# saltwater freezes at what temperature

13,199 questions
1. ## science

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature

asked by Anonymous on May 1, 2014
2. ## Science

Which of these statements about saltwater is correct? a. Saltwater freezes at a lowers temperature? b. Saltwater freezes at a higher temperature c. saltwater does not freeze at any temperature d. saltwater freezing point depends on the temperate of ocean

asked by Hannah on February 24, 2014

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature Saltwater does not freeze at any temperature Saltwaters freezing point depends on the temperature of the ocean

asked by Sally on November 8, 2016
4. ## science

saltwater freezes at what temperature

asked by jamie on February 11, 2019
5. ## Science

Water freezes at 0 Celisus. If a temperature drop is causing a glass of water to freeze, how would a thermometer in the water most likely change as the water freezes? A. The temperature would keep rising steadily. B. The temperature would keep falling

asked by Anne on October 20, 2013
6. ## Science

Water on Earth is either freshwater or saltwater. What is the percent ratio of freshwater to percent saltwater on Earth? A) 1% freshwater : 99% saltwater B) 3% freshwater : 97% saltwater C) 30% freshwater : 70% saltwater D) 50% freshwater : 50% saltwater I

asked by Sasha on March 30, 2017
7. ## Physics

A brick is completely submerged in SALTWATER (D = 1.03 kg/L). The brick experiences a buoyant force of 193 oz. What is the weight of the SALTWATER displaced by the brick?

asked by Cameron on October 27, 2018
8. ## physics II

A certain material is in a room at 27°C. If the absolute temperature (K) of the material is tripled, its resistance doubles. (Water freezes at 273 K.) What is the value for alpha (a) the temperature coefficient of resistivity?

9. ## chemistry

calculate the molecular weight of a substance which freezes forms a 7.00% by mass solution in water which freezes at -0.89°C.

asked by iain on March 7, 2010
10. ## science

why organic compound freezes from bottom while water freezes from top???

asked by manoj on July 31, 2010
11. ## Science

Question: The greatest expansion of water occurs when: isn't it when it turns to ice?? The other answers are at 4C it gains temperature or at 4C it loses temperature. In the winter the pipes can break because the water in them freezes that's why I thought

asked by MIKE on October 24, 2012
12. ## Math

The question is: The freezing point of helium is -272 degrees celsius. The original temperature of a sample of helium is 3 degrees celsius. a.How much must the temperature change to ensure that helium freezes? -AND- b.Assume the temperature changed at a

asked by Ali on September 22, 2008
13. ## SCIENCE!

the second worksheet of SCIENCE! for today performing an experiment read the following statements and then answer the questions. 1. a scientist wants to find out why sea water freezes at a lower temperature than fresh water. 2. the scientist goes to the

asked by anon on August 29, 2015
14. ## Chemistry

An aqueous solution of NaCl freezes at -1.6ºC. At what temperature will it boil? Given that K(b) for water is 0.52 deg m^-1.

asked by steph on April 17, 2013
15. ## physcial science

As water freezes, its temperature does what? a) increase b) decrease c) first increase, then decrease d) does not change The temperature of freezing water is 0o C. The temperature of the water will remain at zero C until all of the water has frozen;

asked by dora on June 22, 2007
16. ## 7th grade science hypothesis question

please help me with this challenge question, as i don't quite understand it.: Yolanda makes this hypothesis: "If salt is added to water, then the water will boil at a lower temperature." She sets up and experiment to test her hypothesis, but discovers that

asked by Beth on September 8, 2008
17. ## science

please help me with this challenge question, as i don't quite understand it.: Yolanda makes this hypothesis: "If salt is added to water, then the water will boil at a lower temperature." She sets up and experiment to test her hypothesis, but discovers that

asked by Beth on September 8, 2008
18. ## Science

The Air temperature is -2 degrees Celsius (28 degrees Fahrenheit) . Which statement correctly describes what happens to snow at this temperature? A. Snow Starts to melt. B. Snow remains frozen C. Snow changes to steam D. Snow melts and then freezes again

asked by Anonymouse on March 16, 2018
19. ## Chemistry

Confused on these, please explain or show work for the answer if you can. :) 1. What is the morality of a water solution that freezes at -0.633°C? 2. What is the freezing point of a solution that contains 1.99 g of a molecular solute of molar mass 58.5

asked by Lauren on December 6, 2017
20. ## Math evaluating expressions with rational numbers

