True/False: Units for gas density are grams/L

Answers

Answer 1

Answer:

false

Explanation:

Answer 2
I believe it’s false. Please correct me if I’m wrong!

Related Questions

If N gains two electrons, which of the following elements would it be isoelectronic with
A) C
B) S
C) B
D) F

Answers

Answer: it’s D

yup!:)

If nitrogen gains two electrons, it becomes isoelectronic with fluorine.

There are five electrons on the outermost shell of nitrogen and a total of seven electrons in the atom. Recall that isoelectronic species are species that have the same number of electrons.

Fluorine is an element in group seventeen. There are nine electrons in fluorine. If nitrogen gains two electrons, it becomes isoelectronic with fluorine.

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A rock mass is 100g. Determine the density of the rock if it has a volume of 20cm3.

Answers

Answer:

The answer is 5.0 g/cm³

Explanation:

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

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

From the question

mass = 100 g

volume = 20 cm³

We have

[tex]density = \frac{100}{20} = \frac{10}{2} \\ [/tex]

We have the final answer as

5.0 g/cm³

Hope this helps you

What is the amount of mass in each given unit of volume?

Answers

Answer:

Each volumn is different and therefore has a specific and unique mass.

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Answers

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What is an atomic theory?


What is an isotope?


How is the atomic mass of an element calculated?

Answers

Answer:

Atomic theory is the scientific theory that matter is composed of particles called atoms.

isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.

to calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons.

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Explanation:

Aquanauts explore the area called?

Answers

Answer:

Inner space

Explanation:

I hope this helps

Which change would increase the pressure exerted by a gas?
removing gas molecules from the container
transferring the gas to a larger container
raising the temperature of the gas
reducing the force of the molecules hitting the container

Answers

Answer:

C - raising the temperature of a gas

Explanation:

as you raise temperature, kinetic energy rises, and so does pressure

Answer:

C.

raising the temperature of the gas

Explanation:

Edg. 2020

Other guy is right i got 100%

arrangement of small particles in substance is​

Answers

Answer:

The particle model represents particles by small, solid spheres.It describes the arrangement, movement and energy of particles in a substance. The model can be used to explain the physical properties of solids, liquids and gases.

Answer:

The particle model represents particles by small, solid spheres. ... It describes the arrangement, movement and energy of particles in a substance. The model can be used to explain the physical properties of solids, liquids and gases.

Explanation:

The diagram shows a model of an animal cell. Explain how you'd modify the model to show the structures in a plant cell.

Answers

Answer:to show the structures of a plant cell,add a cell wall around the membrane and increase the size of the vaculoe insidethe cell, draw green ovals to represent chloroplasts.

Explanation:

Which of the following is the correct model of C7H16?
A.
B.
C.
D.

Answers

Answer:

D

Explanation:

Option D gives the correct model of C7H16. From the option, one will discover that the model has 7 carbons in the backbone. If you count the attached hydrogen, you will discover that the hydrogen is 16 in total.

This model or skeletal structure of this element represents heptane. Heptane or n-heptane is known to be a straight-chain compound and an alkane. It's chemical formula can also be written as: H₃C(CH₂)₅CH₃ or C₇H₁₆.

This compound is known to be one of the main components of gasoline. It is known to be a volatile organic compound and a clear and colorless liquids with a petroleum-like odor.

Answer: D

Explanation: Just took the test

In Ernest Rutherford's gold foil experiments, some alpha particles were deflected from their original paths, but most passed through the foil with no deflection. Which statement about gold atoms is supported by these experimental observations?

Gold atoms consist mostly of empty space.

Gold atoms are similar to alpha particles.

Alpha particles and gold nuclei have opposite charges.

Alpha particles are less dense than gold atoms.

Answers

Answer:

A

Explanation:

Water can undergo a change of state when its energy changes at specific temperatures. Solid water, or ice, changes into liquid water when its energy increases at its melting point. a. Describe this process. b. Explain how the energy changes with each state.

Answers

Answer: The solid turns into liquid during melting.

Explanation:

a. The process of a solid turning into liquid is called melting. The solid ice turns into a liquid during the melting process. The solid molecules gain energy and flow as a liquid.

b. The energy of the molecules increases in the liquid state. When the ice turns into a liquid the energy of the molecules increases. The application of heat or excess temperature increases the energy of the molecules.

This picture shows a model if a cell. What is the main function of the part labeled Z in the model?

Answers

Answer:

store water so b

Explanation:

labeled Z in the model refers to store food and other material in the cell.

what is cell?

cell can be defined as the basic unit of the living cell, it can be unicellular or multicellular. unicellular organism are prokaryote and some of the unicellular eukaryotes whereas multicellular organisms are eukaryotes like plants and animals.

a basic component of cell are cell membrane, cytoplasm, nucleus, mitochondria, lysosome, golgi body, endoplasmic reticulum.

cell wall only present in plant cell and prokaryotic cell while it is absent in animal cell, the function of cell wall is to provide protection

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Please he with c
Please I swear I am crying

Answers

Step 1: Subtract the atomic number from the mass number
Step 2: 12 - 6 = 6
Therefore the number of neutrons is 6
Because the number of neutrons is equal to the difference between the mass number of the atom and the atomic number

You put a drop of food coloring into a container of room temperature water and watched as the color spread out in the water. Describe what caused the color to spread. (You do NOT stir it)

Answers

Answer:the dye is heavier than the water so the substances fuse together instead of sitting at the top much like the phenomenon  with oil and water combination

Have a good day!

You are exploring a dormat volcano. As you walk, you first notice volcanic ash. As you continue in the same direction you find pieces of Lapilli. At the point where you find the lapilli are you closer or further away from the crater? Please answer this im desperate!

