If you have 45.6mL of a liquid and its
mass is measured at 46.83g, what is its
density? What liquid is it?

Answers

Answer 1
The density of the liquid is 1.027g/cm³

D=M/V
D=46.83/45.6
D=1.027g/cm³

Related Questions

How many sig figs does 0.00002 have?

Answers

5 sig figs! count everything after the decimal

is adding hydrochloric acid to milk a physical or chemical change?

Answers

answer: operating machines they are easy to handle

PLEASE HELP I HAVE THIS TEST TOMORROW AM GIVING MORE POINTS THAN I SHOULD

When 33 g of CaO and 10 g of H20 react, 2 g of Cao remain unreacted. What is the mass of calcium hydroxide produced? ​

Answers

Answer:

41.11 g of Ca(OH)2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

CaO + H2O —> Ca(OH)2

Next, we shall determine the masses of CaO and H2O that reacted and the mass of Ca(OH)2 produced from the balanced equation. This can be obtained as follow:

Molar mass of CaO = 40 + 16 = 56 g/mol

Mass of CaO from the balanced equation = 1 × 56 = 56 g

Molar mass of H2O = (2x1) + 16

= 2 + 16

= 18 g/mol

Mass of H2O from the balanced equation = 1 × 18 = 18 g

Molar mass of Ca(OH)2 = 40 + 2(16 + 1)

= 40 + 2(17)

= 40 + 34

= 74 g/mol

Mass of Ca(OH)2 from the balanced equation = 1 × 74 = 74 g

From the balanced equation above,

56 g of CaO reacted with 18 g of H2O to produce 74 g of Ca(OH)2.

Finally, we obtained the mass of calcium hydroxide, Ca(OH)2 produced from the reaction of 33 g of CaO and 10 g of H2O. This can be obtained as follow:

From the question given above, we were told that when 33 g of CaO and 10 g of H2O reacted, 2 g of CaO were remaining. This implies that H2O is the limiting reactant and CaO is the excess reactant.

Thus, we shall use the limiting reactant to determine the mass of calcium hydroxide, Ca(OH)2 produced because it will give the maximum yield as all of it is consumed in the reaction.

The limiting reactant is H2O and the mass of calcium hydroxide, Ca(OH)2 produced can be obtained as follow:

From the balanced equation above,

18 g of H2O reacted to produce 74 g of Ca(OH)2.

Therefore, 10 g of H2O will react to produce = (10 × 74)/18 = 41.11 g of Ca(OH)2.

Therefore, 41.11 g of Ca(OH)2 were obtained from the reaction.

Which feature of a hypothesis leads to a new experiment?

a basis on research
a dependency on prior knowledge
a possible explanation
an ability to be tested

Answers

Answer:

d

Explanation:

The feature of a hypothesis leads to a new experiment is an ability to be tested and the correct option is option 4.

A hypothesis is a proposed explanation or prediction for a phenomenon or observation. It is a tentative statement that can be tested through experimentation or further investigation.

A hypothesis is typically based on prior knowledge, research, and observations, and it serves as a starting point for scientific inquiry. It is a crucial step in the scientific method and provides a framework for designing experiments to gather evidence and support or refute the hypothesis.

A well-formed hypothesis should be clear, specific, and testable, allowing for the collection of data and analysis to draw conclusions about the validity of the proposed explanation.

Thus, the ideal selection is option 4.

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A liquid that occupies a volume of 9.0 L has a mass of 7.2 kg. What is the density of the liquid in kg/L

Answers

Answer:

Density = 0.8 kg/L

Explanation:

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

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

From the question

mass = 7.2 kg

volume = 9.0 L

Substitute the values into the above formula and solve for the density

That's

[tex]Density = \frac{7.2}{9} [/tex]

We have the final answer as

Density = 0.8 kg/L

Hope this helps you

What's 1.02 x 10^2 in standard notation?

Answers


Because the exponent in the 10s term is positive move the decimal point 4 places to the right:
1.2 ×104 =12,000

You find two containers on a chemical shelf, one labeled Cu2O(s) and a second labeled CuO(s). Are these substances the same or different explain.

Answers

Given :

Two chemicals [tex]Cu_2O(s)[/tex] and [tex]CuO(s)[/tex] .

To Find :

Are these substances same or different explain.

Solution :

It might seem that the difference is none because the atoms used in the molecules are same but in different proportion .

But , their is a lot of difference between them .

The change in configuration impacts a lot in physical as well as chemical properties .

For ex :

[tex]Cu_2O[/tex] is red powder while [tex]CuO[/tex] is black powder .

