A vehicle is moving with a velocity of 20 m/s.how far does it moves in one hrs

Answers

Answer 1
Distance= Speed x Time

1hr=60mins

60mins=3600 secs

20 x 3600=72000

72000 is your answer.


Related Questions

The carbonyl carbon in a ketone is attacked primarily by the peroxy oxygen bonded to hydrogen as opposed to the peroxy oxygen bonded to carbon because:

Answers

Answer:

This is because peroxy oxygen bonded to hydrogen can easily undergo nucleophilic protonation with the carbonyl carbon to form an alcohol

Explanation:

A ketone is a functional group that contains a carbonyl group (carbon-oxygen double bond ( R1R2-C=O).

The carbonyl carbon doubly bonded to the oxygen is electron deficient as a result of difference in electronegativity between carbon and oxygen, hence is susceptible to nucleophilic attacks

R1R2 - C = O

where R1 and R2 are organic substituents.

The peroxy oxygen that is bonded to hydrogen (H -O-O-R) is the electron-rich centre and easily attacks electron-deficient centres like the carbonyl carbon in ketones to form an alcohol.

The bond between the hydrogen attached to the peroxy oxygen is broken and the resultant hydrogen ion undergoes protonation with the oxygen of the carbonyl group to form an alcohol

R1R2 - C = O + H - O-O - R =>

R1R2- CH - OH + R - O-O-R1

Which statement about biogeochemical cycles is true?
O A. Plants are a part of the nitrogen and carbon cycles, but not the
water cycle.
O B. Plants are a part of the nitrogen, carbon, and water cycles.
O c. Plants are a part of the water and carbon cycles, but not the
nitrogen cycle.
D. Plants are a part
carbon cycle.
the water and nitrogen cycles, but not the

Answers

Answer: The answer is D:

Answer:

The answer is Option D

What is the weight on Earth of an apple with mass 150g?

Answers

Answer:
Gravitational Force = 1.47 N
Acceleration produced in Apple = 9.8 m/s^2
Acceleration produced in Earth = 2.45 x 10^(-23) m/s^2
Explanation:
Mass of Apple = 150 g = 0.15 Kg
Mass of Earth = 6 x 10^24 Kg
Radius of Earth = 6.38 x 10^6 m
Universal Gravitational Constant G = 6.67 x 10^-11 Nm^2/kg^2
Force due to gravity = G (mass of apple) (mass of earth) / (radius of earth)^2
We know that G (mass of earth) / (radius of earth)^2 = g = 9.8 m/s^2
So F = 9.8 (mass of apple) = 1.47 N
Gravitational Force = 1.47 N
By 2nd law of motion F = ma, a = F/m
Acceleration produced in Apple = F / (mass of apple) = 1.47 N / 0.15 Kg = 9.8 m/s^2
Acceleration produced in Earth = F / (mass of earth) = 1.47 N / 6 x 10^24 Kg = 2.45 x 10^(-23) m/s^2
Weight=mass x gravitational field strength

Gravitational field strength= 10N/kg

150/1000= 0.15kg
0.15kg x 10= 1.5N

(Weight is measured in Newton’s)

Could anyone provide me with a run down on Electrolysis?​

Answers

Negatively charged ions move to the positive electrode during electrolysis. They lose electrons and are oxidised . The substance that is broken down is called the electrolyte.

Answer:

La electrólisis es un proceso físico por el que se descompone una sustancia en disolución a través de la corriente eléctrica. Para que la electrólisis sea posible es necesaria una fuente de alimentación continua, una disolución iónica y dos polos (ánodo y cátodo), que atraen hacia sí los iones de signo opuesto.

a que llamamos niveles y subniveles de energia?

Answers

Answer:

agua

Explanation:

por que estamos en la planeta

Which of the following elements has three valence electrons? (2 points)

Li
C
Al
Mg

Answers

Answer:

Al

Explanation:

It has 3.

Write a Lewis structure that obeys the octet rule for each molecule or ion. Include resonance structures if necessary and assign formal charges to each atom.

