compare and contrast then 4 types of friction? ​

Compare And Contrast Then 4 Types Of Friction?

Answers

Answer 1

Answer:

There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Static friction is strongest, followed by sliding

Explanation:

hope i help!.


Related Questions

Which of the following correctly identifies two of the eight elements of weather?

A. latitude and longitude

B. atmospheric pressure and visibility

C. dew point and ground temperature

D. condensation and saturation

Answers

Answer:

B. Atmospheric Pressure and Visibility

Explanation:

Latitude and Longitude are locations, not aspects of weather.

While dew point is an element, ground temperature is not measured.

Condensation regarding clouds might be measured but saturation more or less isn't. (Unless specifically humidity.

Atmospheric Pressure and Visibility are both elements of weather.

A sample of gas initially occupies 3.50 L at a pressure of 795 torr at 32.0oC. What will the temperature be if the pressure is changed to 4.00 atm, and the volume is changed to 1.50 L

Answers

As the volume was decreased and pressure increased to the given values, the new temperature of the ideal gas is 226.9°C.

Combined gas law

Combined gas law put together both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that "the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.

It is expressed as;

P₁V₁/T₁ = P₂V₂/T₂

Given the data in the question;

Initial volume V₁ = 3.50LInitial pressure P₁ = 795torr = 1.04605atmInitial temperature T₁ = 32.0°C = 305.15KFinal volume V₂ = 1.50LFinal pressure P₂ = 4.00atmFinal temperature T₂ = ?

To calculate the new temperature the gas, we subtsitute our given values into the expression above.

P₁V₁/T₁ = P₂V₂/T₂

P₁V₁T₂ = P₂V₂T₁

T₂ = P₂V₂T₁/P₁V₁

T₂ = ( 4.00atm × 1.50L × 305.15K ) / ( 1.04605atm × 3.50L )

T₂ = 1830.9LatmK / 3.661175Latm

T₂ = 500.085K

T₂ = 226.9°C

Therefore, as the volume was decreased and pressure increased to the given values, the new temperature of the ideal gas is 226.9°C.

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Which describes the burning of fossil fuels?
O A. The reaction is endothermic.
B. Greenhouse gases are released into the atmosphere.
O C. Turbines are used to heat the fuels.
D. Petroleum is formed because of the heating.

Answers

Answer:

B. Greenhouse gases are released into the atmosphere.

I learn it in my bio class

A volume of 26.5 mL of nitrogen gas was collected in a tube at a temperature of 17°C and a pressure of 737 mm Hg. The next day the volume of the nitrogen was 27.1 mL with the barometer still reading 737 mm Hg. What was the temperature on the second day?​

Answers

(26.5 ml)(737 mmHg) / 290 K = (27.1 mL) (737 mmHg)/ T2


T2 = 296.6 K

The final temperature of the nitrogen gas is equal to 23.5 °C.

What is the ideal gas equation?

The ideal gas equation describes the behavior of the state of a perfect gas. This equation defined that the product of the pressure and volume is equal to the product of the moles and absolute temperature of the gas.

The ideal gas equation can be expressed as shown below:

PV = nRT

Where n is the moles, V is the volume, R is the gas constant and T is the temperature.

Given, the temperature of nitrogen gas, T₁ =  17° C = 273 + 17 = 290 K

The pressure of the nitrogen gas, P₁ = 737 mmHg = 1.03 atm

The volume of the gas, V₁ = 26.5 ml = 0.0265 L

The pressure of the nitrogen gas, P₂ = 737 mmHg = 1.03 atm

The volume of the gas, V₂ = 27.1 ml = 0.0271 L

(P₁V₁)/T₁ = (P₂V₂)/T₂

[tex]{\displaystyle T_2 =\frac{P_2V_2T_1}{P_1V_1}[/tex]

[tex]{\displaystyle T_2 =\frac{1.03\times 0.0271\times290}{1.03\times 0.0265}[/tex]

T₂ = 296.5 K

T₂ = 296.5 -273 = 23.5 °C

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The molecular formula and molar mass of two straight-chain hydrocarbons are listed in the table above. Based on the information in the table, which compound has the higher boiling point, and why is that compound’s boiling point higher?

Answers

Answer:

~Shoto todorki here~

The following table illustrates some of the factors that influence the strength of intermolecular attractions. The formula of each entry is followed by its formula weight in parentheses and the boiling point in degrees Celsius. First there is molecular size. Large molecules have more electrons and nuclei that create van der Waals attractive forces, so their compounds usually have higher boiling points than similar compounds made up of smaller molecules. It is very important to apply this rule only to like compounds.  (Hope this helps!)

