Chemistry College

The temperature of 2,000.0 g water is raised 3.00°C. How much
energy is transferred to the water. Use the formula below and use your
notes. The specific heat (Cp) for water is 4.18 J/g • °C. Round to three
significant digits. See your notes and slides.

The Temperature Of 2,000.0 G Water Is Raised 3.00C. How Muchenergy Is Transferred To The Water. Use The

Answers

Answer 1

Answer:

25 080 j    ( Rounded to 25100 j)

Explanation:

 FROM THE EQUATION

??  = 4.18  * 2000 * (3)  = 25 080 j

Related Questions

Green light has a frequency of about 6.00×1014s−1 . What is the energy of a photon of green light?

Answers

3.25 C because I said so and energy is green

How many molecules of hydrogen fluoride (HF) are in (8.5x10^-2) moles of hydrogen fluoride (HF)?

Answers

Avogadro's numbers are used to convert the moles, atoms, and molecules. There are 51.17 × 10²¹ molecules in 8.5 x 10⁻² moles of HF.

What is Avogadro's number?

Avogadro's number converts the moles into molecules with the help of the value of the Avogadro's number as 6.02 x 10²³.

We know that 1 mole of HF has 6.02 x 10²³ molecules

Then, 8.5 x 10⁻² moles of HF will have:

(8.5 x 10⁻²) × 6.02 x 10²³ = 51.17 × 10²¹ molecules.

Therefore, 51.17 × 10²¹ molecules are present in 8.5 x 10⁻² moles of HF.

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I would really appreciate some help with this question:
Sulfur dioxide reacts with oxygen to produce sulfur trioxide:

2SO2(g) + O2(g) → 2SO3(g)

What mass of oxygen, in grams, would react completely with 1.28 g of sulfur dioxide?

Relative atomic masses (Ar): sulfur = 32, oxygen = 16

Answers

2 moles of sulfur dioxide : one mole of oxygen
Moles= mass/Mr
n= 1.28/(32+32)= 0.02 moles
0.02/2= 0.01 moles of oxygen
0.01 x 64 = 0.64g of oxygen

Can someone check my answers?

Balance the following chemical equations.
1. __4_ Fe + _3__ O2 → _2__ Fe2O3

2. __2__ C4H10 + __13__ O2 → __8__ CO2 + ___10_ H2O

3. __2__KClO3 → __2__KCl + __3__O2

4. _4___ NH3 + _5___ O2 → _4___ NO2 + _6___ H2O

5. __4__ FeCr2O7 + __8__ K2CO3 + ____ O2 → __2__ Fe2O3 + _8___ K2CrO4 + __8__ CO2

6. Given the reaction P4 + O2 → P2O5

a. Balance the equation
-P4 + 5O2 → 2P2O5
b. How many moles of P2O5 can be produced from 63.1 moles of O2?
-25.24
7. Mole ←→ Mass Conversions

Convert the following number of moles of chemical into its corresponding mass in grams.

a. 0.436 moles of ammonium chloride
-23.323
b. 2.360 moles of lead (II) oxide
-526.750
c. 0.031 moles of aluminium iodide
-12.639
d. 1.077 moles of magnesium phosphate
-283.095
e. 0.50 moles of calcium nitrate
-82.0439

8. Using the following equation:
2 NaOH + H2SO4 → 2 H2O + Na2SO4
How many grams of sodium sulfate will be formed if you start with 200 grams of sodium
hydroxide and you have an excess of sulfuric acid?
-355.25g

9. Using the following equation:
4 NH3 + 5 O2 → 4 NO + 6 H2O
How many moles and how many grams of oxygen (O2) are needed to react with 56.8
grams of ammonia by this reaction?
-4.18 moles or 133.6 grams

10. The catalytic decomposition of hydrogen peroxide is:
____H2O2 (aq) → ____H2O (l) + ____O2 (g)
a. Balance the reaction.
-2H2O2 → 2H2O + O2
b. How many moles of water and oxygen are produced by the decomposition of 86.0
grams of hydrogen peroxide?
-2.5