[tex]Cu_2O[/tex] is fungicide while [tex]CuO[/tex] is used in batteries .

Hence , this the required solution .

Which of the following phases of matter gives off light?
A. Liquid B. Plasma
C. Gas
D. Solid

Answers

Answer:

b.plasma

Explanation:

they jump in a exited energy level and by doing that they give off light

Answer:

b

Explanation:

its plasma

Identify the pictures that contain molecules.

Answers

the one that contains molecule's is  the tope one

Really hope this helped :)

Answer:

the answer I sthe first one .


please help asap !!!!

identify the values that should be tested to see if a change occurs

x - values

y - values

z - values

h - values

Answers

Answer:

I think that it is A. x - values

State two example of how engineers use their knowledge of atoms to create new technologies?( I am giving you high points for this give a good answer And I will give you brainliest)​

Answers

The correct answer to this open question is the following.

Two examples of how engineers use their knowledge of atoms to create new technologies would be the following.

1.- Engineers can develop new medicines for chronic diseases when they use their knowledge about atoms. With new technologies and different scientific approaches, this new molecular medicine can be more effective in the treatment of terrible diseases that affect humans. The challenge lies in how to make these new medicines more affordable to all kinds of people, not only rich people.

2.- Engineers can also apply their knowledge about atoms to improve the water conditions so more people can have freshwater. Engineers that specialize in the environment can research the properties of water molecules and atoms, so they can develop new ways to purify and improve the quality of water, that we know that water scarcity is a major problem in many parts of the world.

A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density? Answer in g/mL.

Answers

Answer:

The answer is

2.7 g/mL

Explanation:

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

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

From the question

mass of aluminum = 40.5 g

volume = 15 mL

Substitute the values into the above formula and solve for the density

We have

[tex]Density = \frac{40.5}{15} [/tex]

We have the final answer as

2.7 g/mL

Hope this helps you

who is allowed to go into a crime scene after its released?

Answers

Answer:

detectives, police officers and occasionaly lawyers/attorneys.

Explanation:

Non essential officers, judges, district attorney investigators, federal agents, victums, witnesses and politics are not permited to enter crime scenes unless they can provide information and history about the event.

A sample of xenon gas collected at a pressure of 948 mm Hg and a temperature of 283 K has a mass of 128 grams. What is the volume of the sample in Liters?

Answers

Answer:

V = 1.84 × 10³ L

Explanation:

You need to use the Ideal Gas Law and solve for volume.

PV = nRT

V = nRT/P

First, you need to convert the pressure to atm.

1 atm = 760 mm Hg

948/760 = 1.247 atm

Next, convert grams of xenon to moles.  The molar mass is 131.293 g/mol.

128/131.293 = 0.975 mol

You now have all of the values needed.

P = 1.247 atm

n = 0.975 mol

R = 8.314 J/mol*K

T = 283 K

Plug the values in and solve.

V = nRT/P

V = (0.975 × 8.314 × 283)/1.247

V = 1.84 × 10³ L

The volume of the sample will be 1.84 × 10³ L.

What is the relationship between molar mass in grams per mole (g/mol) and average atomic mass in amu of each element?

Answers

Answer:

The molar mass and atomic mass are essentially the same for an element

Explanation:

The molar mass of a substance can be obtained by dividing the mass of the substance by the no of moles of the substance present.

The atomic mass of an element is the number of protons and neutrons present in the substance.

These two measurements usually give the same values because they both make reference to the 1/12th the mass of carbon-12  for their measurement.

Because they both have the same reference point, though they have different calculating procedures, the results obtained will be similar.

Can somebody please describe in detail the difference between a chemical and physical change/reaction. Please provide examples and do as much as possible if you can. Will reward brainliest.

Answers

Answer

A chemical change happens when one chemical substance is transformed into one or more different substances, such as when iron becomes rust. Chemical changes occur through the process of chemical reactions, and the resulting substances have different properties because their atoms and molecules are arranged differently.

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds

Explanation:

PLEASE HELP Wendy and Michelle are trying to determine whether their ideas are scientific or pseudoscientific. Wendy's idea is based on experiments, and new observations can improve it. The experimental results of Michelle's idea cannot be verified.
Which statement is correct about Wendy and Michelle's idea?
Both ideas could be scientific.
Neither idea could be scientific.
Only Wendy's idea could be scientific.
Only Michelle's idea could be scientific.

Answers

Answer:

C

Explanation:

why is it important to know what things are made of

Answers

Answer:

Explanation:

Knowing what things are made of, especially in the case of a mixture whose constituents still retain there chemical properties, assists in knowing the beneficial and harmful effects of those things.

