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An experiment was conducted to find the mass of one mole of carbon atoms. The results of the experiment showed that a mole of carbon atoms had a mass of 15.78 g. The accepted value of a mole of carbon atoms is 16.00 grams. What is the percent error in this experiment?

Answers

Answer 1

Answer:

1.375%

Explanation:

Percent Error = measured value - accepted value/ accepted value x 100

Measured Value: 15.78

Accepted Value: 16.00

Work:

[tex]\frac{15.78-16.00}{16.00}[/tex] * 100

[tex]\frac{-.22}{16}[/tex] * 100 = -1.375

You cannot have a negative percentage. Therefore the answer is 1.375%


Related Questions

The anther of flower contains​

Answers

Answer:

here is your answer please mark me as brainlist

Explanation:

Answer # Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther. Anther: The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma.

Which of these can be described as a system of stars, gases, dust, and other matter that orbits a common center of gravity?
A.) nebula
B.) asteroid
C.) galaxy
D.) planet

Answers

The answer would be C. Galaxy.

The galaxy is defined as a system of stars, gases, dust, and other matter that orbits a common center of gravity. Thus the correct option is C.

What is a galaxy?

A galaxy is generally defined as the massive collection of billions of stars with their solar systems, gas and dust all guarded together by the center of gravity.

It is in the planet earth which is the part of our solar system we all live. The solar system is found to be the part of the galaxy called Milky Way. Our milky way galaxy also contains a supermassive black hole in the center.

There are several types of galaxies which are present in different shapes. Some of them are found to be in spiral shape and some other galaxies are seen as oval shaped and they are known as elliptical galaxies.

There are also some galaxies with irregular shapes and they are seen as blobs. It is the stars that are present inside each galaxies produces light and this massive system comprising of stars, dust gases and the matter are held by the gravity.

Thus the correct option is C- galaxy.

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What is the formula for potassium nitrate?

Answers

It depends on which manner the formulae is being asked but the answer is: KNO3

Question 4
These are the uncharged particle located in the nucleus. The number of these tha
atom has is equal to its mass number minus its atomic number.
1. Protons
2.Nuclei
3.Neutrons
4.Electrons

Answers

The answer is
3. Neutrons
I hope that helped. Good Luck!

Which of the following statements are not scientific hypotheses?

•Santa Claus exists.

The growth of corn in lowa depends on the amount of rain that falls.

•Theft is immoral.

•The bark of a specific tree is poisonous to mice

Answers

Answer:

.

Explanation:

1 and 3 aren’t a hypothesis

18 grams
4 kilograms
8 kilograms

Answers

Answer:

1 18 grams

2 500g

4 960 grams

5 7 kilograms

name two liquid fuels obtained from petroleum

Answers

Answer:

Diesel and kerosene.

Hope it helps :)

Answer:

Gasoline

Diesel

Kerosene

LPG

Rethanol

Ethanol

Butanol

Caves are formed by: i)solution ii)oxidation iii)carbonation iv)hydration​

Answers

Answer:

i think its oxidation

Explanation:

Which graph best shows an inverse relationship?

Answers

Answer:

b

Explanation:

just got done with this one

It’s b!!!!!!!!!!!!!!!!

My teacher gave this assignment for homework, and I don’t get it. A little help please?

Answers

County: cell

State: Tissue

Country: Organ

Continent: Organ system

World: organism

(smallest to largest)

1.0250 - 0.00063 =
O 1.02
1.0243
1.02437
DONE

Answers

Answer:1.0243

Explanation: I think that is it

The answer is B aka 1.0250 :)

HURRY I WILL GIVE BRAINLIEST Which would be a common-sense practice in a lab environment? keeping quiet about accidents washing hands before the lab taking a water bottle to drink scratching one’s face during the lab

Answers

Answer:

washing your hands before the lab

Yea I would agree that washing your hands before the lab is the correct answer. Since you may have germs or chemicals from products on your hands and it may contaminate the experiment.

2. How many kilometers are in 8432 meters?

Answers

Answer:

8.432 Kilometers

Explanation:

This is the answer because 1 kilometer equals to 1,000 meters:

1) Divide 8432 with 1,000

2) Once you divide, you will get 8.432 as your answer

Hope this helps!


What is the speed of a jet plane that flies 78500 km in 10.5 hours (in km/hr)?
Do not use decimal

Answers

S = d/t

S = 78500/10.5

S = 7,476 Knots

Which of these is a property of a substance that is composed of atoms that are held together by metallic bonds?
It has a low melting point.
It can be flattened and bent.
It cannot be shaped into wires.
It does not conduct electricity.

Answers

Answer:

B: it can be flattened and bent

Explanation:

Metals are malleable and can be flattened. Metals are ductile and can be deformed and bent.

Metals are bonded together by metallic bonds.

Hence a substance that is composed of atoms that are held together by metallic bonds can be flattened and bent.

The property of a substance that is composed of atoms that are held together by metallic bonds is  it can be flattened and bent

What is metallic bond ?

Metals are malleable, ductile substance can be deformed when it is bent down, theses are bonded by metallic bond and can be flattened.

The metallic bond is a force of attraction which is responsible for holding the atoms together,  releases electrons to achieve the configuration of a noble gas.

in this type of bonding all the atoms lose their electrons from their outermost layers that move more or less freely between them, forming an electronic cloud

The metallic bond is the exceptional bond where the electrons are not present exclusively between a pair of atoms, but these are relocated among millions of them  called as  "sea of ​​electrons"  by cohesive bond.

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standard units of measure for density

Answers

Answer:

g/cm³ for solids,

g/ml for liquids

g/L for gases.