11. If 154.0 grams of potassium metal reacts with excess water, then how many grams of
potassium hydroxide and hydrogen gas are formed? What volume of hydrogen gas, in liters,
is formed at STP ? Be sure to balance the reaction first.
-__2_K(s) + __2__H2O(l) → __2__KOH(aq) + ____H2(g)
-220.99 grams of potassium hydroxide, 3.97 grams of hydrogen gas, 44.1 liters

12. The burning of solid sulfur in air produces sulfur dioxide gas.
S + O2 → SO2
Balance the reaction. How many moles of sulfur dioxide does the burning of 3 moles of
sulfur form? Calculate the volume of sulfur dioxide produced at STP.
-3 moles of sulfur dioxide, 0.06 l

13. The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.76 grams of water.
2 C4H10 + 19O2 →
The above give the reactants of a combustion reaction.
a. What are the products?
-CO2 + H2O
b. Balance the equation?
-2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
c. If you start with 9.3 grams of C4H10, how much pure O2 is left, if any?
-33.28 g

14. Convert 4084 grams of 3 kept at −40℃ to Liters at STP. The density as a liquid is
681.9kg/3
and 0.769/3
as a gas.
-5.3107 l as a gas, and 0.00598 l as a liquid

15. 3 decomposes into Nitrogen gas and Iodine. If you start with 0.02 grams of 3,
How many moles of Nitrogen are produced at STP?
-0.00002

Answers

Answer:

yea they look good. From what I can tell everything is correct.

Explanation:

I believe those are correct

The graph in part A shows how slow-moving water cannot carry large pieces of sediment. As water slows down on the inside of a curve, some of the larger pieces of sediment will settle out of the water. What effect will the settling of sediment have on the shape of the stream?

Answers

The river will deposit sediment along the inside of a bend in the river. This deposition causes the inside of the curve to become shallower and move farther inward.

What are Meandering Rivers ?

Rivers flowing over gently sloping ground begin to curve back and forth across the landscape. These are called meandering rivers.

Meandering rivers erode sediment Larry from the outer curve of each meander bend and deposit it on an inner curve further down stream.

This causes individual meanders to grow larger and larger over time.

Meandering river channels are asymmetrical. The deepest part of the channel is on the outside of each bend. The water flows faster in these deeper sections and erodes material from the river bank.

The water flows more slowly in the shallow areas near the inside of each bend. The slower water can't carry as much sediment and deposits its load on a series of point bars.

Thus  the settling of sediment will make the stream steeper.

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Answer:

The river will deposit sediment along the inside of a bend in the river. The deposition causes the inside of the curve to become shallower and move farther inward.

Explanation:

Edmentum

Define the term pH in acid and base​

Answers

Answer:

a measure of how acidic/base water is.

Explanation:

hope it's helpful (◕ᴗ◕✿)

What term describes the movement of small rock particles
away from their source?
O Weathering
O Decomposition
O Erosion

Answers

Answer:Erosion

Explanation:

I got it right on edmentum

Weathering


Weathering is described as the washing away of rocks


Hope am able to help

Charle's Law

At 27.00 °C a gas has a
volume of 6.00 L. What will
the volume be at 150.00 °C?

Given:
Unknown:
Formula:
Solution:
Final Answer:​

Answers

Convert temperature to Kelvin

27°C=300K150°C423K

Apply Charles law

V1T2=V2T16(423)=27V22538=27V_2V2=94L

HCI (aq) + Ba(OH)2 (aq) →
+
-
Which of the following reactions shows a correctly balanced chemical
equation for the titration being performed?
A 2 HCl (aq) + Ba(OH)2 (aq) → BaH2 (aq) + 2 CIOH (aq)
B 2 HCl (aq) + Ba(OH)2 (aq) → BaCl2 (aq) + 2 H20 (1)
CHCl (aq) + Ba(OH)2 (aq) → BaCl (aq) + H2O2 (1)
DHCl (aq) + Ba(OH)2 (aq) → Bao (s) + H3CIO (aq)

Answers

Answer:

B. 2 HCl (aq) + Ba(OH)2 (aq) → BaCl2 (aq) + 2 H20 (1)

Explanation:

When you combine an acid and a base, the products are water (H2O), and an ionic compound, or salt.

