Why are city streets so vital to the functioning of a city, as well as the people living within it?

Answers

Answer 1
In the city, there is more people there including more resources. They also have a lot of good stuff in the city because they know it will attract a lot of people there because cities are so crowded.

Related Questions

Would you rather get tips or a commission for your wages? Why?​

Answers

Answer:

commission

Explanation:

Employers benefit from paying a commission to their employees because it means that they only pay the employee if there is a sale. ... It also improves the cash flows of the business because it means that employees are only paid when money is coming in from a sale.

If i were a maneger I would love commision For the reason that is stated above, but if I was just an employe I would rather work from tips.

im in the middle of a chem test and i literally have no clue what is happening

Answers

Answer:

No question so I'm just taking the points

Which of the following is an oxidation-reduction reaction? ZnS(s) + 2O2(g) ZnSO4(s) CaO(s) + H2O(l) Ca(OH)2(s) 6Li2O(s) + P4O10(g) 4Li3PO4(s) SO2(g) + H2O(l) H2SO3(aq)

Answers

ZnS(s) + 2O₂(g) ⇒ZnSO₄(s)

Further explanation

The oxidation-reduction reaction or abbreviated as Redox is a chemical reaction in which there is a change in oxidation number

Oxidation is an increase in oxidation number, while reduction is a decrease in oxidation number.

Reaction

ZnS(s) + 2O₂(g) ⇒ZnSO₄(s)

S²⁻ (-2 in ZnS) to S⁺⁶(+6 in ZnSO₄) ⇒ oxidation

O₂(0 in O₂) to O⁻²(-2 in ZnSO₄)⇒ reduction

Answer:

A. ZnS(s) + 2O2(g) Right arrow. ZnSO4(s)

Explanation:

Ung number three po plssssssssssss.

Answers

the answer is C - Oil

Answer:

For #3 I believe it's A

Explanation:

It can't be changed INTO a solid because it already is one.

Hope this helps!

why is the chemical reaction between nitric acid and sodium hydroxide called a neutralization reaction?​

Answers

Answer:

Because nitric acid is acidic in nature and sodium hydroxide is basic in nature so when acid and base react they become neutral.

What are some of the challenges and reasons for
sending people back to the Moon by 2024?

Answers

Answer: Prob to see if anything new has came or has happened

Explanation:

Answer:

NASA Publishes Artemis Plan to Land First Woman, Next Man on Moon in 2024. ... We're going back to the Moon for scientific discovery, economic benefits, and inspiration for a new a generation of explorers. As we build up a sustainable presence, we're also building momentum toward those first human steps on the Red Planet.

Explanation:

What do the colors represent?

Answers

Answer:

Dark Blue: Symbolizes integrity, knowledge, power, and seriousness. Blue: Peace, tranquility, cold, calm, stability, harmony, unity, trust, truth, confidence, conservatism, security, cleanliness, order, loyalty, sky, water, technology, depression, appetite suppressant.

What does it mean for a system to be in dynamic equilibrium?

Answers

The rate of the forward reaction equals the rate of the backward reaction. A dynamic equilibrium is a chemical equilibrium between a forward reaction and the reverse reaction where the rate of the reactions are equal.

Answer:

a state of balance between continuing processes.

Explanation:

Dynamic equilibrium only occurs in reversible reactions, and it's when the rate of the forward reaction is equal to the rate of the reverse reaction.

Magnesium (24.30g) reacts with hydrogen chloride (xg) to produce hydrogen gas(2.04g) and magnesium chloride (96.90g). How much hydrogen chloride was used in the reaction

Answers

We have that for the Question,it can be said that How much hydrogen chloride was used in the reaction is

x=74.42

From the question we are told

Magnesium (24.30g) reacts with hydrogen chloride (xg) to produce hydrogen gas(2.04g) and magnesium chloride (96.90g).