Liquid nitrogen freezes at -346 degrees F and boils -321 F. Janice gradually heats frozen nitrogen 1 1/2 degrees several times over an hour. 1)Define variables for the number of times Janice increases the temperature and the temperature of the liquid

asked by Kyra on September 14, 2014
21. ## Chemistry

1. As the intermolecular forces between molecules increase in magnitude, do you expect each of the following to increase, decrease or remain the same? My answers: Viscosity: increase Boiling point: increase Vapor pressure: decrease Surface tension:

asked by Student on February 13, 2016
22. ## Chemistry

1. As the intermolecular forces between molecules increase in magnitude, do you expect each of the following to increase, decrease or remain the same? My answers: Viscosity: increase Boiling point: increase Vapor pressure: decrease Surface tension:

asked by Student on February 14, 2016
23. ## Chemistry

27. Amorphous solids have crystal structures.- F? 32. Pure, crystalline solids freeze and melt at the same temperature.- F 34. Water expands as it freezes.- T Thanks -MC

asked by mysterychicken on October 26, 2010
24. ## Physics

A brick is completely submerged in SALTWATER (D = 1.03 kg/L). The brick experiences a buoyant force of 193 oz. What is the weight of the SALTWATER displaced by the brick? I believe the answer is 193 because, wt. of water displaced = buoyant force Let me

asked by Cameron on October 28, 2018
25. ## Physics

A 0.260-kg piece of aluminum that has a temperature of -165 °C is added to 1.4 kg of water that has a temperature of 3.0 °C. At equilibrium the temperature is 0 °C. Ignoring the container and assuming that the heat exchanged with the surroundings is

asked by Sara on November 17, 2006
26. ## AP Chemistry

1. The heat of solution of salta may either be endothermic or exothermic. What factors determine this? 2. As a solution freezes, why does the freezing temperature continue to decrease? 3. When the concentration of very dilute aqueous solutions are

asked by anonymous on February 4, 2007
27. ## chemistry

C6H6 freezes at 5.5°C. At what temperature will a solution of 10 g of C4h10 in 200g of C6H6 freeze? The molal freezing point depression constant of C6H6 is 5.16°C/m?

asked by iain on March 7, 2010
28. ## Science

1. Which of the following is true about mixtures? (1 point) Mixtures consist of two or more substances chemically combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. ***Mixtures have two or more substances

asked by TTR+S&lt;3 on January 29, 2014
29. ## Chemistry

Name the property that each change depends on. Then classify the property as either chemical or physical. a) You separate a mixture of gravel and road salt by adding water to it b) Carbon dioxide gas freezes at a temperature of -78C

asked by Jill on September 8, 2014
30. ## Science

1. Which of the following is true about mixtures? (1 point) Mixtures consist of two or more substances chemically combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. Mixtures have two or more substances

asked by Trover on January 25, 2016
31. ## chemistry

A sample of 10.00g of a solid unknown was dissolved in 25.00g of water. Assuming that pure water freezes at 0.0°C and the solution freezes at -5.58°C, what is the molal concentration of the solution? What is the molar mass of the solid? Show your

asked by paula on January 24, 2015
32. ## Chemistry

You need to find the freezing point of a 1.50m aqueous NaCl solution. You calculate []Tf to be 1.86 degrees C/m x 3.00m or 5.86 degrees C. What is the temperature at which the solution freezes?

asked by Kim on April 27, 2010
33. ## math

A new temperature scale has the freezing point of water at 50 degrees and the boiling point of water at 125 degrees. Normal body temperature is 37 degrees C and 98.6 degrees F. Water freezes at 0 degrees C and 32 degrees F and boils at 100 degrees C and

asked by Joey on March 14, 2010
34. ## Science.