Option B is the only one that contains an ionic compound (BaCl2) and water as the products.

Solve:

Can water stay liquid below zero degrees Celsius?

Answers

Yes. If you lower the temperature of a test tube of water slowly, the water can remain liquid if it is not disturbed. As soon as the super cold water is disturbed the water will start crystalizing at a nucleation point and will convert to ice very quickly.

Which choice is not a physical property of matter?

O boiling point

O melting point

O viscosity

O heat of combustion

Answers

Answer: The Correct answer is D.) Heat of combustion

Explanation:

Answer:

D

Explanation:

i took the k-12 test

How do meteoroligists measure wind chill

Answers

Answer:

Researchers at the NWS use a mathematical formula to calculate wind chill. In that formula, the wind speed in miles per hour (v) is subtracted from the air temperature in degrees Fahrenheit (T). It can be used in temperatures below 50°F and wind speeds above 3 mph.

Explanation:

[?] describes the three dimensional highly repeating particles within a solid?

Answers

Answer: crystal lattice

How many moles are in 843 grams of MgCl2

Answers

Answer:

moles = mass / Molar mass

Mass = 843molar mass = 95.211

moles -> 843/95.211 = 8.85 mol

n=m/M
We have m[MgCl2]=843g, M[MgCl2]=95g/mol
So n[MgCl2]= 843/95=8.87mol

Which of the following best describes a weak acid?

A. It dissociates completely and produces OH- ions in water.

B. It only partially dissociates and produces H+ ions in water.

C. It dissociates completely and produces H+ ions in water.

D. It only partially dissociates and produces OH- ions in water.
​

Answers

Answer:

B.

Explanation:

weak acids - partially dissociate to give H+

strong acids - fully dissociate to give H+

Use VSEPR theory to predict the molecular
shape of the ion NO−3.
1. trigonal-planar
2. bent or angular
3. tetrahedral
4. trigonal-bipyramidal
5. trigonal-pyramidal
6. octahedral
7. None of these
8. linear

Answers

Answer:

1. trigonal-planar

Explanation:

NO3- (nitrate) has three domains around it and each oxygen pushes against each other creating a planar structure.

This is an impossible formula. If it were real, determine the molar mass of:

Fe1S1O5

Answers

The molar mass of the ammonium lauryl sulfate is 283.43 g/mol.

What is Ammonium lauryl sulfate?

It is also called ammonium dodecyl sulfate. It is used in shampoos we use for hair. It can be dissolved in both polar and non-polar solvent. It can cause skin irritation sometimes.

Thus, the molar mass of the ammonium lauryl sulfate is 283.43 g/mol.

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Helium gas occupies a volume of
12.5 Lat -45 degrees Celsius. What
volume will it occupy at 15 degrees
Celsius?

Answers

Answer:

15.79 L

Explanation:

V1 /T1  = V2/T2

Re-arrange to:

V1/T1 * T2  = V2       Note that T must be in units K

12.5/ ( -45 + 273.15)  *  ( 15 + 273.15)   = 15.79 L

A chemist reacted 11.50 grams of sodium metal with an excess amount of chlorine gas. The chemical reaction that occurred is shown.

Na + Cl2 → NaCl

If the percentage yield of the reaction is 85%, what is the actual yield? Show your work, including the use of stoichiometric calculations and conversion factors.

Answers

Actual yield is the definite mass of the product obtained from the reaction. The actual yield of the reaction is 24.83 gms.

What is the percentage yield?