1. An acid will have the suffix “–ic acid” at the end of its name when the negative
ion has a suffix_______ . For example, “hydrogen carbonate (H2CO3)” is called “carbonic acid”.

2. An acid will have the suffix “–ous acid” at the end of its name when the negative
ion has a suffix________ . For example, “hydrogen sulphite (H2SO3)” is called “sulphurous acid.”

Answers

An acid will have the suffix “–ic acid” at the end of its name when the negative ion has a suffix -ide. An acid will have the suffix “–ous acid” at the end of its name when the negative ion has a suffix -ite.

What is an Acid?

This is defined as a chemical substance which can react with a base to form a salt in a reaction.

The appropriate acid suffixes and conditions is however correctly given above.

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Because they have alternating double and single bonds, the nitrogenous bases found in nucleic acids exist as two different structural forms in solution. The different structural forms are called

Answers

The both sturctures of the nucleic acid are called resonance structures.

What are resonance structures?

Resonance structures refers to those structures that differ from each other by the position of electron pairs. We must state that resonsnce occurs in spsecies that have conjugated double bonds.

Hence, the both sturctures of the nucleic acid are called resonance structures.

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help please acids and basis

Answers

Let's see

[OH-] be x

[tex]\\ \rm\Rrightarrow pOH=-log[OH-][/tex]

[tex]\\ \rm\Rrightarrow pOH=-logx[/tex]

[tex]\\ \rm\Rrightarrow 4.86=-logx[/tex]

[tex]\\ \rm\Rrightarrow logx=-4.86[/tex]

[tex]\\ \rm\Rrightarrow x=10^{-4.86}[/tex]

[tex]\\ \rm\Rrightarrow x=1.38M[/tex]

Help please : The amount of energy needed to heat 5. 3 g of a substance from 50. 0°C to 80. 0°C is 10. 4 J. What is the specific heat capacity of this sample?

Answers

Answer: 0.065

Explanation:

. What is the molarity of a solution that was prepared by dissolving 80.0 g of CaCl2 (molar mass = 111.1 g/mol) in enough water to make 500 mL of solution?​

Answers

Explanation:

Molarity = mol/L or g/L

Data:

Mass>80.0g

Mr of CaCl2>111.1g/mol

V>500mL

Convert mL to Litres;. mole=g/Mr

1L=1000mL. =80g/111.1g/mol

x=500mL. =0.720072007mol

x=0.5L

Molarity= mole/volume

=0.720072007mol/0.5L

=1.440144014mol/L

=1.4401mol/L

Hope this helps. Depending on the question you can also find it in g/L but mol/L is safer.

What are two ways in which fresh water lakes and streams can become acidic?.

Answers

Answer:

1.By reduction of acidified anions.

2.By weathering of rocks.

Explanation:

Answer:

2 or can be by reduction of acid anions

Kindly answer it please​

Answers

Answer:

See below ~

Explanation:

1. C. solid

2. B. tone quality

3. C. pitch

4. D. capable of producing its own light

5. D. stars

Answer:

1. C. solids

2. B. tone quality

3. A. pitch

4. D. capable of producing its own light

5. D. stars

A current of 15.0 A is passed through molten magnesium chloride for 15.0 hours. How many moles of magnesium metal could be produced via this electrolysis

Answers

For a current of 15.0 A is passed through molten magnesium chloride for 15.0 hours, the amount of moles of magnesium metal   is mathematically given as

M=4.2mole

What is the amount of moles of magnesium metal that could be produced via this electrolysis?

Generally, the equation for the Chemical reaction  is mathematically given as

Mg+2e---->Mg

Therefore

Charge=Currect*time

Q=15*5*4.0*10^4

Q=8.10*10^5C

In conclusion, the number of moles

8.10*10^5C*1M/(2*96500)

M=4.2mole

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What is the name of NoCk4? Explain how you determined the bond type and the steps you used to determine the naming convention for the compound.

Answers

I don’t get how y’all answer this, I can usually answer these questions but this one got me confused

While a certain isotope decays, it emits photons. what kind of decay is happening? alpha decay beta decay gamma decay positron decay

Answers

Answer:

gamma decay.

Explanation:

A gamma decay emits only a gamma-ray photon,

While a certain isotope decays, it emits photons.It is a type of gamma decay.

What are isotopes?

Isotopes are defined as substances having same number of protons but different number of neutrons.Number of protons is characteristic for determining position of elements in the periodic table.

