A 5.0 milliliter sample of a substance has a mass of 12.5 grams. What is the mass of a 100 milliliter sample of the same substance?

Answers

Answer 1

Answer:

It sould be 250 grams

Explanation:

Answer 2

It is given that, 5 millimeter sample has the mass of 12.5 grams. Then, 100 millimeter sample have a mass of  250 g.

What is mass ?

Mass of a substance is a physical quantity that describes the total amount of the substance. Mass is an extensive property since it depends on the change in amount or quantity of the substance.

The SI unit of mass is grams (g). Other units are kilograms, milligrams , pounds etc. Mass is of small substance is expressed in grams and that bigger things are usually expressed in kilograms.

Given that mass of 5 ml sample = 12.5 grams

then mass of 1 ml = 12.5/5 = 2.5 g

then mass of 100 ml = 2.5 × 100 = 250 grams.

Therefore, the mass of 100 ml of the sample is 250 g.

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Related Questions

Please can I have help on question e as I’m really stuck.I promise I’ll give out brainiest

Answers

The relative atomic mass of element A : 6.075 u

Further explanation

The elements in nature have several types of isotopes

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

Mass atom X = mass isotope 1 . % + mass isotope 2.% ...

Element A

mass number of isotope 1 = 6 , percent : 92.5%

mass number of isotope 2 = 7, percent : 7.5

Relative atomic mass of element A

[tex]\tt = 92.5\%\times 6+7.5\%\times 7\\\\=5.55+0.525=6.075~u[/tex]

In order for a gas to condense to a liquid, the attraction between its molecules _____.

Answers

Answer:

._______.

Explanation:

Explanation:

The forces of attraction between one individual molecule and another. ... Gas phase molecules will in turn condense. ... The vapor pressure of a molecular substance depends on the strength of its ... If the external pressure on a liquid is increased, the vapor pressure of the liquid must___ in order for the liquid to boil.

What’s this called

Please ASAP

Answers

Answer:

carbon dioxide CO[tex]{2}[/tex]

Explanation:

Double Polar Covalent bonds with CO2

Explanation:

Keep in mind that CO2 is a nonpolar molecule

How do I find the number of atoms using a chemical formula? ex: 4 HNO3

Answers

you should

MOL × NA(Avogadro Constant)

Mol = 4

HNO3 = 5 Atome ( 1H + 1N + 3O)

NA = 6.02 × 10* ( * = 23)

[tex]4 \times 5 \times 6.02 \times {10}^{23} = 20 \times 6.02 \times {10}^{23} = 120.4 \times {10}^{23}atom [/tex]

Answer:

2.408 x 10^24

GREETINGS!

One mole of a substance is equal to 6.02 × 10²³ units of that substance. The number 6.022 × 10²³ is known as Avogadro's number.

so if one mole of molecule is equal to that number so,

                              for 4 moles of [tex]HNO_{3}[/tex]= 4 x ([tex]6.02x10^{23}[/tex])

so answer is,

                      2.408 x 10^24

HOPE IT HELPS YOU.

A roller coaster with a mass of 20kg sits at the top of a 30 m high hill. What is the Potential energy of the roller coaster?
(Formula: PE=mgh)
(g= 9.8m/s)

Answers

Answer:

The answer is 5880 J

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

We have

PE = 20 × 30 × 9.8

We have the final answer as

5880 J

Hope this helps you

A does not change the substance into anything new

Answers

Answer:

Physical changes only change the appearance of a substance, not

chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Explanation:

WILL GIVE BRAINLIEST

12) The chemical formula for phosphorus trichloride is PCl3. In one to two sentences, explain how you would build a ball-and-stick model of phosphorus trichloride. Include a description of the parts of the model.(2 points)

13) Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the chemical equation. A scientist adds 4 grams of Cu to 2 grams of S to start the reaction. At the end of the experiment, she has 6 grams of product. In one to two sentences, explain what would happen if the scientist increased the amount of copper to 6 grams, and why. (1 point)

Answers

Answer:

12) In the ball and stick model, an orange ball representing the phosphorus atom and three green balls representing chlorine atoms are connected by means of sticks that are coloured halfway green and orange respectively to represent the shared electrons between phosphorus and chlorine with the chlorine atoms forming the base of a triangular pyramid while the phosphorus atom forms the top of the pyramid.

13) The scientist will have 6 grams of product as before but will have two grams of unreacted copper atoms because the mass ratio of copper to sulfur in this reaction is 2:1

Explanation:

12) Phosphorus trichloride has a trigonal pyramidal structure and is composed of three atoms of chlorine and one atom of phosphorus.

