A student mixed two clear liquids together in a beaker. A solid and a new liquid formed. The student forgot to write down the mass of one of the reactansts. The rest of the data are shown in the table

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  1. Science

    Which statement is correct about the inner core and mantle of the Earth? (1 point) A.The mantle is entirely liquid, while the inner core in entirely solid. B.The mantle is both solid and liquid, while the inner core in entirely liquid. C.The mantle is

  2. science

    In which of the following phase transitions is energy released? liquid to solid solid to gas liquid to gas solid to liquid please help

  3. Science

    A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

  4. science --- pls check my work!!!

    hi, pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) solid*** liquid gas molecule 2. Why is a gas able to flow? (1 point) Its particles have melted and can move around.Its particles have high viscosity and can move

  5. Chemistry

    13.A student mixed 5.00 g (0.0594 mol) of solid cyclohexane, C6H12, (84.18 g mol–1) at its melting temperature of 6.6°C with 50.0 g (0.594 mol) of liquid cyclohexane at 50.0°C in an open yet insulated container. After thermal equilibrium was

  6. Chemistry

    three liquids have densities of 1.15g/m, 0.79g/ml, and 0.95 g/ml. When the liquids, which do not mix, are poured into a graduated cylinder, the liquid at the top is the one with a density, in g/ml, of ?

  7. Science

    1.Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O). According to the Law of Conservation of Matter, how many atoms will there be in the product of this reaction?(1 point) A. 20 B. 30*** C. 10 D. 15 2.Which procedure could be used to

  8. Chemistry

    A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we

  9. Chemistry

    The question on one of my assignments says, "Explain why a thick layer of ice on the lake can support the weight of a person, but the liquid water cannot." I would assume it's because solids are solid and liquids are liquid, but I feel like they want a

  10. Science

    7. Which of the following changes gives no evidence that a chemical reaction has taken place? A cube of solid forms a puddle of liquid. A certain liquid is added to a solid, and bubbles of gas form. Two liquids are mixed, and a precipitate forms. Heating a

  11. science

    A student is given a sample of an unknown liquid to test in the laboratory. The student thinks that the liquid is water. Which of the following properties of the sample is most helpful to determine if the liquid is water? A. color of the liquid B. mass of

  12. Science Help!

    A student mixed two clear liquids together in a beaker. A solid and a new liquid formed. The student forgot to write down the mass of one of the reactansts. The rest of the data are shown in the table below. Table Mass (g) Liquid reactant A/ unknown Liquid

  13. Chemistry

    I need to vary the surface area by choosing different size beaker. I will put liquid in there so it would have to be volume??cm^3? But the question is how can I calculate the surface area of the beaker ??? The key thing here is the container... Examples:

  14. Science

    In the simulation shown below, each insulated beaker contains equal amounts of the same fluid.The starting temperature of beaker A was 100.0 °C and the starting temperature of beaker B was 0.0 °C. Assuming no heat is lost, what is the best estimate of

  15. Science

    2. Two liquids are poured into two cups. Cup A contains a colorless, odorless liquid. Cup B contains a colorless liquid with a strong odor. An ice cube floats in Cup A but sinks in Cup B. When heated, the liquid in Cup B boils at a much lower temperature

  16. chemistry

    Several reactions are carried out using AgBr, a cream-colored silver salt for which the value of the solubility product constant, Ksp, is 5.0 x 10-13 at 298 K. a) Calculate the value of [Ag+] in 50.0 mL of a saturated solution of AgBr at 298 K. b) A 50.0

  17. Chemistry

    Where two liquid substances are mixed together and a solid forms by a chemical reaction, the solid is known as what? Is it heterogeneous mixture? The fact that paper burns and turns into different substances is known as ____ ____of paper? I honestly am

  18. Science

    A student mixed two clear liquids together in a beaker. A gas and a new liquid formed. The gas escaped, so the student was unable to measure its mass. She guessed that its mass was no more than 10.0 [LW1] grams. Her data is shown in the table below. Mass

  19. Math

    In a science experiment, Ms. Dixon's students find that there is 0.00385 times as liquid in Beaker A as in Beaker B after two days. There are 3.5 millimeters of liquid in Beaker B. How much Liquid is in Beaker A?

