Chemistry Middle School

You have a substance with a length of 2 cm, width of 3 cm, and a height of 4 cm. Its density is known to be .5 g/cm3. What is the mass of the sample you have?

Answers

Answer 1

Explanation:

They are related by the the density triangle.

Explanation:

They are related by the the density triangle.

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d =

m = d×V

V =

DENSITY

Density is defined as mass per unit volume.

d =

Example:

A brick of salt measuring 10.0 cm x 10.0 cm x 2.00 cm has a mass of 433 g. What is its density?

Step 1: Calculate the volume

V = lwh = 10.0 cm × 10.0 cm × 2.00 cm = 200 cm³

Step 2: Calculate the density

d =

433

200

= 2.16 g/cm³

MASS

d =

We can rearrange this to get the expression for the mass.

m = d×V

Example:

If 500 mL of a liquid has a density of 1.11 g/mL, what is its mass?

m = d×V = 500 mL ×

1.11

= 555 g

VOLUME

d =

We can rearrange this to get the expression for the volume.

V =

Example:

What is the volume of a bar of gold that has a mass of 14.83 kg. The density of gold is 19.32 g/cm³.

Step 1: Convert kilograms to grams.

14.83 kg ×

1000

= 14 830 g

Step 2: Calculate the volume.

V =

= 14 830 g ×

19.32

= 767.6 cm³

Related Questions

Write an equation for the reaction that takes place in a luminous flame assuming the laboratory gas is Butane

Answers

Answer:

Fire's basic combustion equation is: fuel + oxygen —> carbon dioxide + water, a line many of us had drummed into us by school teachers. However, combustion reactions do not proceed directly from oxygen to carbon dioxide.

Explanation:

The equation for luminous flame assuming the laboratory gas is butane is fuel + oxygen → [tex]CO_{2} + H_{2}O[/tex].

What is butane?

Natural gas, the source of butane, would be a colorless, odorless, but also shapeless gas by nature. This kind of gas is extremely prevalent throughout the world and seems to be comparatively cheap to mine as well as produce.

What is a luminous flame?

A burning flame that is clearly seen would be called a luminous flame.

When fuel is reacted with oxygen gas then it will form carbon dioxide and water. It can be written as:

fuel + oxygen → [tex]CO_{2} + H_{2}O[/tex].

To know more about luminous flame and butane

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You will observe the orbits and you have to determine how many planets are in the habitable zone and how many are orbiting successfully. Based on the mass of the star and the placements of the planets, planets may swerve into the star and vanish, collide with each other and vanish, float out of orbit, or all orbit successfully. You will record this information and each planet's orbit in your data table for each trial. If the mass of the sun is 1x, planets will fall into the habitable zone if I place a planet in orbits (Orbit=1,2,3,4,5,6,7,8), and all planets will orbit the sun successfully.
If the mass of the sun is 2x, planets will fall into the habitable zone if I place a planet in orbits (Orbit=1,2,3,4,5,6,7,8), and all planets will orbit the sun successfully.
If the mass of the sun is 3x, planets will fall into the habitable zone if I place a planet in orbits (Orbit=1,2,3,4,5,6,7,8), and all planets will orbit the sun successfully.

Answers

Answer:t of orbit, or all orbit successfully. You will record this information and each planet's orbit in your data table for each trial. If the mass of the sun is 1x, planets will fall into the habitable zone if I place a planet in orbits (Orbit=1,2,3,4,5,6,7,8), and all planets will orbit the sun successfully.

If the mass of the sun is 2x, planets will fall into the habitable zone if I place a planet in orbits (Orbit=1,2,3,4,5,6,7,8), and all planets will orbit the sun successfully.

If the mass of the sun is 3x, planets will fall into the habitable zo

Explanation:

fill in the blanks: label the different parts of the rock cycle where igneous, sedimentary, and metamorphic rock are formed.

Answers

Answer:

☞rock cycle

=> The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions.

=> There are three main kinds of rocks: igneous rock, metamorphic rock, and sedimentary rock. ... It can erode into sediment or melt into magma. It is formed under extreme pressure and temperature deep inside mountain chains.

Explanation:

Please Help me (I'll give brainlest) (LIMITED)

Answers

Answer: A) inherited traits

Explanation: theses are all traits that plants can inherit from its parents

inherited traits! it's all in the genes

A patient comes to the doctors office complaining of gas. Which active ingredients is the physician most likely to recommend for the patient complaints?

Answers

the active ingredient of Simethicone for the patient's complaints.

Imagine that you are in charge of helping a town named
Greenville choose the form of energy best suited to the
needs and preferences of its citizens. Use this information
to help you make a decision:
• The people of Greenville want to reduce their reliance
on coal for electricity
• Greenville is located far from any coastlines.
• Greenville has a large amount of productive farmland.
• Greenville weather is calm for much of the year.
Which form of energy would best suit Greenville's needs and preferences?
A. Natural gas
B. Biomass
ОООО
C. Tidal power
OD. Wind power
SUBMIT

Answers

Answer:

Biomas is the answer

I am sure about it

just go for it

D or B probably the only possibilities

please right a lot if you can thanks

Answers

Answer:

The terrarium model shows the many different aspects of life. The dirt shows the geosphere, which is the ground thaat the plant can grow in. The biosphere is represented by the plant growing, and the hydrosphere is the water that you use to water the plant, and the condensation that will gather on the lid. The atmosphere is the air inside the jar.