Since,all isotopes have the same number of protons and hence have same position.They have similar chemical properties as they have same number of electrons.

They find applications in the field of nuclear medicine and oil and gas research . There are 2 types of isotopes : stable and unstable

Unstable isotopes are radioactive and are called as radioisotopes.Some of these isotopes are man -made and hence also called as artificial isotopes.Every element has an isotope which is either man-made or natural .

Many properties of isotopes depend on mass which is measured in atomic mass unit. The difference in actual mass and mass number is called mass defect.

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PLEASE help im falling behind :(
NO LINKS

How do you think plants would grow in space? Which tropism(s) would be affected and why?

Answers

Answer:

How do you think plants would grow in space? Which tropism(s) would be affected and why?

In the absence of gravity, plants use other environmental factors, such as light, to orient and guide growth. A bank of light emitting diodes (LEDs) above the plants produces a spectrum of light suited for the plants' growth. Enjoy don't  fail :)

Explanation:

In an ecosystem like space where there is no gravity, geotropism would be affected .

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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how can people affect the water cycle in a good way

Answers

Answer:

damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels.

Explanation:

What happens to the following system at equilibrium when it experiences an increase or a decrease in temperature?

H₂O(l) + heat energy ⇌ H₂O(g) ​

Answers

You get something called hyporthostatoc drop in pressure that causes lightheaded and dizziness fainting can occur or can total shock to the body systems when the brain and heart and vital organs experience that kind of mixture in it
When temperature increases, you can think of it as ‘adding’ to the reactant of heat energy, meaning that the system will shift to the right.

Similarly, when temperature decreases, you are decreasing the concentration of the ‘heat energy’, meaning the reaction will shift to the left.

A scientist studied a population of gorillas in central africa for one year. during this time, four gorillas were born and one orphaned gorilla joined the group. two older gorillas died and three males left the population to find mates. the calculated population growth was , indicating that the population .

Answers

The calculated population growth was zero indicating that the population had not net change.

What is population?

The term "population" refers to the number of people or species residing in a certain area.

According to the question:

Four gorillas were born and one orphaned gorilla joined = 4 + 1 = 5

Two older gorillas died and three males left the population to find mates = 5 - 2 - 3 = 0

The population increase of gorillas was calculated to be zero, meaning that there was no net change in the population.

Hence population had not net change.

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Answer:

The calculated population growth was ZERO, indicating that the population HAD NO NET CHANGE.

Explanation: Got it right! Good luck guys!

__________ in carbon dioxide in your tissues leads to __________ in ph of cerebrospinal fluid and blood, which ultimately causes your breathing to speed up.

Answers

DISTURBANCE in carbon dioxide in your tissues leads to CHANGE in pH of cerebrospinal fluid and blood, which ultimately causes your breathing to speed up.

Effects of carbondioxide in the body

The carbondioxide in the tissues are transported in the blood from the bodily tissues to the lungs through binding to hemoglobin or as a bicarbonate ion. the disturbance of CO₂ in the tissues will lead to a change in the pH level of the cerebrospinal fluid which leads to an increase in breathing speed.

Hence we can conclude that Disturbance in carbon dioxide in your tissues leads to Change in pH of cerebrospinal fluid and blood, which ultimately causes your breathing to speed up.

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What is the pH of a 0.0340 M HCl solution?​

Answers

Answer:

HCl → H+ + Cl-

pH = -log[H+] = 1.469

Explanation:

Strong acid doesn't establish equilibrium. To determine the pH of a strong acid, the concentration of the acid is equal to the concentration of the hydrogen ion, so take the -log[H+], which will give you the pH. And you can see that it is a small number, and that's because HCl is a strong acid.

The pH of a solution can be calculated using the equation: pH = -log[H+]

What is pH?

pH is a measure of the acidity or alkalinity of a solution. It is a scale that ranges from 0 to 14, with 7 being considered neutral. A pH value below 7 indicates acidity, while a pH value above 7 indicates alkalinity.

In this case, the HCl solution has a concentration of 0.0340 M, which represents the concentration of H+ ions. Since HCl is a strong acid, it completely dissociates in water, yielding one H+ ion for every HCl molecule.

Therefore, the concentration of H+ ions is equal to the concentration of the HCl solution, which is 0.0340 M.

Taking the negative logarithm of 0.0340, we have:

pH = -log(0.0340)

Using a calculator, we find that the pH of the 0.0340 M HCl solution is approximately 1.47.