  20. Chemistry

    Three liquids of differing densities are studied. Samples of liquid 1 and liquid 2 are placed in a container together. Liquid 1 rises to the top. Another sample of liquid 1 is placed in a different container together with liquid 3. This time, liquid 3

  21. science

    Two insulated beakers contain different amounts of identical liquids. Beaker A contains twice as much liquid as Beaker B. The temperature of Beaker A is 80°C. The temperature of Beaker B is 40°C. An aluminum rod connects the beakers, and the system is

  22. science

    The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 85°C. The temperature of Beaker B is 40°C. A metal rod connects the beakers. Five minutes later, the temperature of Beaker A is 75°C and the temperature

  23. Chemistry

    When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms. What happens to the mass of the mixture after the solid precipitate forms? Choose the best

  24. Physical Science

    Two identical beakers are both half filled with a liquid. Beaker A contains water and Beaker B contains a liquid that is denser than water. Which of the following is FALSE? a. The pressure at the bottom of Beaker B is greater than that at the bottom of

  25. Chemistry

    What can be said about a substance with a triple point above 1atm 1) The liquid state of the substance cannot exist. 2) The gaseous state at 1 atm pressure cannot be condensed to the solid at the triple point temperature. 3) The melting point of the solid

  26. Chemistry

    Describe what do you expect to observe when the following reactions take place (3 points each): Example. 2 NaHCO3(aq) + CuCl2(aq)  CuCO3(s) + 2 NaCl(aq) + H2O(l) + CO2(g) When two transparent (clear) solutions were mixed, the resulting liquid became

  27. science

    The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to

  28. I need help

    Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer? A. A metal ball (solid) suspended (floating in the middle) in oil (liquid) B. Jello (red semi-solid) on top of a

  29. Science

    2. why is gas able to flow? a) Its particles have melted and can move around b) Its particles have high viscosity and can move around c) Its particles have enough energy to move around d) Its particles have enough pressure to move around 3. Which of the

  30. Chemistry

    The general statement: "like dissolves like" means: identical compounds will dissolve to form a solution. one stronger component must beak down the weaker component. liquids will only dissolve in liquids. solid will dissolve in liquids. the components of a

  31. science

    A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

  32. Science HELP

    A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A = 10 g Liquid reactant B = 17 g Beaker + solid product= 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15

  33. Chemistry

    The density of liquid "A" is 1.80gm/ml, liquid "B" is 1.10 gm/ml and liquid "C" is 1.40 gm/ml. If theses liquids are immiscible in each other and a piece of solid with a specific gravity of 0.80 is placed in a container of all these liquids, what will

  34. Chemistry

    Consider the densities of the liquid substances listed. a) How will substance X, a solid, with density of 0.87 g/cm^3, behave when placed in each of the other pure liquids? b) Sketch and label a test tube containing substances A,B,C, and X. Assume that the

  35. chemistry

    what happens when solids, liquids, and gases are heated/cooled? Most expand if heated; contract if cooled. Solids, if heated high enough will melt and the liquid may occupy less volume than the solid. Likewise, liquids, if heated high enough, will boil and

  36. Organic Chemistry

    Hello! I was looking for some advice on my organic chemistry lab. We were supposed to separate and identify a solid mixed into a liquid. I found and have confirmed my liquid is acetone by distilling it out of the solid. The solid then turned into a whitish

  37. Physics

    what is the general relationship between the density of solids and the density of liquids? Are you talking about the density of substance X in the solid state vs the density of the same substance in the liquid state. GENERALLY, solids have a higher density

  38. science

    You are worried that a solid substance has dissolved in a beaker of water in a lab. What would be a way to separate the substance from the water? Use a magnet to draw out the solid substance from the water. Pass the solution through a filter to let the

  39. Chemistry

    You have to work with 240 mL of a liquid. You are provided with 250 mL, 400 mL and 800 mL beakers. Which would be the best size of beaker to use? Which would be the worst size? Explain your reasoning. A 250 beaker has graduations every 25 mL. With what

  40. Science

    1: Use the table to answer the question. Student Name | Potential Energy Rating (lowest to highest) ------------------------------------------------------------------------------------- Henry | gas, liquid, solid

  41. chem

    what is a liquid solution and a gaseous solution? Do you intend to ask us to name a liquid solution and a gaseous solution. One example of a liquid solution is vinegar. It is acetic acid in water. That is a solution of two liquids. An example of a gaseous