How much hydrogen chloride was used in the reaction

How much hydrogen chloride was used in the reaction

Generally the equation for the Reaction is  is mathematically given as

Mg+2HCl-----MgCl2+H2

Grams of MgCl2=[tex]\frac{96.9*24.30}{2.04}\\[/tex]
Grams of MgCl2=1154.25g

Therefore

ON cK -12

How much hydrogen chloride was used in the reaction is

x=74.42

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WILL GIVE BRAINLIST IF RIGHT

While visiting Thor's Hammer in Bryce Canyon National park, you observe red coloring on the landform. What natural process most likely caused the red coloring? (4 points)
Chemical weathering
Deposition
Erosion
Mechanical weathering

Answers

Answer:

Chemical weathering because the landform changed color

Explanation:

Answer: A) Chemical Weathering

Explanation:

I took the test :)

The mass ratio of hydrogen to oxygen in water (formula H20) is 0.126 g hydrogen for every 1 g of oxygen. In another compound of hydrogen and oxygen called hydrogen peroxide, the mass ratio of hydrogen to oxygen is 0.063 g hydrogen for every 1 g of oxygen. What is a possible formula of hydrogen peroxide?​

Answers

Answer: H2O2

Explanation:

Phillip throws a basketball up in the air and through a hoop. Because the ball is acted on by the force of gravity, the ball will —

Answers

Answer:

Fal down to the flour

Explanation:

Because of gravity their is weight that weight keeps us down to earth everything has weight even a leaf not only weight but the atmosphere is like a wall that keeps us safe from all the stuff in space.

The rock was white and black speckled with a density of 2.6 g/mL. Physical or chemical property?

Answers

Answer:

Chemical

Explanation:

In the quantum mechanical model, what two words do they use to describe
particles?

Answers

Answer:

This question is incomplete

Explanation:

This question is incomplete but one can assume the answer from the definition of quantum mechanics. Quantum mechanics is the science that describes particles in nature at the atomic and subatomic particle (electron, proton and neutron) level. Thus it can be assumed that atoms and subatomic particles are used to broadly describe particles.

Words made from letters of the alphabet are similar to molecules made from atoms. Based on what you already know about matter, which statement best explains this comparison?
A. Atoms can make many different molecules, just like letters can make many different words.
B. Molecules must contain many different atoms, just like words must contain many different letters.
C. There are 26 different atoms that are used to form molecules, just like there are 26 different letters that are used to form words.
D. There are no rules for how letters combine to make words, just like there are no rules for how atoms combine to make molecules.

Answers

the answer would be, a

To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. The correct option is option A.

What is atom?

Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit. Atoms can make many different molecules, just like letters can make many different words.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron.

Therefore, the correct option is option A that is Atoms can make many different molecules, just like letters can make many different words.

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give me examples of everyday problems you think involve the green substances copper acetate or copper sulfate.

Answers

Answer: Copper sulfate is also called blue vitriol, Roman vitriol, Salzburg vitriol, blue copperas or bluestone, which is an inorganic or chemical compound comprised of Copper, Sulphur and Oxygen.  It is an odorless crystalline substance, electric blue and highly toxic, which is produced in industries by treating the copper metal with hot concentrated sulfuric acid or treating its oxides with dilute sulfuric acid. It can be produced by slowly leaching low-grade copper ore in air and bacteria may be used to hasten the process.

How many protons are in the nucleus of one atom of neon based on this information found in the Periodic Table?

Answers

Answer:

10 protons

Explanation:

The atomic number of an element is equal to the number of protons of the element. The atomic number of neon is 10. Therefore, neon contains 10 protons.

10 protons are in the nucleus of one atom of neon based on this information found in the Periodic Table.

What is periodic table ?

The chemical elements are arranged in rows and columns in the periodic table, sometimes referred to as the periodic table of the elements. It is frequently used in physics, chemistry, and other disciplines and is frequently regarded as a symbol of chemistry.

The elements are organized in what is known as the periodic table. Columns and rows are used to organize the table. The horizontal rows are referred to as "periods," while the vertical columns are known as "groups."

Thus, The atomic number of an element is similar to the number of protons of the element. The atomic number of an element neon is 10. So, neon contains 10 protons.