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If 4.5 moles of H2O are produced how many moles of citric acid were used in this reaction

Answers

Answer:

Explanation:

Question

If 4.5 moles of H2O are produced how many moles of citric acid were used in this reaction

what caused our solar system to form by pulling together gases and dust in a nebula?​

Answers

i’m pretty sure it’s gravity man

How does the bronsted-lowry theory define acids and bases.

Answers

Answer:

an acid is a proton (H⁺) donor, and a base is a proton acceptor.

Explanation:

hope this helps

pls mark brainliest

What is the name for this molecule? a skeletal model of an 8-carbon zig zag chain. there is a double bond between the first and second carbons. nonene nonane 1-octyne 1-octene

Answers

The name of the compound by using the IUPAC nomenclature of organic compounds is 1 -octene. The correct option is the last option - 1-octene.

Nomenclature of Organic compounds

From the question, we are to determine the name of the given molecule.

To name the compound, we will follow the IUPAC rules.

Some of IUPAC rules are

Find the longest continuous carbon chain. Determine the root name for this parent chain.For Alkenes (organic compounds with double bond), number the chain of carbons that includes the C=C so that the C=C has the lower position number. Change “ane” to “ene” and assign a position number to the first carbon of the C=C.

The given compound has 8 carbons and a double bond. The root name of the compound is octane.

By IUPAC rules, the compound is an Octene.

Since the double bond is between carbon-1 and carbon-2. The compound becomes 1-octene.

Hence, the name of the compound by using the IUPAC nomenclature of organic compounds is 1 -octene. The correct option is the last option - 1-octene.

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The diagram for the compound is attached below.

Please help, I’ll mark your answer as brainliest

Answers

Answer:

5.16 gm of SO3 formed with 2 g of S

Explanation:

Mole weight of  S in the equation = 2 * 32 = 62 gm

Mole weight os   O2  in the equation  6 * 16 =96 gm

From the BALANCED  equation   the grams of   S  to   O2  is

    62   to 96   so    2 g of  S will need  approx 3 gm of O2

            this shows that S is the limiting reactant------>

                            there will be O left over  (approx 1 gram)

SO3 mole weight produced from the equation is   2 (32)(3*16) = 160 gm

  62 gm of S produces 160 gm of SO3

   62/160 =  2 / x       x = 5.16 gm of  SO3   are formed

What are some instantaneous speed examples in an everday life!

Answers

Answer:

If you ask for water and water immediately appears that very second, this is an example of something instantaneous.

Most compounds that contain carbon can be placed in which chemical group?.

Answers

Answer:

Organic compounds

Explanations:

Organic compounds usually have carbon bonded with one or more of the following: hydrogen, nitrogen, or oxygen

hope that helps :)

Harry uses a sling psychrometer to measure relative humidity near his school. The dry bulb temperature reads 58°F, and the wet bulb reads 45°F. At the same time, his cousin Roberta uses her sling psychrometer to measure the relative humidity near her house. The dry bulb temperature reads 58°F, and the wet bulb reads 50°F. What can you conclude from the values?
A.
The relative humidity is higher at Harry’s school than at Roberta’s house.
B.
The relative humidity is higher at Roberta’s house than at Harry’s school.
C.
The relative humidity is the same at Harry’s school and Roberta’s house.
D.
The relative humidity is 45% at Harry’s school and 50% at Roberta’s house.

Answers

Answer:

A.The relative humidity is higher at Harry’s school than at Roberta’s house.

Explanation:

Check using the Relative Humidity Table

Answer:

Option B) The relative humidity is higher at Roberta’s house than at Harry’s school.

Explanation:

got 100% on test

Where t is time, N is the mass of the sample, and is the half-life (time it takes for half of the initial sample to decay). The half-life of Carbon-14 is about 5730 years. How many years would it take a 1000 gram sample to decay to only 400 grams

Answers

Answer:

see below

Explanation:

400 gm = 1000 gm (1/2)^n

.4 = (1/2)^n

n = 1.322  half lives = 7574.6 yrs

According to half life, 7574.6 years  would it take a 1000 gram sample to decay to only 400 grams.

What is half life?

Half -life of a substance is defined as the time which is required for half of the quantity of a radioactive substance to get decayed.It is a term which is used in nuclear chemistry for describing how quickly unstable atoms undergo radioactive decay into other nuclear species by emitting particles or the time which is required for number of disintegrations per second of radioactive material to decrease by one half of its initial value.

400 gm = 1000 gm (1/2)[tex]^n[/tex]

.4 = (1/2)[tex]^n[/tex]

n = 1.322  half lives = 7574.6 yrs.

Thus, 7574.6 years  would it take a 1000 gram sample to decay to only 400 grams.

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