Explanation:

Each of the above show how the environment works.

I’m only answering for them points thank you my guy

What are some of the benefits of hydropower? select all that apply

Select 3 correct answer(s)
Question 2 options:

It can also provide flood control and water supply

It is renewable and reliable

It can prevent fish from swimming upstream

It reduces the amount of carbon dioxide released into the atmosphere during energy production

Answers

Answer: It can provide flood control and water supply. It is renewable and reliable. It reduces the amount of carbon dioxide released into the atmosphere during energy production. I believe these are the answers.

hi! i believe the answers are A, B, & D. hope this helps :)

A sample of a pure substance with a density of 3 g/mL is separated into two pieces. One piece has a mass of 50 g and the other piece has a mass of 25 g.
What is the volume of the smaller one?

Answers

Answer:

8.3ml

Explanation:

to get volume u have to divide 25g over the density, i rounded to the nearest tenth, if you don't want to then write out the full number with all the decimals

Which statement best defines the center of an atom and what it is made of?

The center of an atom is the electron, and it is made up of protons.

The center of an atom is the nucleus, and it is made up of protons and neutrons.

The center of an atom is the proton, and it is made up of electrons and neutrons.

The center of an atom is the nucleus, and it is made up of charges.

Answers

The center is made of electrons and surrounded by protons

In which of the following places would you MOST likely an organism classified in the domain Archaea?
A.On human skin
B.On sea ice in Antarctica
C.In the field of a wheat farm
D.In a river flowing through a valley

Answers

B it is the lone one that makes since

The corrrect answer is B , On sea ice in Antarctica , it is most likely to find Archaea domain .

What is an Archaea Domain ?

These domain include microorganisms that can survive in the most extreme environments , these are classified in Eukaryota, Eubacteria, and Archaebacteria .

On the basis of research it has been found that many of the Archaea domains have been found on the surface water in cold marine environments .

Therefore it is most likely that Archaea domain to be found on sea ice in Antarctica. Hence correct answer is B .

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Weather fronts tend to produce changes in the weather

True
False

Answers

When a weather front passes over an area, it means a change in the weather.

TRUE

Answer:

True

Explanation:

Help asap! if u answer correct Ill give brainliest!!

Answers

Answer:

I believe it means The universe will exploder or The universe is expanding

Explanation:

Sam and Shania are doing an experiment with water and salt water.

What type of data might be collected for this experiment?
a.
how much salt is in the water

b.
how quickly the water in each beaker comes to a boil

c.
the temperature of the water

d.
how quickly the water evaporates

Answers

A would be the best

B. How quickly the water in each beaker comes to a boil

A sample of a pure substance with a density of 3 g/mL is separated into two pieces. One piece has a mass of 50 g and the other piece has a mass of 25 g.
What is the density of the larger piece?

Answers

Answer: The two pieces have the same density of 3g/mL.

Explanation: the density won't change based on the size or amount of the substance. the density is pre-set (for every X there is y weight, this is always constant).

YOur teacher asks you to write a paper tht supports a claim with evidence. In three to five sentences, describe one claim you would make and discuss different forms of evidence you can collect to support your claim. Where would you look for this evidence?

PLEASE HELP

Answers

Answer:

People should fund the nations space program. People have a insatiable curiosity about space. "Curiosity inspired Galileo's work." The Space Program has made vital changes in science and technology. "We have GPS devices and "memory foam" and have learned about Earth."

Explanation:

I actually am just learning about this so I took this from an assignment I did in class and at the teachers table. I could give you the passage if you'd like.

You have a sample with a volume of 55.7 mL and a mass of 67.9 g. Will this sample float in water? Why or why not?

Answers

Answer:

No it will not

Explanation:

It will not float because the density is 1.21903052065, it needs to be less than 1 to float

Answer fast and correct!

Answers

Answer:

A. Provide both heat and power to homes

The answer is the first one provide both heat and power to homes

Only answer if you know 100% its correct. this means if your'e NOT sure, don't answer.

Answers

Answer:

D. recycling aluminum cans and glass bottles

Explanation:

it's the only one that makes sense because if its a short trip you should walk, you should use reusable bags, and turn off the water while brushing your teeth.

Hope this helps and have a wonderful day/night/afternoon

Answer:

d. recycling aluminum cans and bottles....

Explanation:

this helps to conserve the materials needed to make those objects, which can then be used to make something else...

Hope this helps!

-heyo

PLEASE HELP I'LL MARK BRAINLIEST

11.
(06.03 MC)

Two positions of the sun, moon, and Earth are described below:

Position A: Moon and sun are at right angles to each other relative to Earth
Position B: Moon is between the sun and Earth

Which statement is true regarding the type of tides that can occur? (1 point)
A neap tide can occur for position A but not for position B.
A spring tide can occur for position A but not for position B.
A spring tide can occur for both position A and position B.
A neap tide can occur for both position A and position B.

THERE'S NO PICTURE SORRY

Answers