  42. Science

    Please check my answers (at the bottom) with these questions. 1. An apple quickly changes color when exposed to air. This demonstrates a ________. (1 point) physical property chemical property physical change all of the above 2. When a chunk of dry ice is

  43. chemistry

    As the temperature of a gaseous substance is decreased at constant pressure, it will undergo a series of physical changes. Which is the correct sequence of physical states that will be encountered? a.Liquid, solid, gas b.Gas, solid, liquid c.Solid, liquid,

  44. science

    The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to

  45. chemistry

    Let's say for example I have 5g of copper in a beaker. Mass would be 5g + mass of beaker. If I add any given amount of water to the beaker containing the copper, that will change the mass of the beaker containing the copper. Am I correct so far? So then if

  46. Chem Check Please!

    What type(s) of chromatography is/are most appropriate for solids? Explain ----Liquid-Solid Chromatography ----Thin-Layer Chromatograph What type(s) of chromatography is/are most appropriate for liquids? Explain ----High performance liquid chromatograpy

  47. re-chem please

    if i had a beaker with .0001M of Cu solution and copper solid (anode) and another beaker with 1M Cu solution and Cu solid (cathode), how would i calculate the half reactions of these two? would the two equations be: cu2+(aq) --> Cu(s) + 2e- and ?

  48. Science plz

    Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer? A. A metal ball (solid) suspended (floating in the middle) in oil (liquid) B. Jello (red semi-solid) on top of a

  49. SCIENCE

    A STUDENT HAS AN UNKNOWN CLEAR LIQUID. SHE WANTS TO DETERMINE WHAT IT IS

  50. Chemistry

    What changes of state are involved in this use of ethyl chloride? Select all that apply. Select all that apply. 1-liquid to gas 2-liquid to solid 3-gas to solid 4-liquid to solid 5-solid to liquid 6-solid to gas

  51. Chemistry

    (I need help with these two questions. I don’t know how to solve it.) 1. A student takes 215mL of a 5.0M HCI solution and places it into a beaker. The students then adds enough water to the beaker to make 750mL. Calculator molarity of this new solution.

  52. Science

    A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A 10 g Liquid reactant B 17 g Beaker + solid product 32 g What is the mass of the beaker? A. 5 g B. 10 g C. 15 g D.

  53. Science

    "A student mixed two clear liquids together in a beaker. A solid and new liquid formed. The student forgot to write down the mass of one of the reactants. The rest of the data is shown in the table below." The data (mass, in grams): Liquid reactant A:

  54. Science

    Hiiii! I was wondering about getting some help real quick. 1. A student mixed two clear liquids together in a beaker and a solid precipitate formed. His data is shown in the table below. Liquid reactant A - 10g Liquid reactant B - 17g Beaker + solid

  55. Some Chemistry Questions

    I got three questions. If you were making a tool used to handle live electrical wires, which class of materials would you most likely use? ***Semimetals Metalloids Nonmetals Metals Which of the following changes gives no evidence that a chemical reaction

  56. Science

    Please Check my Work:pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) 1. solid (My Choice) 2. liquid 3. gas 4. molecule 2. Why is a gas able to flow? (1 point) 1. Its particles have melted and can move around. 2. Its

  57. Chemistry - Science (Dr. Bob222)

    At 25 degree C, a student adds 0.400 g of solid phosphoric acid to a beaker containing 500.0ml of water. After the solid is completely dissolved the student adds 20.0ml of a 0.995M sodium hydroxide. What is the pOH of the solution in the beaker?

  58. chemistry

    A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we

  59. help on a question

    I needed help on a physical science question. When the molecules in a body move with increased speed, it's possible that the body will change from a... A) gas to a liquid B) gas to a solid C) liquid to a solid D) liquid to a gas PLEASE HELP ME!! If the

  60. Science

    1. You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the second, the ice cubes are on the bottom of the beaker. Write a hypothesis to explain the difference in your observations about the two

  61. science

    You are worried that a solid substance has dissolved in a beaker of water in a lab. What would be a way to separate the substance from the water? Use a magnet to draw out the solid substance from the water. Pass the solution through a filter to let the