Frost wedging is a form of weathering caused by water seeping into the cracks of rocks. This type of weathering is common in regions that have very cold winters. How does frost wedging take place? A) This is a physical weathering process — when water

asked by AyItsYoAnimeGurl on December 14, 2018
35. ## chemistry

why water expands when it freezes? Water expands when it freezes because it starts to bend. when all the water molecules are in this hexagonal structure, the same amount of water takes up more space than when the molecules are randomly arranged. For

asked by Ciaria on March 11, 2015
36. ## AP Chemistry

Each increase in pressure of 100 atm decreases the melting point of water by 1.0 degrees C. Estimate the temperature at which liquid water freezes under a pressure of 400 atm. How do I approach this problem?

asked by Thuy on October 27, 2010
37. ## Physics

Calculate how much pressure (due to the liquid) would be on a 83 kg person if they were 53 m deep in... a.)...freshwater. The density of freshwater is 1000 kg/m3. Express your answer in both pascals and atmospheres. 1 atm = 1.013×105 Pa. Pa atm

asked by Cameron on October 21, 2018
38. ## Science

What is the difference between saltwater and freshwater?

asked by Anonymous on September 19, 2016
39. ## Environmental Science

what is a freshwater or saltwater life zone?

asked by Patricia on August 27, 2007
40. ## Chemistry

Find the entropy change of the universe when 2 moles of water freezes at -10 degrees celsius. The delta G for the freezing of water at -10 degrees celsius is -210 J/mol and the heat of fusion of ice at this temperature is 5610 J/mol.

asked by Linda on April 21, 2013
41. ## Physics

To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. When the water turns to ice during the night, heat is released into the plants,

asked by Anonymous on December 11, 2012
42. ## ALGEBRA

. Water freezes at 0◦ Celsius and 32◦ Fahrenheit and it boils at 100◦C and 212◦F. (a) Find a linear function F that expresses temperature in the Fahrenheit scale in terms of degrees Celsius. Use this function to convert 20◦C into Fahrenheit. (b)

asked by UCHI on September 20, 2016
43. ## Chemistry

Calculate the joules of energy involved when 11 grams of water at 10.0 degrees Celsius cools and then freezes at 0.0 degrees Celsius. How many kilocalories are required to raise the temperature of 305 gtams silver from 30 degrees Celsius to 70 degrees

asked by Palak on January 24, 2011
44. ## science

describe a freshwater or saltwater lifezone within or adjacent to the mojave desert?

asked by kg on January 27, 2007
45. ## geography

calculate the freeboard of a 10-m thick iceberg in saltwater (seawater density of 1025 kg/ m^3)

asked by Jackson on April 9, 2012
46. ## science

what would happen tp animals and plants in a saltwater ecosystem if it were flooded by fresh water?

asked by Deja on January 20, 2009
47. ## LA

What are the differences between saltwater and freshwater fish? I have to write a compare and contrast essay

asked by Beesly on January 23, 2019
48. ## physics

Suppose that you want to freeze 1.2 kg of water for a party, and only have 10 minutes to do it. Relying on nothing but your keen physical abilities, a dixie cup, duct tape and a piece of string, you manage to build a refrigerator unit which can do the job.

asked by sarah on November 28, 2010
49. ## Calculus

The celcius scale is devised so that 0 degrees celcius is the freezing point of water ( at 1 atmosphere of pressure) and 100 degrees celcius is the boiling point of water ( at 1 atmosphere of pressure) . If you are more familiar with the Fahrenheit scale,

asked by Jack on September 11, 2010
50. ## science

Explain what would happen to the animals and plants in a saltwater ecosystem if it were flooded by fresh water?

asked by Deja on January 20, 2009
51. ## Physics???

When the air temperature is below 0 C, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.2 cm thick is at -10.7 C and the bottom surface is at 0.00 C, calculate the time it will take to add 1.80 mm

asked by Chels on December 4, 2007
52. ## Science

Which of the following represents a heterogeneous mixture? 1)saltwater 2)air 3)bleach and water 4)chicken noodle soup I think #3 Thank you.

