In mass-volume and volume-mass calculations, all gases are
considered to be at standard
____
and pressure, also
referred to as
___


answer: temperature, stp
:P

Answers

Answer 1

Answer: temperature, Stp

Explanation:

Answer 2

The calculation for standard temperature and pressure has been referred to as STP.

The mass-volume and volume-mass, has been the measurement of the concentration of the solution.

The mass-volume has been the measurement of mass of sample in the volume of solution. The volume by mass has been the measurement of the volume of solute to mass of solution.

Standard conditions

The measurement has been performed with the standard conditions of temperature and pressure.

The standard temperature has been 273.5 K and standard pressure has been 1 atm. These temperatures and pressure has been referred to as STP.

Thus, the calculation for standard temperature and pressure has been referred to as STP.

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Related Questions

Base changes phenolphthalein to pink it is true or false​

Answers

Answer:

It’s false

Explanation:

it could be true if the question mentioned alkaline solution

Answer:

True

Explanation:

Phenolphthalein is colorless in the presence of an acid and turns pink in the presence of a base.

Need a little help with this

Answers

Answer:

Lithium

Explanation:

As you go from left to right the atomic radius decreases.

As you go from top to bottom the atomic radius.

A. Carbon is farther right in the 2nd period.

B. Lithium is the first one in the 2nd period!

C. Neon is the farthest one on the right in the 2nd period.

D. Potassium is not even in the 2nd period

not sure how to do this

the topic is limited reactants
i could do the first 2 but i’m stuck on this one because i don’t know the formula

Answers

Answer:

24 g of oxygen

Explanation:

The equations means that four moles of CH3NO2 reacts with three moles of oxygen to yield for moles of carbon dioxide, two moles of nitrogen gas and six moles of water.

The balanced equation of the reaction is;

4CH3NO2 + 3O2 -----> 4CO2 + 2N2 + 6H2O

Molar mass of CH3NO2 = 61 g/mol

61 g of methyl nitrate contains 61 g/ 61 g/mol = 1 mole of CH3NO2

From the balanced reaction equation;

4 moles of CH3NO2 reacts with 3 moles of oxygen

1 mole of moles of CH3NO2  reacts with 1 * 3/4 = 0.75 moles of oxygen gas

0.75 moles of oxygen gas * 32 g/mol = 24 g of oxygen

any help welcome on this, chem balancing equations btw !

Answers

Answer:

A. 1, 1, 1, 1

B.1,1,1

C. 2, 1, 2, 1

D. 2, 1, 1, 1

E.1,2,1,1

F.1, 1, 1, 2

G. 1, 6, 3, 4

H. 2, 3, 2, 3

A photon has an energy of 4.0 x 10-19 Joules. What is the frequency of the radiation?​

Answers

6.04 x 10^14. See attached work.

In the electromagnetic spectrum, the energy and frequency of radiation is given as, E=hυ where frequency is 0.603 ×10¹⁵ hertz.

What is electromagnetic spectrum?

The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.

The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.

In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The position of an electromagnetic wave in an electromagnetic spectrum is characterized by it's frequency or wavelength.They are emitted by electrically charged particles which undergo acceleration and subsequently interact with other charged particles.The relation is given as,E=hυ  where on substitution υ =E/h=4×10[tex]^-19[/tex]/6.626×10[tex]^-34[/tex]=0.603×10¹⁵ hertz

Thus, frequency of radiation is 0.603 ×10¹⁵ hertz.

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If you have 2 moles of sugar molecules,
you will have how many sugar molecules?

Answers

Answer- im pretty sure it's 2

Do the following ! I'LL MARK THE BRAINLEST!
ITS SCIENCE!

Answers

Answer:

it's easier to look it up

Explanation:

Earths rocks change from one type to another over time die to various earth processes A- igneous rock B- cementation C- metamorphic rock D- rock cycle

Answers

Answer:

The rock cycle describes the processes through which the three main rock types (igneous metamorphic, and sedimentary) transform from one type into another.