Answers

Answer:

you are closer

Explanation:

lapilli is formed from volcanic ash particles, which is something we saw earlier. the particles turn into lapilli when they get moist usually by the magma caused from eruptions


Highlands are:
A.The tall mountains thrown up by the impact of meteors with the Moon
B.Areas of lava flow
C.Impact sites of meteors on the surface of the Moon
D.The original surface crust of the Moon

Answers

Answer: C Usually grasslands and lowlands that are flat. The rest don’t make sense

list the elements symbols for the elements that are designated with neon green ​

Answers

What type of element does the neon green color indicate? List the element symbols for the element that are designated with neon green below.

H, C, N, O, P, S, Se

I saw this on a worksheet hope this helps!

Answer:

h,c,n,o,p those are the elements

how many elements belong to the Halogen family? list the member element by thier symbol.​

Answers

Answer: six elements

Explanation: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (As), and tennessine (Ts)

Answer:

there are six elements

Which particle is NOT made up of quarks?
A: a proton
B: a neutron
C: an electron

Answers

Answer: C: an electron

Explanation:

Answer:

C: electrons

Explanation:

-79.6 -80 -81.2. is the correct answer

Answers

um what -80 lol what

A young girl has blue eyes.
Which statement explains how the young girl inherited her blue eye color?
A. The girl received proteins from her mother and father that coded for blue eye color.
B. The girl received blue pigments from her mother and father that formed her blue eye color.
O c The girl received cells from her mother and father that blended together to form her blue eye color.
D. The girl received chromosomes from her mother and father containing DNA that coded for blue eye color.

Answers

Answer:

D

Explanation:

( I hope that this helps )

Answer:

The answer is d

Explanation:

How many protons, electrons and neutrons do A nitrogen atom with atomic number 7 and mass number 14

Answers

Answer:

p =7

e = 7

n = 7

Explanation:

proton = atom number

electron = atom number - muatan

neutron = mass nimber - atomic number

what is the formula for sulfuric acid

Answers

Answer:

H₂SO₄

Explanation:

Hope this helps!

Elements in group to are cold alkaline earth metals what is most similar about alkaline earth metals how many protons and neutrons they have which Chemical properties he have how many total electrons they have which period They have most often found in

Answers

Answer:

explanations below

Explanation:

The alkaline earth metals are the 6 chemical elements that can be found in group two of the periodic table. These elements have a lot of properties in common, in the sense that they are generally shiny, reactive at standard temperature and pressure and they are also silvery-white. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra)

These metals have two electrons at their orbits, which can be easily lost to form cations (with charge +2, and an oxidation state of +2)  

Below are some of their details

Name: Beryllium  

Number of Protons/Electrons: 4  

Number of Neutrons: 5  

Name: Magnesium  

Number of Protons/Electrons: 12  

Number of Neutrons: 12  

Name: Calcium  

Number of Protons/Electrons: 20  

Number of Neutrons: 20  

Name: Strontium  

Number of Protons/Electrons: 38  

Number of Neutrons: 50  

Name: Barium  

Number of Protons/Electrons: 56  

Number of Neutrons: 81  

Name: Radium  

Number of Protons/Electrons: 88  

Number of Neutrons: 138  

How much space does 2 x 10^22 atoms of copper take up?

Answers

Answer:

2.35mL

Explanation:

The amount of space a substance holds is its volume.

Density = mass (g) /volume (L)

Where;

mole = mass/molar mass

Since 1 mol of Cu contains 6.022 × 10^22 atoms.

There are 2 x 10^22/6.022 × 10^22 moles in 2 x 10^22 atoms of copper

2 x 10^22/6.022 × 10^22

2/6.022 × 10^(22-22)

0.332 × 10^0

0.332mol

Mole = mass/molar mass

0.332 = mass/63.5

mass = 63.5 × 0.332

mass = 21.08g

Density = mass/volume

Density of copper (Cu) is 8.96 g/cm³

8.96 = 21.08/v

V = 21.08/8.96

V = 2.35mL or cm³

Which statement best explains why the air pressure is greater at the poles than at the equator

Answers

Answer:

At the equator, the altitude is lower, and also because of the direct heating of sun rays on the surface, the temperature is much higher than at the poles. This makes the air near the surface hot and lighter and hence it rises up which results in lower air pressure.

Explanation:

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Is steam a water , oxygen or hydrogen molecule ?

Answers

it’s a water molecule

Answer:

In thermolysis, water molecules split into their atomic components hydrogen and oxygen. For example, at 2200 °C about three percent of all H2O are dissociated into various combinations of hydrogen and oxygen atoms, mostly H, H2, O, O2, and OH.

Explanation:

Answer question number 6

Answers

It will be the first one

Which of the following is true about pure substances? A. A pure substance has the same chemical properties throughout. All pure substances are unable to be separated by any means. c. A pure substance can only be made up of one kind of atom. D. A pure substance can always be separated by physical means.​

Answers

Answer:first one

Explanation:

A pure substance has same chemical properties throughout , it cannot be  separated by any means and it is made up of one kind of atom.

What are chemical properties?

These properties are defined as those properties which become evident during or after a chemical reaction after the identity of the substance is changed during chemical reaction.

These properties cannot be determined externally just by viewing the substance ,these change immensely after a substance undergoes a chemical change.These are used for identification of unknown substances and for building up chemical classifications.

The major chemical properties are flammability,toxicity,reactivity,acidity and heat of combustion.For a chemical property to be apparent , it is necessary that the structure of the substance is altered.

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