Answers

Answer:

A structure that obeys the octet rule for each molecule or ion is [tex]XeO_4[/tex]  

Explanation:

Here in [tex]XeO_4[/tex]   , Xenon  has  8 valence electrons and each oxygen atom has 6 valence electrons  

Lewis structure for [tex]XeO_4[/tex] is shown below :

Here , all atoms are having their complete octet .

All the atoms in this Lewis structure is having their complete octet .

Resonance structure is not required as all atoms are same that is oxygen .

Balance equation for. _Mg + _H3(PO4) --_Mg3(PO4)2+ _H2

Answers

3Mg + 2H3(PO4) —> Mg3(PO4)2 + 3H2

I think

Na3N decomposes to form sodium and nitrogen gas at STP. If 13.7 L of nitrogen is produced
how many moles of Na3N was used? (22.4 L = 1 mole of any gas)
2Na3N --> 6Na + N2

Answers

Answer: 1.224 moles of [tex]Na_3N[/tex] were used.

Explanation:

We are given:

Volume of nitrogen gas produced = 13.7 L

At STP conditions:

22.4 L of volume is occupied by 1 mole of a gas

Applying unitary method:

13.7 L of nitrogen gas will be occupied by = [tex]\frac{1mol}{22.4L}\times 13.7L=0.612mol[/tex]

For the given chemical reaction:

[tex]2Na_3N\rightarrow 6Na+N_2[/tex]

By Stoichiometry of the reaction:

1 mole of nitrogen gas is produced by 2 mole of [tex]Na_3N[/tex]

So, 0.612 moles of nitrogen gas will be produced from = [tex]\frac{2}{1}\times 0.612=1.224mol[/tex] of [tex]Na_3N[/tex]

Hence, 1.224 moles of [tex]Na_3N[/tex] were used.

The electrolysis of water forms H2 and O2. 2H2O Right arrow. 2H2 O2 What is the percent yield of O2 if 10.2 g of O2 is produced from the decomposition of 17.0 g of H2O

Answers

Answer:

67.5%

Explanation:

Step 1: Write the balanced equation for the electrolysis of water

2 H₂O ⇒ 2 H₂ + O₂

Step 2: Calculate the theoretical yield of O₂ from 17.0 g of H₂O

According to the balanced equation, the mass ratio of H₂O to O₂ is 36.04:32.00.

17.0 g H₂O × 32.00 g O₂/36.04 g H₂O = 15.1 g O₂

Step 3: Calculate the percent yield of O₂

Given the experimental yield of O₂ is 10.2 g, we can calculate its percent yield using the following expression.

%yield = (exp yield / theoret yield) × 100%

%yield = (10.2 g / 15.1 g) × 100% = 67.5%

The weak base ionization
constant (Kb) for Clois
equal to:
A
B
[CIO-][H30+)
[HOCI]
[HCIO][OH-]
[CIO-]

Answers

Answer:

The answer would be [HCIO][OH-]

_________

[CIO-]

Explanation:

So, the answer would be (b).

what is the formula of silver sulphate ​

Answers

Answer:

Ag2SO4

Explanation:

How do you think you results would be affected if using K2Cr2O7/H2SO4 as the oxidizing agent instead of KMnO4

Answers

Answer:

Due to weak oxidizing agent.

Explanation:

In my opinion the results would be affected if using K2Cr2O7/H2SO4 as the oxidizing agent instead of KMnO4 because K2Cr2O7/H2SO4 is weak oxidizing agent as compared to KMnO4. An oxidizing agent is a substance that has the ability to oxidize other substances means that accept their electrons so that's why the results of strong oxidizing agent is different than weak oxidizing agent.

The results of the reaction will be affected due to the difference in :

Oxidizing agent strength

The use of  K₂Cr₂O7 / H₂SO₄ which is weaker oxidizing agent in the reaction will produce a different result from the use of KmnO₄ which is a stronger oxidizing agent.

This is because stronger oxidizing agents in reaction readily accept electrons from reactants while weaker oxidizing agents do not readily accept electrons from substances reacting in the reaction.

Therefore we can conclude that The results of the reaction will be affected due to the difference in oxidizing agent strength

Learn more : https://brainly.com/question/16450420

Although your question is incomplete a general solution is provide within the scope of your question

At a recycling plant, old tin cans are melted down and reconstructed. This is an example of a ___________.