Explanation:

Though SI unit of density is kg/m³, for convenience we use g/cm³ for solids, g/ml for liquids and g/L for gases. Mathematically, density is defined as mass divided by volume:   ρ=m/V    

Which event always involves a chemical change A boiling B melting C conducting D burning

Answers

The answer is Burning

Answer:

burning

Explanation:

When a chemical change occurs, the matter is transformed into a new substance. When a substance is burned, it will change into something new. Thus, you know that burning is a chemical change. All the other options are physical properties. The substances may change state, but they will not change identities.

- I took the quiz and got 100%

Hope this helps!

A Potassium isotope contains 19 protons, 19 electrons and 21 neutrons. What is its mass number? 40​

Answers

Answer:

17

Explanation:

you add 19+19 the subtract 21. I think

A  potassium isotope contains 19 protons, 19 electrons, and 21 neutrons, so the mass number is 40 as the mass number of the atom is the sum of the protons and the neutrons, the mass number is 40.

What is the significance of the mass number in the atom?

The mass number is significant as it is the sum of the number of protons and neutrons present in nucleus of an atom, which determines the atomic weight of an element and also determines its chemical properties and its position on the periodic table. Isotopes of an element have the same atomic number but a different mass number, so they have different properties than the original element.

Hence, a potassium isotope contains 19 protons, 19 electrons, and 21 neutrons, so the mass number is 40 as the mass number of the atom is the sum of the protons and the neutrons, the mass number is 40.

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How many seconds are in .079 years? (conversation factors)

Answers

Answer:

2491344 seconds

Explanation:

By the way Google has a conversion system just in case you want to use it. Just google time conversion. It also does other types of conversion like Volume and Weight.

Does modern industrial agriculture have a sustainable future?

Answers

Answer:

No. The aim of modern agriculture is to make a profit and be a continuing business not be sustainable to the planet. GMOs, pesticides, herbicides, monoculture, tillage, antibiotics

Explanation:

2. Heat is:
A. thermal energy
I B. infrared radiation
C kinetic energy
D. molecular movement.

Answers

A. Thermal energy good job
The answers will have to be A

And experiment a student measures the speed of a toy car locations K through N as it rolls down a ramp based on the data collected in the table exclusion was shown by the student that the unbalanced forces acting on the toy car affect its average speed what reasoning lead to the interpretation of this data and conclusion

Answers

Answer:

B) The average speed of the car increases as distance traveled increases.

Explanation:

The unbalanced forces acting on the toy car affect its average speed, The average speed of the car increases as distance traveled increases. Therefore, option A is correct.

What do you mean by an average speed ?

The term average speed is defined as the total distance traveled by the object in a particular time interval. The average speed is a scalar quantity. It is corresponded to the magnitude and does not have direction.

Average speed is calculated by dividing the total distance something travels by the total amount of time it spends traveling.

Average speed = Total distance covered / Total Time. The S.I. unit of speed is meter per second.

The unbalanced forces acting on the toy car impact its average speed, The average speed of the car increases as distance traveled increases.

Thus, option A is correct.

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Your question is incomplete, most probably your question was

And experiment a student measures the speed of a toy car locations K through N as it rolls down a ramp based on the data collected in the table exclusion was shown by the student that the unbalanced forces acting on the toy car affect its average speed what reasoning lead to the interpretation of this data and conclusion

A.The average speed of the car increases as distance traveled increases.

B.The average speed of the car decrease as distance traveled increases.

C.The average speed of the car decreases as distance traveled decreases.

D. The average speed of the car increases as distance traveled decreases.

Help me find the answer please

Which of the items shown here will protect you from a chemical burn? Select all that apply.

A hand in a rubber glove.
A fire extinguisher.
A pair of glasses with clear shields attached on the sides.
A power source.

Answers

Answer:1 & 2

Explanation:

Answer:

A. The rubber gloves and C. the protective glasses

Explanation:

I just answered this question and it was correct.

Hope this helps!!!!

Please mark my answer the Brainiest!!!!!!

Eva buys a package of food, and the nutrition label says that one serving is equal to 36 grams and has 110 Calories. However, the box is printed with a label that says 0.150 pounds. If Eva eats the whole package, how many Calories will she have consumed?

Answers

Answer:74844

Explanation:

Answer:

208

Explanation:

(110 calories × 68.04 grams) ÷ 36 grams

= 208 calories

Got it right on my assignment

Which of the following is NOT an extensive property?

Answers

Answer:

Density

Explanation:

It's an intensive property because it doesn't depend on mass

ANSWER ASAPP
What is a compound?

Answers

Answer:

a compound is a substance that contains atoms of two or more chemical elements held together by chemical bonds. any combination of two or more parts, aspects, etc. a word formed from two existing words or combining forms.

Explanation:

a substance that contains atoms of two or more chemical elements held together by chemical bonds. any combination of two or more parts, aspects, etc. a word formed from two existing words or combining forms.

Answer:

a thing that is composed of two or more separate elements/mixture !

i hope this helps !

A wind up toy that is wound up and moving

Answers

Answer:

A wind-up toy is wound up and moving across level ground. The toy is speeding up.

Explanation:

this will or should helpyou

how many bonds are broken during in CH4

Answers

There must be 4 bonds broken.

How do you know when a boy likes you? A. He talks to you a lot B. He is mean to you C. He hugs you a lot D. He tries to take your stuff from you

Answers

Answer:

I feel it would be C or D but more likely to be D

Explanation:

Answer:

I guess it is A he talks to u alot but boys are different so it could be each one u know?

How many significant figures are in 320001

Answers

there are 6. looked it up
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Notethat a CRC is not a checksum.