In the ball and stick model, an orange ball representing the phosphorus atom and three green balls representing chlorine atoms are connected by means of sticks that are coloured halfway green and orange respectively to represent the shared electrons between phosphorus and chlorine with the chlorine atoms forming the base of a triangular pyramid while the phosphorus atom forms the top of the pyramid.

13) The reaction between copper and sulfur to form copper sulfide is shown in the equation below:

Cu + S ---> CuS

1 mole of copper reacts with 1 mole of sulfur to produce 1 mole of copper sulfide

molar mass of copper = 64 g/mol; molar mass of sulfur = 32 g/mol, molar mass of copper sulfide = 96 g/mol

mass ratio of copper to sulfur = 63 g/ 34 g = 2

This means that 2 grams of copper will react with 1 g of sulfur to produce 3 grams of product. similarly, 4 g of copper will react with 2 g of sulfur to produce 6 grams of product.

Therefore 6 g of of copper will react with 3 g of sulfur. However, since the amount of sulfur available for reaction is 2 g only, 2 g of copper will be left unreacted after 4 g has reacted completely with 2 g of sulfur to produce 6 g of copper sulfide.


Prototypes are used to
a. communicate a solution.
b. test the operation of a product.
c. identify a need.
d research a problem.

Answers

Answer:

Test the operation of the product

Explanation:

Answer: B I think.

Explanation: the definition of prototype is
As a verb
“make a prototype of (a product).”
Or noun
“a first, typical or preliminary model of something, especially a machine, from which other forms are developed or copied.”

Two examples of silicate minerals are

Answers

Answer:

who know

Explanation:

look it up on google that’s how i get my answers :)

Suppose the moon orbited the earth just half as fast as it does now.
How many high tides would any one area have in one day?
A-3
B-2
C-1
D-4

Answers

The correct answer is:

-2

Answer:

Explanation: The correct answer is 1. Do not put 2 .

1. Matter that is composed of two or more different
elements chemically combined in a fixed proportion
is classified as
A) a compound
C) a mixture
B) an isotope
D) a solution

Answers

It’s A: a compound I hope u doing well on ur hw

What are 3 common household items that you can identify 2 chemical properties if the item

Answers

Answer:

vacuum

Explanation:

because the government to take a look at the end of the day it was do people I


What are the things to consider in classifying the different kinds of mixture?

Answers

Answer:

Whether the mixture can be separated

when heat is added to a substance describe how the molecules are affected?

Answers

Answer:

the molecules and atoms start to vibrate faster so basically the object starts to expand because the space between atoms increases :)

Name the laws for 1,2, and 3

Answers

Answer:

1. Boyle's law

2. Charle's law

3. Ideal Gas law

Explanation:

:
Core is to Hot Iron AS Mantle is to:
A. Rigid Crust
B. Fragile Crust
C. Hard Rocks
D. Molten Rock
.

Answers

Rigid crust perhaps

A 10.04-g block of solid tin at 14.77 °C is immersed in a 24.11-g pool of liquid ethylene glycol with a temperature of 63.52 °C. When thermal equilibrium is reached, what is the temperature of the tin and ethylene glycol? Specific heat capacities: tin = 0.213 J/g °C; ethylene glycol = 2.36 J/g °C

Answers

Answer:

61.75 °C

Explanation:

According to the law of conservation of energy,

Qtin = - (Qliquid)

(m×c×∆T)tin = -(m×c×∆T) ethylene glycol

Where; m = mass

c = specific heat capacity

∆T = change in temperature

According to the information given in this question;

For tin: m= 10.04g, c= 0.213 J/g °C, initial temperature= 14.77 °C, final temperature=?

For ethylene glycol: m= 24.11g, c= 2.36 J/g °C, initial temperature= 63.52 °C, final temperature=?

Hence; (m×c×∆T)tin = -(m×c×∆T) ethylene glycol

10.04 × 0.213 × (T - 14.77) = - {24.11 × 2.36 × (T - 63.52)}

2.139 (T - 14.77) = - {56.899 (T - 63.52)}

2.139T - 31.59 = -56.899T + 3614.225

2.139T + 56.899T = 31.59 + 3614.225

59.038T = 3645.815

T = 3645.815/59.038

T = 61.75 °C

The final temperature of tin and ethylene glycol is 61.75 °C

if atoms are made up of mostly space, why do objects feel like they are mostly solid ​

Answers

Answer:

dont question the world kid

Explanation:

How many H2O particles are in 6 moles of water?

Answers

Answer:

Thus, for example, one mole of water contains 6.02214076×1023 molecules, whose total mass is about 18.015 grams – and the mean mass of one molecule of water is about 18.015 daltons.

Explanation:

the graph below shows the effect of temperature the volume of gas

Which generalization can be made about the relationship between the temperature and volume of a gas?

