
What happens when two substances of different temperatures come in contact with each other?
Answer:
The hotter one loses heat and the cooler one gains heat until they become equal in temperature.
What is the reciprocal of cell constant?
Explanation:
resistivity is the reciprocal of cell constant
What is the best tool for separating marbles from water?
a.screen
b.filter paper
c.evaporation dish
Answer:
the best tool for separating marbles from water is evaporation disc
What is the concentration (molarity) of a solution created by dissolving 81.1 grams of Mg3P2 to create a 2.5 solution?
Answer:
The concentration of Mg3P2 solution = 0.24mol/L
Explanation:
Mass = 81.1g
Volume = 2.5L
Concentration (C) of a solution = [tex]\frac{Moles (n)}{Volume (V)}[/tex]
but moles = [tex]\frac{mass}{Molar mass}[/tex] and Molar mass of Mg3P2 = 134.88g/mol
Moles = [tex]\frac{81.1g}{134.88g/mol}[/tex]
= 0.60mol
hence the concentration can be calculated by;
C = [tex]\frac{0.60mol}{2.5L} \\[/tex]
= 0.24mol/L or 0.24M
Oil spills are a very serious form of pollution. They severely affect marine biodiversity and coastal ecosystems. The table shows methods that can be used to control oil spills.
A scientist wants to design a solution to control an oil spill. This solution should decrease the impact of the oil spill on the local biodiversity of the ecosystem. The solution should also be quick and effective but have minimal negative effects on the environment. Which of the following solutions would be best for the scientist to choose?
A. allowing natural processes to occur without any human intervention
B. using mechanical methods to collect the oil in one part of the ecosystem
C. using chemical methods to break the oil into smaller droplets
D. using bioremediation to speed up existing, natural oil degradation
Hellpppp!
Answer:
D. using bioremediation to speed up existing, natural oil degradation.
Explanation:
Got an A on this.
Explanation:
The correct answer is option D
A block has a length of 9.50mm, width 10.25mm, and height of 50.80 mm. If its mass is 38.7322 grams , what is the density in gram/cm³
Answer: 7.82999 g/cm³
Explanation:
1. Divide all of the lengths of the block by 10 to get them from mm to cm
2. Calculate volume of box
3. Calculate density using volume and mass
Select the correct structure that
corresponds to the name.
2,2,3-trichloro-3-fluorohexane
A.
B.
CI
CI
CI
CI
F
חד
CI
C. both
Answer:
C
Explanation:its right
The correct structure that corresponds to the name 2,2,3-trichloro-3-fluorohexane is both. Thus option C is correct.
What is chemical structure?Chemical structure is defined as the physical configuration of atoms within a molecule. The molecular geometry of the molecule is determined by its chemical structure. By illustrating how the atoms and chemical bonds are arranged in space within the molecule, chemical structure can be used to establish the molecular geometry of a product. Chemists can now see a crucial visual depiction of a chemical formula thanks to this.
2,2,3-trichloro-3-fluorohexane structure given is both are correct as one of the structure is trans form and the other is cis form of the structure. Option A is trans form while option B is cis form of structure.
Thus, the correct structure that corresponds to the name 2,2,3-trichloro-3-fluorohexane is both. Thus option C is correct.
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A.
Select the correct structure that
corresponds to the name.
heptane
B.
CH3(CH2)4CH3
Answer:
Only A., the stick structure with no branches and five vertices between the two endpoints.
Explanation:
An alkane is a saturated hydrocarbon compound with no branches- just a series of carbon atoms connected with [tex]{\rm C}-{\rm C}[/tex] single bonds. Heptane is the name for an alkane with [tex]7[/tex] carbon atoms (the prefix "[tex]\verb!hept-![/tex]" means "seven".)
Notice that there are only [tex]6[/tex] carbon atoms in the alkane with the condensed structure formula [tex]{\rm CH_{3}}({\rm CH_{2})_{4}{\rm CH_{3}}[/tex]. The name for that structure would be hexane, not heptane.
In general, the condensed structure formula of an alkane with [tex]n[/tex] carbon atoms ([tex]n > 2[/tex]) is [tex]{\rm CH_{3}}({\rm CH_{2}})_{n-2} {\rm CH_{3}}[/tex]. The correct condensed structure formula for heptane ([tex]n = 7[/tex]) would be [tex]{\rm CH_{3}}({\rm CH_{2}})_{5} {\rm CH_{3}}[/tex].
The structure in choice A is represented as a line-angle formula. As long as no letter is present in the formula, each vertex in the line-angle formula (including the endpoints) represents a carbon atom. Hence, the line-angle formula in choice A would represent a hydrocarbon with [tex]7[/tex] carbon atoms.
A single line denotes a single bond between atoms. All [tex]7[/tex] carbon atoms in this structure are thus joined in a line with [tex]{\rm C}-{\rm C}[/tex] single bonds. Hence, this structure denotes an alkane with [tex]7[/tex] carbon atoms- heptane.