Percentage yield is the proportion of the actual to the theoretical yield. The formula is given as,

% yield = Actual yield ÷ Theoretical yield × 100

The balanced chemical reaction is given as:

2 Na + Cl₂ → 2NaCl

From the reaction:

2 × 23 Na = 2 × 58.44 gm of NaCl

If, 1 gm of Na will produce = (2 × 58.44) ÷ (2 × 23)

Then, 11.50 gms sodium will produce, (2 × 58.44) ÷ (2× 23) × 11.50

= 29.22 g

So, the actual yield is calculated as:

= % yield × Theoretical yield ÷ 100

= 85 × 29.22 ÷ 100

= 24.83 g

Therefore, the actual yield of the reaction is 24.83 gms.

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Answer:24.83 g is actual yield

Explanation:

Vanessa made a list comparing the differences between the outer coverings in plants and animals, but she made a mistake. Read the table and then choose the statement that explains why the list is incorrect.

Answers

The difference between the outer covering of plants and animals is that plant cell has cellulose cell wall while animal cell is surrounded by a cell membrane

What is a cell?

A cell is the structural and functional unit of an organism which is capable of existing alone as it contains organelles that perform specific functions.

The plant cell is covered by a rigid cell wall which contains cellulose as its outer covering.

The animal cell contains not cellulose cell wall at its out covering but instead it is covered by a cell membrane.

Therefore, the difference between the outer covering of plants and animals is that plant cell has cellulose cell wall while animal cell is surrounded by a cell membrane.

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Propane boils at -42C. Octane boils at 126C Which is a gas at the freezing point of water?

Answers

The substance which is a gas at the melting point of water is the gas propane.

What is freezing point?

The term freezing point refers to the point at which a liquid turns to solid. It is often the temperature as the melting point.

Thus, the substance which is a gas at the melting point of water is the gas propane.

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How would a scientist classify a centipede? 12 points!!! pls help.

A. Arthropod
B. Amphibian
C. Mammal
D. Reptile

Answers

A arthropod hope that helps

The pressure of a sample of 226 cm3 of methane is doubled. What is the new volume of the gas? Assume that the temperature stays constant

Answers

The new volume of the methane gas would be 113 atm

What is Boyle's law?

At constant temperature, the pressure of a gas is inversely proportional to its volume.

Mathematically; P1V1 = P2V2 where P1 = initial pressure, P2 = final pressure, V1 = initial temperature, and V2 - final temperature.

In this case, V1 = 226 [tex]cm^3[/tex],  P2 = 2P1

Thus: V2 = P1V1/2P1 = V1/2 = 226/2 = 113 atm

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Perform the following
mathematical operation, and
report the answer to the
correct number of significant
figures.
16.52 x 5.8 =

Answers

Answer:

95.8

Explanation:

The number comes out to be 95.816, but you round multiplcation to the lowest significant figure present in the problem. 16.52 has 4 sig figs, and 5.8 has 2 sig figs. Thus, your answer ends up being two significant figures.

Answer: 96

Explanation:

you have separate solutions of a monoprotic, diprotic, and triprotic acid which each have the same concentrations in terms of molarity. you wish to neutralize a solution of calcium hydroxide. which acid solution would require more volume to neutralize the base?
a)monoprotic solution
b)diprotic solution
c) triprotic solution
d) you need to know the exact acid concentration to answer this question
e) you need to know the exact volume and concentration of the base solution to answer this question

Answers

Answer:

I think it's d but I'm not 100% sure

Explanation:


What is the mole fraction of each component of a gas mixture that contains
sulfur trioxide at a pressure of 1.55 atm and sulfur dioxide at a pressure of
0.35 atm?

Answers

Answer:

A model of a shopping centre is drawn to scale where 1 cm on the model represent 4 m on the ground. Music shop Thabo's Sports Ware Fati's Clothing shop Grocery store PARKING Coffee shop Toilets Restaurant Shoe store Physiotherapy Health and Fitness center 1.1 Which shop is on the right of the physiotherapy? (2) 1.2 Describe the position of the Coffee Shop in relation to the Toilets. (2)

I checked it and the person above me is correct

I think that when the temperature decreases, the pressure will __________. When things are cooled,________________..