  62. Physics

    A solid is completely submerged in a particular liquid and floats at a constant level.when the temperature of the liquid in the solid is raised, the liquid expands more than the solid. will this make the solid rise upward remain floating or sink explained

  63. Organic Chemistry

    Which purpose does recrystallization serve? (Select all correct answers.) It is used to purify liquids. To separate unreacted solid starting materials from the solid target compound. To remove a solid from a liquid. It is used to purify solids. Improve the

  64. chemistry

    A student estimated the volume of a liquid in a beaker to be 300 mL. When she poured the liquid into a graduated cylinder, she measured the volume as 295 mL. Considering the measurement in the graduated cylinder to be the accepted value, what is the

  65. Science

    Liquid A=0.68 g/ml Liquid B=0.76 g/ml Liquid C=1.00 g/ml Liquid D=1.08 g/ml A new liquid with a density of 0.97 g/ml is poured into a graduate cylinder. Where would it layer in relationship to the other liquids?

  66. chemistry

    A student is given 3 beakers: Beaker 1- 50.0 ml of a solution produced by dissolving 6.00 grams of a weak monoprotic acid ,HX, in enough water to produce 1 liter of solution. The empirical formula of HX is CH2O. The solution contains 3 drops of

  67. science

    My science homework questions is: You measure the boiling temperature of 3 clear liquids. 1 of them boils at 100C. The other 2 at 85C and 115C. How can you use numbers to identify the first liquid? Can someone help?

  68. chemistry

    a chemist puts 50g of chemical a in beaker 1 and 25 g of chemical b in beaker 2 she places bot beaker into a larger container. as the chemicals evaporated the gas react into a white solid what mass of solid will form if chemicals react

  69. Chemistry

    Why is a beaker more acurrate to use when measuring the evaporation over a period of time of a liquid instead of an Erlenmayer flask??? I don't know that it is. It depends upon the size of the Erlenmeyer flask, the beaker, how much water is in the

  70. chemistry

    a student was investigating the properties of a liquid L. He found that it turned phenolphthalein indicator red but when a piece of litmus paper was dipped into liquid L it turned blue. Which of these liquids could it be? a Aqueous ammonia b Lemon juice c

  71. science

    The two insulated beakers contain equal amounts of identical liquids. The temperature of Beaker A is 80°C. The temperature of Beaker B is 50°C. A copper rod connects the beakers. The system is then left alone for several hours. What would you expect to

  72. Chemistry

    What is true for water? A) In a phase diagram the solid-liquid coexistance line has a negative slope. B) In a phase diagram the solid-liquid coexistance line has a positive slope. C) The solid is more dense than the liquid. D) The solid is less dense than

  73. Science

    A scientist is working in a lab and accidentally combines two liquids that quickly form a solution. Which process could be used to separate the two liquids?(1 point) heating the liquids and letting one boil away first *** passing the liquids through a

  74. chemistry

    A student estimated the volume of liquid in a beaker as 200 mL. When she poured the liquid into a graduated cylinder, she measured the volume as 216 mL. What is the percent error of the estimated volume from the beaker, taking the measurement in the

  75. Physics

    I have a blue liquid with density 1040 +- 20 yellow liquid 1190 +- 60, (dark)red liquid 1170 +- 30 pink/light red liquid 1100 +- 60 my task is to find out what liquids are they all of the densities were calculated in class(we were doing an experiment).

  76. Chemistry (Math)

    A chemist pours 200 grams of a liquid (density = 2.5 gm/mL) into a cube beaker with 5 cm edges and a graduated cylinder with a base radius of 5 cm and a height of 5 cm. What is fraction of the liquid that needs to be put in the graduated cylinder such that

  77. Chemistry (Math)

    A chemist pours 200 grams of a liquid (density = 2.5 gm/mL) into a cube beaker with 5 cm edges and a graduated cylinder with a base radius of 5 cm and a height of 5 cm. What is fraction of the liquid that needs to be put in the graduated cylinder such that

  78. science 2

    6. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)soluble a precipitate an alloy a solute 7. Stainless steel is an example of a ____ solution. (1 point)liquid-solid solid-liquid

  79. chemistry please

    if i had a beaker with .0001M of Cu solution and copper solid (anode) and another beaker with 1M Cu solution and Cu solid (cathode), how would i calculate the half reactions of these two?