Answers

It would be physical change. Because of its processing

what is a saturted solution

Answers

Answer:

Please find the definition and further explanation below

Explanation:

Based on the ability for the solvent (liquid substance) to dissolve a solute (solid substance), a solution can either be unsaturated, saturated or supersaturated. A SATURATED SOLUTION is that which contains the maximum amount of solute a solvent can possibly dissolve.

In other words, a saturated solution can no longer dissolve anymore solute, and hence, any further solute added forms crystals or makes the solution supersaturated.

PLS HELP!!
Compare and contrast an electrolytic cell with a voltaic cell. Provide one example where both are present in daily life.

Answers

Answer:

See explanation

Explanation:

An electrolytic cell functions by a non spontaneous chemical process. Energy is supplied in the form of electricity through a battery to drive the electrochemical process.

A voltaic cell functions by a spontaneous chemical process. Energy or work can be derived from a voltaic cell.

When iron is rusting, a natural voltaic cell is set and the iron is converted to hydrated iron III hydroxide. The set up used for the extraction of sodium metal from brine functions on the basis of electrolysis.

What is water cycle ?​

Answers

Answer:

is the water that passes through the carbon cycle of atmosphere

An iron block of mass 18 kg is heated from 285 K to 318 K. If 267.3 kJ is required, what is the specific heat of iron?
A. 490.05
B. 158.77
C. 145.80
D. 450.00

Answers

Answer:

D. 450 J/kgK

Explanation:

Using the formula as follows:

Q = m × c × ∆T

Where:

Q = amount of heat absorbed/released (J)

m = mass of substance (g)

c = specific heat capacity

∆T = change in temperature (°C)

According to the information provided in this question:

Q = 267.3 kJ = 267300J

m = 18kg

∆T = 318K - 285K = 33K

c = ?

Q = m × c × ∆T

c = Q ÷ m∆T

c = 267300 ÷ 18 × 33

c = 267300 ÷ 594

c = 450 J/kgK

As Danny was pouring cereal for his breakfast, he noticed that the cereal box says that the cereal contains 5 milligrams of iron per serving. Danny decided to perform an experiment to test this claim. He found that the cereal contains 4.6 milligrams of iron per serving. Based on Danny's measurement, the value reported on the label is because .

Answers

The question is incomplete, the complete question is;

As Danny was pouring cereal for his breakfast, he noticed that the cereal box says that the cereal contains 5 milligrams of iron per serving. Danny decided to perform an experiment to test this claim. He found that the cereal contains 4.6 milligrams of iron per serving. Based on Danny's measurement, the value reported on the label is ( CORRECT OR INCCORECT) because A: (IT IS DIFFERENT FROM THE VALUE DANNY MEASURED) B: (IT IS REORTED TO THE NEAREST MILLIGRAM) C: (IT USES THE SAME UNITS THAT DANNY USED).

Answer:

CORRECT because IT IS REORTED TO THE NEAREST MILLIGRAM

Explanation:

In mathematics, values may be rounded up or down as required. In the case of this measurement of cereals by Danny, it is customary to measure the amount of iron per serving to the nearest milligram.

As such, even though Danny found out that the actual amount of iron per serving in the cereal is 4.6 milligrams, the value reported on the cereal box is still correct because it was reported to the nearest milligram hence the value had to be rounded up.

Which of the following elements is the largest in size?
A) O
B) He
C) K
ODH

Answers

Answer:

C) K

Explanation:

K has an electron configuration of 2.8.8.1

For a reaction, AH = 176 kJ/mol and A SO = 0.285 kJ/(K•mol). At what
temperatures is this reaction spontaneous?
A. At no temperature
B. T< 50 K
C. T> 617 K
D. T< 617K

Answers

C trust meeeeeeeeeeer

Amino acids that must be obtained through the diet are called O A) cholesterol. OB) non-essential amino acids. o C) essential amino acids. The OD) peptides.​

Answers

Answer:

I belive C: essential amino acids

Explanation:

They can t be made from the body so they must be obtained my food

The mass of a boy is 60 kg. Calculate his weight if the value of g is 9.8 ms2​

Answers

Answer:

Weight = mass × gravitational

Weight = 60 kg × 9.8 ms²

= 588 N

Explanation:

hope it helps

Weight of the boy = Mass of the boy × g

= 60 × 9.8

= 588kgm/s²

= 588N

As a pure element the oxidation number of zinc is ________, but in compounds such as ZnCO3 its oxidation number is ________. Group of answer choices

Answers

Answer:

0, +2

Explanation:

As a pure element, any element or simple compound has an oxidation number of 0. This makes it a lot easier, and can be applied for almost any element or compound that uses one atom, like F2, O3, Zn, Fe, etc. However, in compounds, Zinc's oxidation number tends to be +2, and this is just a rule that I memorized when I learned this topic. Please let me know if you still need help and I hope you understood!

As a pure element, the oxidation number of zinc is zero, but in compounds such as  [tex]ZnCO_3\\[/tex] its oxidation number is +2.

What is the oxidation number?

Oxidation number also called oxidation state, is the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.

As a pure element, any element or simple compound has an oxidation number of 0. This makes it a lot easier and can be applied for almost any element or compound that uses one atom, like [tex]F_2[/tex], [tex]O_3[/tex], Zn, Fe, etc.

However, in compounds, Zinc's oxidation number tends to be +2.

Learn more about the oxidation number here:

https://brainly.com/question/10079361

#SPJ2

How many moles of atoms does H2O

Answers

3 atoms, so there are approximately 1.8 x 1024 atoms in a mole of water.

How to identify polar molecules

Answers

Answer:

Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out

Explanation:

Pleaseeeeeeee Help ASAP!!

Answers

Formula of xenon trioxide = XeO3

Relative atomic mass: Xe = 131.29, O = 16

Question 1

number of moles = mass / molar mass

n of XeO3 = 9.07 / 131.29 + 3(16)

= 0.05059 mol

number of moles = number of particle / Alvagadro's constant

0.05059 = number of molecule / 6.02 x 10²³

number of molecules = 3.046 x 10²²

Question 2

number of moles = number of particle / Alvagadro's constant

number of moles = 3.22 x 10²² / 6.02 x 10²³

number of moles = 0.05349 mol

number of moles = mass / molar mass

0.05349 = mass / 131.29 + 3(16)

mass = 9.590g

The bottle slides down the hill and is moving at a velocity of 14 meters/second the instant it hits the ground. The vertical height from where Jeff dropped the bottle is meters. Ignore friction, and use , PE = m × g × h, and g = 9.8 m/s2.

Answers

Answer:

10 m

Explanation:

From the question given above, the following data were obtained:

Velocity (v) = 14 m/s

Acceleration due to gravity (g) = 9.8 m/s²

Height (h) =?

Next, we shall determine the energy. This can be obtained as follow:

Velocity (v) = 14 m/s

Kinetic Energy (KE) =?

KE = ½mv²

KE = ½ × m × 14²

KE = ½ × m × 196

KE = m × 98

Finally, we shall determine the height. This can be obtained as follow:

Kinetic energy (KE) = m × 98

Acceleration due to gravity (g) = 9.8 m/s²

Height (h) =?

Since the object is falling from a particular height,

Potential energy (PE) = kinetic energy (KE)

PE = mgh

KE = m × 98

m × 9.8 × h = m × 98

Divide both side by m × 9.8

h = m × 98 / m × 9.8

h = 10 m

Thus, the bottle was dropped from a height of 10 m

Give reasons: a) Cocoons are boiled in hot water. b) Camel wool considered a natural health product.

Answers

Answer:

•cocoons are boiled in hot water for obtaining silk fibres from cocoons.

•camel wool considered a natural health product because it has excellent thermal proities

True or false, If an atom is charged negative, it contains more electrons than protons.

Answers

False, it would contain more protons than electrons because of the negative charge

Answer:

True

Explanation:

An atom would carry more protons if positively charged, an equal amount of both protons and electrons if neutral, and more electrons if charged negative.

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