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A block with a volume of 24 cm3 has a mass of 1200 g. What is the density of this block

Answers

Answer:

The answer is 0.02 g/cm³

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{24}{1200} = \frac{1}{50} \\ [/tex]

We have the final answer as

0.02 g/cm³

Hope this helps you


How many moles would there be in 500,000,000,000 atoms of silver? Show your calculation
and answer in unit

Answers

Answer: 3.01 * 10^35

Explanation:

500,000,000,000 * 6.02 * 10^23

There are 3 [tex]\rm \times\;10^3^5[/tex] moles of silver present in the 500,000,000,000 atoms of silver.

According to the concept of molar mass:

1 atom = [tex]\rm 6.023\;\times\;10^2^3[/tex] moles

500,000,000,000 atoms of silver can be written as:

5 [tex]\rm \times\;10^1^1[/tex] atoms of silver.

1 atom = [tex]\rm 6.023\;\times\;10^2^3[/tex] moles

5 [tex]\rm \times\;10^1^1[/tex] atoms = 5 [tex]\rm \times\;10^1^1[/tex] [tex]\times[/tex] [tex]\rm 6.023\;\times\;10^2^3[/tex] moles

5 [tex]\rm \times\;10^1^1[/tex] atoms = 30.115 [tex]\rm \times\;10^3^4[/tex] moles

= 3 [tex]\rm \times\;10^3^5[/tex] moles.

The moles of silver are present in the 500,000,000,000 atoms of silver are 3 [tex]\rm \times\;10^3^5[/tex] moles.

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can i has help?

A 2-column table with 7 rows. The first column labeled Material has entries aluminum, iron, lead, sand, steel, wood, water. The second column labeled Specific Heat (Joules per gram times degrees Celsius) has entries 0.90, 0.44, 0.16, 0.83, 0.49, 1.80, 4.18.
Use this chart showing the different specific heat of various materials to answer the questions.

Which material has the highest specific heat?

Which material has the lowest specific heat?

Which material has the ability to absorb twice as much heat as aluminum when placed in the same environment of mass and temperature?

Answers

Answer:

water, lead, and wood

Explanation:

All are correct on Edg 2020

Answer:

Which material has the highest specific heat?

water

Which material has the lowest specific heat?

lead

Which material has the ability to absorb twice as much heat as aluminum when placed in the same environment of mass and temperature?

wood

Explanation:

Which structure carries instructions for producing the proteins that help make a person’s hair curly?

phosphate
deoxyribose
lipid
gene

Answers

Answer: Bipalium kewense is a species of flatworm that can reproduce sexually; however, instead it usually breaks into two pieces, each of which becomes a fully functioning adult.

What is the main method of reproduction for these flatworms?

binary fission

fragmentation

sporulation

fertilization

Answer:

The correct answer should be :D). Gene on edg.

Am i gay?
I cant tell so i may need a third party to tell me whether i like men or not

Answers

Answer:

ok

Explanation: whatever you think

dang umm do u like men or women

The atomic mass unit is based on which element?

Answers

Carbon-12

Carbon-12 is the reference for all atomic mass calculations. An atomic mass unit is defined as a mass equal to one twelfth the mass of an atom of carbon-12.

In another experiment, the student titrated 50.0mL of 0.100MHC2H3O2 with 0.100MNaOH(aq) . Calculate the pH of the solution at the equivalence point.

Answers

pH=8.87

Further explanation

Reaction

C₂H₄O₂+NaOH⇒CH₃COONa+H₂O

at the equivalence point = mol C₂H₄O₂= mol NaOH

mol C₂H₄O₂ : 50 x 0.1 = 0.5 mlmol=5.10⁻⁴ mol

The two reactants have completely reacted, and there is only salt(CH₃COONa) and water(H₂O), there will be hydrolysis

For acids from weak acids and strong bases (the solution is alkaline) then the calculation:

[tex]\tt [OH^-]=\sqrt{\dfrac{Kw}{Ka}\times M }[/tex]

M=anion concentration=CH₃COO⁻

Ka=acid constant(for CH₃COOH,Ka=1.8.10⁻⁵)

