Calculate the heat that must be supplied to
a 532 , stainless steel vessel containing 375 g
of water to raise its temperature from 35 C
to the boiling point of water 100°C. Cs. =0.51 J/g. degrees C
Answer in units of J.

Answers

Answer 1

Q must be supplied = 119523.3~J

Further explanation  

The law of conservation of energy can be applied to heat changes, i.e. the heat received/absorbed is the same as the heat released  

Q in = Q out  

Heat can be calculated using the formula:  

Q = mc∆T  

Q = heat, J  

m = mass, g  

c = specific heat, joules / g ° C  

∆T = temperature difference, ° C / K  

So from the question :

Q to the system(Q supplied) = Q water + Q steel vessel(Q gained)

[tex]\tt Q~supplied=m.c\Delta T(water)+m.c\Delta T(vessel)\\\\Q~supplied=375\times 4.18\times (100-35)+532\times 0.51(100-35)\\\\Q~supplied=101887.5+17635.8=119523.3~J[/tex]


Related Questions

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

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

32 N of Force. 37 N force. How strong is the net force and in which direction?

Answers

5 units to the left.

Explanation:
They are working against each other. That means you subtract.

32 - 37 = -5

You are moving 5 units to the left because 37 is negative which means it is moving left. The key word is left. In physics, you would get the same answer if you did it this way.

37 - 32 = 5

The 5 moves in the same direction as the 37

1 pc
Calculate the volume of a an object that has a height of 14.3cm, length or
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46.2cm
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0.085 cm
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Answers

Answer:0.085

Explanation:

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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:

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:

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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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Aquanauts explore the area called?

Answers

Answer:

Inner space

Explanation:

I hope this helps

What is the mass of 4.49 x 10º carbon dioxide, CO2, molecules?

Answers

To find this you have to find the molar mass of CO2 which you can get on the periodic table, 12 + 16 + 16 = 44 g/mol

4.49 x 10^0 / 44 g/mol = .1020 mol CO2

1 mol = 6.022 x 10^23 molecules (avogadros number)

so .1020 mol x 6.022 x 10^23 =
6.14 x 10 ^22 molecules CO2

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:

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 electron configuration represents the electrons in an atom of sulfur in an excited state? 2 – 8 – 6
2 – 7 – 7
2 – 8 – 7
2 – 7 – 8

Answers

The relations of the quantum numbers allow to find that the correct answer for the configuration of the excited state is:

  2 - 7 - 7

The electronic configuration of the elements is the distribution of electrons and different levels and sublevels fulfilling the relationships between quantum numbers.  

The principal quantum number (n) goes from 0 to infinity The orbital quantum number (l) goes from 0 to n-1, in general it is represented by lera s, p, d, f The magnetic quantum number ([tex]m_l[/tex]) ranges from -l to l The spin quantum number ([tex]m_s[/tex]) can have two values ​​+ ½ and - ½

In the base configuration Sulfur of the periodic table is 2 - 8 - 6

This is at the lowest energy configuration, when the atom acquires energy, an electron from its shell must be promoted to the next level.

                       

That is, an electron from level n = 2 that is full is promoted to level n = 3 since in this shell there is still room for two electrons, the configuration of the excited state is:

                  2- 7 - 7

Let's examine the different alternatives:

1) 2 - 8 -6

False, this is the configuration of the base state

2) 2 - 7 - 7

True. An electron is promoted to the next level due to the excitation of the atom

3) 2 - 8 -7

False, in this configuration the atom becomes an ion

4) 2 - 7 - 8

False, there is an electron transfer between two levels, but there is an extra electron that turns that atom into an ion

In conclusion using the relationships of quantum numbers we can find that the correct answer for the excited state configuration is:

2 - 7 - 7

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Which statements about scientific explanations are true?
I. Scientific explanations must prove that a hypothesis is true.

II. Scientific explanations should be based on evidence or data.

III. Scientific explanations must have logical and consistent arguments.

IV. Scientific explanations should use scientific principles, models, and theories.

Answers

Answer:

The statement that is true is:

II. Scientific explanations should be based on evidence or data.

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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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Protons have a __________________ charge and are found in the area of an atom called ________________________.

Answers

Answer:

Positive

Nucleus

What metal is Potassium (K)?

Answers

Explanation:

Potassium is a chemical element with the symbol K and atomic number 19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure

Answer:

alkali metal

Explanation:

Potassium is a chemical element with symbol K and atomic number 19. Classified as an alkali metal

Which of the following best describes how Thomson
concluded that electrons are present in all atoms.
a
The charge-to-mass ratio of electrons is always the
same constant, no matter which substances are
used in the cathode ray tube.
b The cathode ray was able to turn a wheel.
The cathode ray always bent toward a negatively
charged plate.
d
The charge-to-mass ratio is unique to each different
element.

Answers

Answer: A

Explanation:

The charge-to-mass ratio of electrons is always the same constant, no matter which substances are used in the cathode ray tube.

Explanation:

Thomson in his model of atom discussed that the atom consists of a negative charge particle termed electron randomly distributed in the positively charged sphere to balance the negative charge.His model of the atom was also known as the Plum pudding model of the atom. In which electrons are embedded in positive soup.He discovered electrons by conducting an experiment with cathode rays in which cathode rays emerging from the cathode were observed to be deflected towards the positively charged plate.He also conducted the same experiment with different metals (for anode and cathode) and gases and found out that the charge to mass ratio of the electron was regardless of the metals or gases used in the experiment.With this, he landed on the conclusion that these particles of cathode rays are the universal component of matter.

So, from this, we can conclude that the charge-to-mass ratio of electrons is always the same constant, no matter which substances are used in the cathode ray tube describes Thomson's conclusion that electrons are present in all atoms.

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Where do rivers usually begin?

at the ocean
at groundwater outlets
in mountainous regions
in lakes and larger rivers

Answers

Answer:

in mountainous regions

Explanation:

The rivers usually begins in mountainous regions. A river's source is typically located in a high area, such a mountain or a hill. A river may have several sources. Some rivers start where an underground natural spring discharges water.

What is a mountain ?

A mountain is an elevated area of the crust of the Earth, typically with steep sides that reveal a substantial amount of bedrock that has been exposed.

Although definitions vary, a mountain is often taller than a hill, rising normally at least 300 meters above the surrounding terrain, and differs from a plateau in having a constrained peak region.

Every river has a beginning place where the water flow starts. We refer to this source as a headwater. Some rivers have their beginnings in hills or mountains, where rainwater or snowmelt gathers and creates little channels.

It is possible for the headwater to originate from mountain snowmelt or rainfall, but it is also possible for it to bubble up from the ground or develop at the edge of a lake or big pond.

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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.

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:

why does the moon shine

Answers

Answer:

The moon reflects light from the sun making it appear bright in the sky.

Explanation:

Answer: Its a reflection of the sun's light

Explanation: the light from the sun bounces off of the moon

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

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How is a substance’s solubility in another substance determined?
A. Add solvent till no more will dissolve
B. Add solvent stepwise till no more will dissolve
C. Add solute until no more will dissolve in a fixed amount of solvent
D. Cool the solvent

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Answer:

b

Explanation:

now explanation because that is answer

If water does break down by electrolysis to form new substances, what might be formed?

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Hydrogen and Oxygen molecules would be a result of that

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

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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:

is ice forming and then melting back into water a physical change

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yes it isssss abcdefghijk

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.

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

Explain how you would dilute a 1 mol/dm solution to one-tenth of its original
concentration.​

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Answer:

13.123.

Explanation:

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