For a example, a body cream/lotion (a mixture) that contains hydroquinone will give an individual the idea that the body cream is a lightening cream; as hydroquinone is a depigmenting agent that reduces the production of melanin thereby leading to the lightening of the skin.

Another relevant example is the hand sanitizer that is recommended for use of cleaning of hands in order to rid the hands off of corona virus. The recommended hand sanitizer should be made of at least 60% ethanol for effective use (which dissolves the virus). Knowing the components of a sanitizer to be used against the virus will assist an individual at a store make informed decision about purchase.

What is 7.008 x 10^6 in standard form?

Answers

Answer:10

6

=

1000000

or a 1 with 6 zeroes.

Explanation:So

5

10

6

=

5000000

or five million.

Which of the following is NOT classified as matter?
rock
B.
steam
C.
air
D.
light

Answers

The answer should be D. Light
light because the 3 matters are solids liquids and gases

List 5 biotic factors inside of a classroom

Answers

Students in classroom

Explain why volume is an example of an extensive property and density an intensive property.​

Answers

Extensive property is dependent on mass. Intensive property is property that depends only on the type of matter rather than the amount. Hense, Volume is an example of Extensive property and Density is an example of Intensive property.

Hope this helps :)

How do you find the mass of an element or compound?

Answers

Answer:

[tex]147515[/tex]

no inglés sorry

Answer:

by addding up the the mass of protons and neutrons

The digit that would have to be estimated in reading this instrument would be the nearest:

A: 0.001 g
B:0.01 g
C: 0.1 g
D: 0.0001 g

Answers

Answer:C

Explanation:

.1 is secure

.01 is secure because shows the lines and can line it up.

.001 you can not tell for sure what the last digit it.

The digit that would have to be estimated in the reading given instrument is the nearest 0.1 g. Therefore, option (c) is correct.

What is the uncertainty in the measurements?

Uncertainty means the range of possible values within which the true or actual value of the lies. The term accuracy is commonly used to mean the difference between the actual or true value and a measured result. Since the actual value of a measurement is not known, the accuracy of a measurement is generally not known either.

Uncertainty is almost always to one significant digit. If the uncertainty starts with a one, then sometimes uncertainty to two significant digits. The experimental measurement always rounds to the same decimal place as the uncertainty.

The uncertainties have two components one is bias related to accuracy and the unavoidable random variation that takes place when doing repeated measurements which are related to precision.

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True or False? Mixtures always result in a chemical reaction because they consist of two or more substances thus combine to create a new product

Answers

Answer:

true

Explanation:

the sample of matter of air​

Answers

Air is a type of matter also known as gas. Other forms of matter are solids and liquids. Gas (air) can change its shape and volume.

Name a intensive and extensive property of iron

Answers

Answer: An extensive property is a property that depends on the amount of matter in a sample. Mass and volume are examples of extensive properties. ... Color, temperature, and solubility are examples of intensive properties.

Explanation:

An intensive property of iron is density while an extensive property of iron is mass.

WHAT ARE INTENSIVE AND EXTENSIVE PROPERTIES?

Intensive properties of a substance/element are those properties that do not depend on the amount of matter. Examples of intensive properties are density, boiling point, melting point etc.

Extensive properties are those properties that depend on the amount of matter in a substance. Examples are mass, weight, volume etc.

Regarding iron as an element, one intensive property it posseses is density while one extensive property is its mass.

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2.
Reflect polygon P using line l.
P

Answers

there is no photo , so I can’t really tell you the answer .

1. A teacher asks a student to give the number of protons, neutrons,
and electrons in an atom of fluorine.
a. Is this enough information to answer the question?
b. If it is, determine the number of p, nº, and eʻs.
c. If not, what other information is needed?​

Answers

B.if it is, determine the number of p,n,and e’s.

How can a mixture be separated into pure substances?

Answers

Answer:

mixture can be separated into pure substances by simple distillation

A mixture can be separated into pure substances with the utilization of several techniques of physical methods like simple distillation, centrifugation, sedimentation, etc.

What is the function of simple distillation?

Simple distillation may be defined as a type of separation technique that involves the separation of solvent from a solution. This technique is utilized for purifying the liquids that comprise either nonvolatile impurities such as sand, salt, and other very small amounts of particles.

Apart from simple distillation, evaporation is also used to eliminate water or any liquid substance from a mixture. It makes the solution or mixture dry with the absolute absence of water.

The Centrifugation technique is used to separate the particles on the basis of their size, shape, density, viscosity, and rotor speed.

Therefore, with the utilization of separation techniques, one can easily separate a mixture into pure substances.

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