Explain how the earth recycles and reuses it's own crust (Make it a paragraph)

Answers

Answer:

The interaction between the tectonic and the hydrologic systems causes constant recycling of the materials of the Earth's crust. Rocks are heated, metamorphosed, melted, weathered, sediment is transported, deposited and lithified, then it may be metamorphosed again in yet another cycle.

Explanation:

Ask the browser my friend

At which temperature is the vapor pressure of ethanol equal to the vapor pressure of propanone at 35°C?

Answers

Answer: 60 C

Explanation:

A gas has a pressure
of 0.12 atm at 21.0°C.
What is the pressure at
standard temperature?

Answers

Answer:

0.12 it is 32.1 *C

Explanation:

at the standard temp

The pressure of the gas at 21°C is 1 atm. Then the pressure at the standard temperature i.e., at 25°C or 298 K is 0.14 atm.

According Gay- Lussacs law, the pressure of the gas is directly proportional to the temperature of the gas at constant volume.

hence, P1/T1 = P2/T2.

given,

P1 = 0.12 atm

T1= 21 °C

T2 = 25°C

then,

P2 = P1 T2/T1

     = (0.12 atm ×21 °C)25 °C

     = 0.14 atm

The pressure will increase from 0.12 atm to 0.14 atm when the temperature reaches its standard point.

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4. The chemical energy in the person's body is transformed into when they peddle the bike, causing the generator to rotate. Some energy in the bike wheel is lost to . The generator produces electricity, which heats the water, causing it to produce thermal energy in the form of steam. When the person's chemical energy runs out, how do you replenish it? 5. Change the initial energy source to sun, the intermediate energy source to the solar panel, and the final energy source to the windmill. In this system, is produced from the sun and transformed into electricity in the solar panel. Both of these types of energy are considered forms of . The result of this system is that the windmill produces mechanical energy. 6. Try a few more scenarios, choosing different initial, intermediate, and final energy sources. Observe places where energy is transformed and lost. Creating systems with the least amount of energy is important in engineering design.

Answers

Answer:

Mechanical Energy, Thermal Energy, By Feeding Them Food, Light Energy, Electromagnetic Energy, it's right on Edge

Explanation:

Answer:

1. mechanical energy, 2. thermal energy, 3. by feeding them food, 4. light energy 5. electromagnetic energy

Explanation:

got it right on edg ;))

PLSS HELP I GIVE BRAINLIEST

Answers

Answer:

you r correct it is layer a and b

Explanation:

Uhm how to do this? I need answers to this please

Answers

Answer:

Hi - First you need to determine whether there is a metal or no and from there there are certain rules in order to name the compound. Here is a flowchart to try and help.

Is water a reactant or product?

Answers

Answer: Reactant

Explanation:

In simple wording, Water act as a reactant and it broke or we can say split the larger molecule in the smaller ones, The H and OH bonds are attached to the two products that are formed after the reaction. Another process in which water is used as an important reactant is photosynthesis.

Your neighbor has a loud party at 3:00 A.M. The police tell her it is illegal to make noise at this late hour. This is an example of
o the government censoring your neighbor's first amendment freedoms
your neighbor legitimately exercising her first amendment rights
O restrictions on first amendment rights for the good of the community
the police abusing their power?

Answers

Hahahhahahsshhaahhrbebebedjdidodi

what happend to that mass when the forest burns?

Answers

Answer:

When the forest burns we will lose a huge amount of oxygen and animals will lose their home.

Explanation:

what is neucler fission​

Answers

Answer:

Neucler fission is ​a radioactive decay process. The nucleus of an atom splits into two.

Complex animals use their circulatory systems to provide their cells with water and
food. Plants do not have circulatory systems. What have they developed instead to
move nutrients and water?

Answers

Answer:

It is Xylem!

Explanation:

 I just now took the test in Eduphoria. Just trust me, and you will get this right. I promise!

It is through circulatory system through which tissues get required oxygen, nutrients and also helps to remove waste products. The plants move water and nutrients through Xylem.

What is Xylem?

The vascular tissue which carries water and minerals from the soil to the leaves and stems is defined as the xylem. It is composed of some specialized cells called tracheary components which carry water.