Answers

Answer:

See below ~

Explanation:

From The Ideal Gas Equation,

P ∝ T

Therefore,

I think that when the temperature decreases, the pressure will decrease. When things are cooled, pressure decreases.

Which compound, on the basis of its name, has a carbon-carbon triple bond? chlorobutane butane butene butyne

Answers

The compound that has Carbon-Carbon triple bond is Option D , Butyne.

What is Alkyne ?

An alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.

The general chemical formula is [tex]\rm C_{n} H_{2n-2}[/tex]

Like other hydrocarbons, alkynes are generally hydrophobic.

Butyne is an alkyne that contains 4 carbon and 6 hydrogen. It contains one triple bond and has two isomeric organic chemical compounds

1-Butyne (ethylacetylene)

2-Butyne (dimethylacetylene)

Therefore the compound that has Carbon-Carbon triple bond is Option D , Butyne.

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How many moles of iron are in (2.0x10^-36) atoms of iron (Fe)?

Answers

Answer:

Approx. 20 moles of iron

Explanation:

There are approx. 6.022 ×1023 iron atoms per mole of ion. This quantity, this number of iron atoms has a mass of 55.85 ⋅ g.

Determine the amount of energy required to heat 4.00 grams of H₂O (t) at 60°C to H₂O (t) at 85°C.

Answers

Answer: See attached image

Explanation:

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At their accounting meeting, philipe tells justin to stop making foolish comments. justin, who felt he was being treated unfairly, says nothing for the remainder of the meeting. in this example, justin was acting _______. a. positively b. assertively c. arrogantly d. passively please select the best answer from the choices provided a b c d NEED HELP ASAP PLEASE The Indian Expedition was a regiment of American Indians fighting. Rosa plans to give a presentation to her co-workers on how to use her company's new requisitions process, and she is using presentation software to create a visual aid. each slide uses 30-point headings, no more than six bullet points, and black text on a white background with large, dark red and blue paint splashes. she is careful to use animation only to transition to new major points, and subpoints. what has rosa done wrong? a) her slides are inconsistent. b) her slides contain too much information. c) her slides are too busy. d) her information is too small. e) she is using too much animation What would be an effective claim for this assignment? more frequent use of class blogs and on-line calendars would greatly decrease paper cost and waste. teachers currently use paper handouts for all quizzes, tests, course syllabi, and newsletters. copy machines are busy every morning, making paper copies for the 1,200 members of our student body. our school has implemented a recycling program that ensures that no paper, glass, or aluminum is taken to the dump. 3 to the third power minus 4 to the second power Which type of UV radiation is responsible for immediate tanning?A: UV-AB: UV-OC: UV-GD: UV-D In at least 150 words, explain the controversy that continues to surround the adventures of huckleberry finn. Please help with this as soon as possible. Assignment due tomorrow!! HEy does anyone go to Purchase line High school in Pennsylvania? And is in 8th gradeplease only answer if you are, please Find the sum of the n terms using the formula a(1-r^n)/1-r 1,3/2,9/4,27/8,81/16, You inspect a bottle of sunscreen to see what radiation it claims to block. you are looking for sunscreen that blocks dangerous radiation from the sun but does not make claims about other types of radiation. which claim on a bottle would best meet these criteria? help me, i don't know the answer PLEASE HELP!!Oakdale Farms grew two different varieties of tomatoes last summer. Whenthe tomatoes were fully grown, they took a sample of each variety andcompared their weights. Can someone help me please What element do all carbonate materials contain Find the factor of each ff. x+27x+49 You can infer from Cooper's essay that colleges did not admit African Americans O most people thought women should stay at home and take care of the family colleges did not admit women she did not believe in marriage Find the value of x. Round your answer to the nearest tenth help please Based on a your normal distribution curve, 68% of a sample pack of M&M's would haveat LEAST how many orange M&M's out of a pack of 56 total M&M's 1How did the government (or Administration) take steps towards the exercise of civil rights? Give two examples from the text.