asked by Jamie on September 25, 2017

1. List at least three things that your body strives to keep constant. Think about what aspects of your body overall, of one body organ, or of your blood stay nearly unchanged all the time. 2. Describe one way in which each of the items you listed in Part

asked by princess on March 9, 2012
54. ## Physics QUIZ

Rising air cools as a result of a decrease in barometric pressure with altitude. (Lapse Rate) True/False? When an inflatable life jacket is inflated with a compressed air cylinder the air inside the now inflated life jacket is much colder than it was prior

asked by ROB on December 9, 2006
55. ## Algebra

Stella is recording temperatures every day for 5 days. On the first day, Stella recorded a temperature of 0 degrees Farenheit. A. On the second day, the temperature was 3 degrees Fahrenheit above the temperature on the first day. What was the temperature

asked by Ms. Stephie on September 18, 2014

1- at 12 noon, leslie recorded the temperature as 56F. the temperature had increased by 8F from 10 A.M. the temperature at 8 A.M. was 2F warmer than it was at 10 A.M. what was the temperature at 8 A.M? MY Son write the answer is - 62F 2- the temperature at

asked by dk on February 29, 2012
57. ## water cycle

what does water freezes into?

asked by Anonymous on April 19, 2010
58. ## CHEM

Calculate ΔSfus and ΔSvap for HF. Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I already calculated ΔSfus as 24.103 J/k*mol and ΔSvap as 86.07 J/K*mol....These are correct (I checked them already). I need help

asked by Srah on March 16, 2012
59. ## CHEMISTRY

Calculate ΔSfus and ΔSvap for HF. Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I already calculated ΔSfus as 24.103 J/k*mol and ΔSvap as 86.07 J/K*mol....These are correct (I checked them already). I need help

asked by Brian on March 14, 2012

A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for

asked by Selena on November 15, 2013
61. ## Earth space science, check answers?

A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for

asked by Selena on November 15, 2013
62. ## Chemistry

Identify which of the following changes is exothermic. a) liquid water boils to steam b) liquid water freezes to give ice c) ice melts to give liquid water d) liquid water increases in temperature from 35 C to 45 C

asked by Anon on March 11, 2017
63. ## social studies

What geographic features lies east of the Andes Mountains? 1) saltwater grasses 2)active volcanos 3)llanos grasslands 4)mangrove swamps I think 3 Thanks

asked by JAMIE on March 31, 2017
64. ## Astrophysics

Star Power and Temperature Star A and Star B Consider two stars that are the same size (they have the same diameter), but have different surface temperatures. Let’s say Star A’s temperature is 3000 K and Star B’s temperature is 4500 K. Let’s look

asked by Lisa on October 9, 2012
65. ## Chemistry

You are asked to prepare a temperature bath that freezes at -25 degrees C, using only water and ammonium sulfate. a. How many grams of ammonium sulfate would you need to prepare this bath if you start with 500 grams of water? b. What would the boiling

asked by Robin on November 14, 2012
66. ## Chemistry

How much energy is released when 44.5 of water freezes?

asked by Delia on September 15, 2010
67. ## chemistry

How much energy is released when 48.5 g of water freezes?

asked by re on September 6, 2009
68. ## physics

Why does water freezing not violate the second law of thermodynamics? (Hint: Think in terms of a system) The entropy of the water decreases when it freezes and goes into a more ordered crystaline state. However, heat is released to the environment in the

asked by anonymous on February 19, 2007
69. ## Physics

Refrigerator Suppose that you want to freeze 1.2 kg of water for a party, and only have 10 minutes to do it. Relying on nothing but your keen physical abilities, a dixie cup, duct tape and a piece of string, you manage to build a refrigerator unit which

asked by BG on November 28, 2010
70. ## Science

An echo ping is heard by a weapons control officer, onboard a destroyer, 2.0 seconds after a sound pulse is initiated in saltwater. What is the depth of the target object?

asked by Rico on March 31, 2011
71. ## physics

Is it true that hot water freezes fast?

asked by Jim on September 10, 2010
72. ## Chem

I have a concentration of saltwater (NaCI) in that there was 23 g of salt dissolved in .025 L of water. How many atoms were dissolved? Is this how you set it up??? .39 x(6.022x10^23)

asked by Maria on September 22, 2014
73. ## Science

Which of the following is a pure substance? Choose all that apply. Choose 2. A)Fruit juice? B)nickel? C)saltwater? D)rust? (Fe2O3) I think it is A and C

asked by boooooooooooyyyyyyy on September 13, 2017
74. ## chemistry

f you have 150 milliliters of water and it freezes, how many grams of ice do you have?