There are two types of xylem, they are primary xylem and secondary xylem. The primary xylem is developed during the primary growth of the plant whereas the secondary xylem is formed during the secondary growth of the plant.

The most important function of xylem is to transport water and minerals from the roots of the plant to other parts of the plant. This transportation occurs by passive transport which does not require any external energy.

The materials which flow through the xylem cell is called the xylem sap.

Thus xylem helps plants to move nutrients and water.

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Charles's law describes the relationship of the volume and temperature of
gas at a constant mass and pressure. According to this law, what would
happen to the volume of the gas if its temperature increased from 150 K to
300 K?

A. The volume would increase from 150 mL to 300 mL.
B. The volume would be reduced by half.
C. The volume would decrease by 150 mL.
D. The volume would double.

Answers

Answer:

Charles's law is: When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be in direct proportion. So the volume would increase

How many atoms are in 200.0 grams of Sulfur (S)?

Answers

Answer:

37.64 × 10²³ atoms

Explanation:

Given data:

Number of atoms = ?

Mass of sulfur = 200.0 g

Solution:

First of all we will calculate the number of moles of sulfur.

Number of moles = mass/molar mass

Number of moles = 200.0 g/ 32 g/mol

Number of moles = 6.25 mol

Number of atoms:

Avogadro number:

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

6.25 mol × 6.022 × 10²³ atoms / 1mol

37.64 × 10²³ atoms

What is the overall trend for ionization energy on the periodic chart?

Answers

Answer:

The general trend is for ionization energy to increase moving from left to right across an element period. Moving left to right across a period, atomic radius decreases, so electrons are more attracted to the (closer) nucleus.

Explanation:

Brainliest plz

Answer:

Ionization energy increases across the period and decreases down the group.

PLLLZZZZZZZZZZZZZZZ HELPPPPPP MEEEEEEEEEEEE THHHXXX

Answers

the awnser to your question would be B

How many significant figures are in the number 90027.00?

Answers

Answer:

Scientific Notation: 3.45 x 10^5

E Notation: 3.45e5

Explanation:

whats the melting point of water

Answers

the answer is 0°C
step by step explanation:
32 degrees f
0 degrees c

Can y’all answer these for me I’m in a hurry so I don’t fail this class

Answers

Answer:

what I can't understand what you're saying lol

Explanation:

be my friend lol

btw follow me on my another account (sarivigakarthi)...... plz

7. When substances are combined to form a mixture, they

A. keep their original properties

B. form new chemical bonds

C. form a new compound

D. cannot be separated physically

Answers

Answer: keep their original properties

Explanation: a mixture is, by definition, a combination of substances that do not interact, so they do not form new bonds/new compounds. They can usually be separated physically.

Mixtures are combinations of two or more individual components. However they can be separated physically based on their properties. They can form new bonds and compounds. Hence, options B and C are correct.

What are mixtures?

Mixtures are formed by the combination of two or more substances by physical adherence or chemical bonds. They can be of homogeneous or heterogeneous.

Homogeneous mixtures appears as a single compound such as salt or sugar water they can form in one phase. Whereas, heterogeneous mixtures form two phases and appears to be separate.

There are many analytical tools to separate the components of mixtures such as chromatography, distillation, evaporation etc. The properties of mixtures will be different from that of the individual components. Hence, options B and C are correct.

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You need to make an aqueous solution of 0.150 M sodium fluoride for an experiment in lab, using a 500 mL volumetric flask. How much solid sodium fluoride should you add?

Answers

Answer:

Explanation:

Solution required is .15 M 500 mL sodium fluoride .

molecular weight of sodium fluoride = 42

one mole of sodium fluoride = 42 grams

No of moles contained in the solution of .15M , 500 mL solution

= .15 x 0.5 moles = .075 moles

1 mole = 42 g

.075 moles = .075 x 42 = 3.15 grams .

So mass of sodium fluoride required = 3.15 g .

Can two compounds be used as reactants for a synthesis reaction?

Answers

Yes they can!!!!!!!!!!

I think this is gonna be 2050 for memers

Answers

Answer:

HOLY WOAH

Explanation:

YES

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