A. As the temperature of a gas increases, its volume increases.

B. As the temperature of a gas decreases, its volume increases.

C. As the temperature of gas decreases, its volume stays the same.

D. As the temperature of a gas increases, its volume stays the same.

Answers

Answer:

as the temperature of gas increases, its volume stays the same

Explanation:

Answer:

A! :)

Explanation:

Cone shaped mountains form as a result of which one of these events?

Answers

Answer:

Volcanic Eruptions

Explanation:

It says in the question

they are a form of volcanic eruptions

equatinal by elimination melha
8n-3y = 18 and5x+6y=27

Answers

Answer:

x = 3 and y= 2

Explanation:

Given equations:

           8x - 3y  = 18  - ---- (I)

           5x + 6y = 27 -------(II)

Solve this problem by elimination;

  In the elimination method, we simply find a common term that can make one of the variables in the two equation the same. Then we either add or subtract to remove the variable.

 Mulitply equation (i) by 5 to give equation III

 Mulitply equation (II) by 8 to give equation IV

     5(8x - 3y) = 5(18) ------- III

     8(5x + 6y) = 8(27) ------- IV

   40x - 15y = 90------- III

   40x + 48y = 216  ------- IV

Subtract  equation III and IV;

        -15y - 48y = 90 - 216

         - 63y = -126

                y = 2

Solve for x;

      40x - 15y = 90;

       40x - 15(2) = 90

         40x - 30 = 90

           40x = 90 + 30

              40x = 120

                 x = 3

What is a system?
A. An isolated piece of the world
OB. A liquid in which reactions take place
O C. A piece of scientific equipment
O D. A technique for recording data

Answers

Answer:

D. a technique of recording data

Which of the following wave types must have a medium to travel?
A. Ultraviolet light
B. Microwaves
C. Seismic (earthquake) waves
D. Radio waves
E. X rays

Answers

Answer:

it is B

Explanation:

Answer: B microwaves

why can dogs not eat chocolate

Answers

it’s poisonous to them :(((

What is the effect of tap water, sea water, and rainwater on the rusting rate of iron?
(Please i need an answer π-π) ​

Answers

Answer:

The more acidic the solution the faster it rusts. More Na = more rust

Explanation:

A mixture is made of two or more materials that
A. can be separated by physical means.
В.
cannot be separated by physical means.
C.
cannot be separated by any means.
D
can only be separated by chemical means.

Answers

Answer:

A. can be separated by physical means.

Explanation:

A mixture is when two different materials are put in the same container and no reaction occurs.

Write the chemical symbols for three different atoms or atomic cations with 26 electrons.

Answers

A neutral iron atom (Fe)

Mn-1 (a manganese that has gained one electron)

Co+1 (a cobalt that has lost on electrons)

All three of these atoms/ions are isoelectronic, meaning that they all have the same number of electrons!

The chemical symbols for three different atoms or atomic cations with 26 electrons are Fe, [tex]Co^+[/tex], [tex]Ni^{2+}[/tex]

Explanation:

The atomic number of an atom is equal to the number of protonsAn atom is neutral, it has an equal number of electrons and protons.Element with atomic number 26 is Iron, Fe.A neutral atom of iron has an equal number of protons and electrons.Cobalt has an atomic number of 27.A neutral atom of cobalt has an equal number of protons and electrons.Cobalt has 27 electrons and by losing one electron it will form a cobalt (I) ion with 26 electrons.The cobalt (I) ion has 26 electrons, [tex]Co^+[/tex].Nickel has an atomic number of 28.A neutral atom of nickel has an equal number of protons and electrons.Nickel has 28 electrons and by losing two electrons it will form a nickel(II) ion with 26 electrons.The nickel (II) ion has 26 electrons,[tex]Ni^{2+}[/tex].

So, from this, we can write chemical symbols for three different atoms or atomic cations with 26 electrons are Fe, [tex]Co^+[/tex], [tex]Ni^{2+}[/tex].

Learn more about ions here:

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A large marble is dropped in a graduated cylinder with 45 mL of water in it. The water level increased to 61 mL. What is the volume of the marble?​

Answers

Answer:

Volume of the marble is 16 ml.

Initial volume present in graduated cylinder=45 ml.

Final volume in graduated cylinder after marble is dropped=61 ml.

Volume of water displaced=volume displaced by marble.

Volume displaced by marble=final volume in cylinder-initial volume in cylinder

Volume displaced=61ml-45ml=16ml

So volume of marble=16ml.

Answer:

16mL

Explanation:

What is hydrochloride acid plus water plus salt and water

Answers

ANSWER:

It is called Caffeine Hydrochloride.
Formula: HC8H10N4O2Cl
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