  80. Physical Chemistry

    "Liquids A and B, which have identical molar volumes, are mixed together in equal volumes to form a 75 mL mixture. The liquids are partially miscible and the mixture phase separates into an upper phase with a composition xA=0.45 and a lower phase with a

  81. physics

    Jacob found a piece of a broken glass bottle. He picked it up and made these observations about it: 1. No color (clear) 2. Makes scratches on wood 3. Has a bumpy surface 4. Broke when I dropped it He thinks the glass is a solid and most of his observations

  82. physics

    Jacob found a piece of a broken glass bottle. He picked it up and made these observations about it: 1. No color (clear) 2. Makes scratches on wood 3. Has a bumpy surface 4. Broke when I dropped it He thinks the glass is a solid and most of his observations

  83. physics

    During an all-night cram session, a student heats up a 0.420 liter (0.420 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19.4 °C, and the beaker is filled to the brim. A short time later when the student returns, the

  84. chemistry

    Kc = [Na+][Cl-]/[NaCl(s)] The above equation contains the concentration of NaCl in solid NaCl. This concentration is related to the density of solid NaCl and its molar mass. Since the density of NaCl or of any pure solid or pure liquid does not vary with

  85. Physics

    During an all-night cram session, a student heats up a 0.332 liter (0.332 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19.0 °C, and the beaker is filled to the brim. A short time later when the student returns, the

  86. Physics

    During an all-night cram session, a student heats up a 0.332 liter (0.332 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19.0 °C, and the beaker is filled to the brim. A short time later when the student returns, the

  87. Physics

    A solid hass of 400g in air and partly immersed in a certain liquid it has a mass of 320kg .given that the relative density of the liquid is 0.80. Calculate the volume of the solid immersed in the liquid.

  88. science

    1. Why is the periodic table usually drawn with hydrogen (H) separated from the rest of the elements? 2. Finely ground sane can be poured like water. Why is sand considered a solid rather than a liquid? How is sand different than liquids?

  89. PHYSICS _ please help

    A metal block of volume 1 * 10^3 cm^3 is suspended from a thread as shown in the diagram. It is lowered into a beaker of liquid of unknown density until it is completely immersed but does not touch the bottom of the beaker. The beaker rests on a balance.

  90. chemistry

    the experiment is a sequence of Chemical Reactions. Procedure part A preparation fo copper (II) Hydroxide-get a solution of copper(II)nitrate. measure 25ml of solution. to blue solution add 2mL of concertarted NaOH while stirring. Let mixture settle and

  91. Chemistry

    An unsealed 750 mL beaker contains 500 mL of very dense gas at 25.0 degrees C and 1.10 atm. The gas is much denser than the surrounding air, so it does not disperse into the air. (a) At constant pressure, what would the temperature have to reach for the

  92. Science

    If you have a beaker that contains 100ml at 40 degrees and a beaker that contains 200ml at 25 degrees. After a while the temperature of both liquids have decreased. In terms of energy describe what has happened to the liquids.

  93. Chemistry

    A student had 50.0 grams of frozen alcohol and placed it in a beaker on a hot plate. The student noted that for the first two minutes, the temperature of the alcohol in the beaker did not change. By the end of the two minutes most of the alcohol was in the

  94. science

    Finely ground sane can be poured like water. Why is sand considered a solid rather than a liquid? How is sand different than liquids?

  95. Chemistry

    So I mixed 25 mL of 0.002 M KSCN and 25 mL of water in a beaker. The solution was clear with no precipitants. But then it says the ions present in KSCN are: so i put K+,S2- , CN- is that right?

  96. Science

    Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer? A metal ball (solid) suspended (floating in the middle) in oil (liquid) Jello (red semi-solid) on top of a cracker

  97. Science

    1. You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the second, the ice cubes are on the bottom of the beaker. Write a hypothesis to explain the difference in your observations about the two

  98. chemistry

    If I measure a graduated cylinder 50 mL and then take that same liquid and it measures 52 mL in a beaker, what is the percentage error of the beaker?

  99. chem

    A 250 beaker has graduations every 25 mL. With what accuracy can you estimate the volume of liquid in the beaker?

  100. chemistry

    what temperature do solids change to become gas and what temperature do liquids change to become solid and what temperature do gasse change to become liquid/solid

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