asked by Kelsei-Natalie on January 27, 2011
75. ## Honors chemistry

How much heat (in kcal) is released when 62.2g of water at 0 degreesC freezes?

asked by Hayden on April 16, 2014
76. ## chemistry

How much energy is released when 2.55kg of diethyl ether freezes?

asked by janny on May 4, 2010
77. ## chemistry

What is the boiling point of an aqueous solution that freezes at -6.7 degress C. Please help.

asked by swtnblk on November 5, 2011
78. ## physical science

a certain amount of water freezes and the resulting weight of the ice is

asked by lora on June 28, 2012
79. ## Chemisty

250g of water containing sucrose freezes at -3.5C. What is the molality of the solution?

asked by Jared on February 24, 2013
80. ## chemistry

f you have 150 milliliters of water and it freezes, how many grams of ice do you have?

asked by Kelsei-Natalie on January 27, 2011
81. ## CHEMISTRY

What concentration of aqueous CaCl2 solution freezes at -10.2ºC?

asked by Anonymous on November 23, 2010
82. ## biology

Saltwater is a _____ environment for a cell because the concentration of salt is greater outside the cell than inside it. A. hypertonic B. hypotonic C. isotonic D. dissolved

asked by Lilly on October 11, 2017
83. ## Chemistry

What is the molal concentration of an aqueous calcium chloride solution that freezes at -2.43 degrees C?

asked by Arya on February 3, 2014
84. ## Chemistry II

What is the molal concentration of an aqueous calcium chloride solution that freezes at -2.43 degrees C?

asked by Chrystal on February 3, 2014
85. ## Chemistry

What concentration of aqueous NaOH solution freezes at negative 3.2 degrees celsius ?

asked by Mikayla on June 17, 2012
86. ## Chemistry

Calculate the heat released when 25.0 grams of water freezes at 0 degrees celsius.

asked by Completely Lost on December 28, 2008
87. ## Biology

Are saltwater gills different from freshwater gills? Please explain to me

asked by Rueangsit on February 22, 2012
88. ## Chemistry

People have proposed towing icebergs to arid parts of the earth as a way to deliver freshwater. Explain why icebergs do not contain salts although they are formed by the freezing of ocean water (i.e saltwater)

asked by Lauren on February 4, 2008
89. ## Chemistry

Find the entropy change of the universe when 2 mol of water freezes at -10 degrees celsius.

asked by Linda on April 21, 2013
90. ## Chemistry

What is the molal concentration of an aqueous calcium chloride solution that freezes at -2.43 degrees Celsius?

asked by Brooke on April 30, 2010
91. ## Chemistry

Will increasing the temperature of H20 before dissolving Ca(IO3)2 affect how much Ca(IO3)2 is dissolved? I think this has something to do temperature and Le Chatelier's Principle and equilibrium. So, would more be dissolved at a higher temperature than at

asked by Minuet on February 6, 2017
92. ## Math

A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

asked by Alex on January 11, 2015
93. ## Math

A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

asked by Alex on January 6, 2015
94. ## Math

A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

asked by Alex on January 12, 2015
95. ## science

Infiltration is the process by which rainwater becomes; A. Saltwater B. River water C. Ground water D. Ocean water

asked by someone on November 25, 2013
96. ## Math

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *my answer

asked by Anonymous on September 16, 2014
97. ## Algebra

When Jonell checked the temperature in the morning, he saw that it was -4F. Late that afternoon, the temperature was 15F. Select the equation that represents this situation. -4+x=15;x=The number of degrees the temperature rose -4+x=15;x=The current

asked by Katy on August 27, 2018
98. ## Temperature(Math)

At 5 o'clock in the morning, the temperature at the top of the race course was -13o. By 10:00 A.M., it was +12o. How much had the temperature risen? Answer: 25o The temperature rose from -12o to +23o by noon. How much did the temperature change? Answer:

asked by Andrew on January 26, 2012
99. ## Math (Ms. Sue! Anyone!)

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused

asked by Anonymous on September 15, 2014
100. ## math

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused

asked by Anonymous on September 15, 2014