[tex]\tt [OH^-]=\sqrt{\dfrac{10^{-14}}{1.8.10^{-5}}\times 0.1 }[/tex]

[tex]\tt [OH^-]=\sqrt{5.6.10^{-11}}=7.483\times 10^{-6}[/tex]

pOH=6-log 7.483=5.13

pH= 14 - 5.13=8.87

The pH of the solution is the negative log [H] concentration. The pH of the given solution is 8.87 at the equivalence point.

pH:

The given Reaction is:  

C₂H₄O₂+ NaOH ⇒ CH₃COON + H₂O

The pH of the solution can be calculated by,

[tex]\bold{pH = 14 - pOH}[/tex]................1

So first, calculate for pOH

[tex]\bold {pOH = \sqrt {\dfrac {Kw}{Ka} \times M}}[/tex]

Where,

Ka - dissociatioon constant = 50 x 0.1 = 0.5 ml = 5x10⁻⁴ mol

Kw - concentaion water ionic products = [tex]\bold {10^{-14}}[/tex]

M - anion concentration( CH₃COO⁻) = 0.1 M

Put the values in the formula,

[tex]\bold {pOH = \sqrt {\dfrac {\bold {10^{-14}}}{5\times 10^{-4} mol} \times 0.1}}\\\\\bold {pOH = 7.483 \times 10^{-6}}[/tex]

Since the pOH is the negative log of [OH⁻] concentration,

pOH = 6  -ln 7.483

pOH = 5.13

Put the value of pOH in the first equation,

pH= 14 - 5.13

pH = 8.87

Therefore, the pH of the given solution is 8.87 at the equivalence point.

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What are the coefficients when the chemical equation below is balanced?
_Fe + _H2SO4 = _Fe2(SO4)3 + _H2

A) 2,3,3,3
B) 3,2,3,1
C) 1,1,1,1
D) 2,3,1,3

Answers

The correct answer is D

Fill in the blanks. SPELLING COUNTS!!

Types of Forces



A
repel
is a force that causes an object to move away from the thing pushing it.



A
magnet
is a force that causes an object to move toward the thing pulling it.



Motion is caused by familiar
like a push, pull, friction, gravity, and magnetic attraction.



is a force which resists motion and can also create heat.



Magnetism is a force that can
(pull) and
(push).



Gravity
is a force that pulls objects toward the Earth’s center.

Please answer the blank question or answer all for brainliest

Answers

Answer:

cocooooooooooooooooooooooooooo

Explanation:

3n\hj 3ihhjcvyh 6]0u70-uh]h ]]huc7]]uh uhu-hu -u h-u7-u37-]u3- -7u7uh5h57h0u70y c0yuuh-u-]u]3u3 cuyuycuy0nuy0yc6udy8056uy08

Help me out here please?

Answers

Answer:

B

Explanation:

When electricity is passed through a common salt solution. Sodium hydroxide is
produced along with the liberation of the two gases X and Y. X burns with pop
sound whereas Y is used for disinfecting drinking water.
a) Identify X and Y
b) Give the chemical equation for the reaction stated above
c) State the reaction of Y with dry slaked lime,

Answers

Answer:

a)oxygen and chlorine

b) H20+NaCl= NaOH + O+ Cl

c) Cl2+ Ca(OH)2=CaOCl2+CaCl2 +HCL

Explanation:

electricity splits up the molecules for water and hydrogen displaces chlorine because its is more reactive.

please answer these questions!

Answers

Explanation:

1)

Equation -

Propane + oxygen → carbon dioxide + water

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

Here,

Products are -

Carbon dioxide (CO₂) Water (H₂O)

2)

Equation -

AgNO₃ (aq.) + NaCl (s) → AgCl ↓ + NaNO₃ (aq.)

Double Displacement reaction

Complete the sentence by using the drop-down menus
to choose the words that describe the image most
accurately
To make an omelet, first
the egg and then let
the insides slide
into the bowl.

Answers

Answer:

1st one: crack

2nd: carefully

Explanation:

Answer:

Crack and then carefully

Explanation:

I just did it in edgen 2020

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