Physics (Liquids)

72,506 results

physics

Three liquids that will not mix are poured into a cylindrical container. The volumes and densities of the liquids are 0.35 L, 2.6 g/cm3; 0.25 L, 1.0 g/cm3; and 0.40 L, 0.60 g/cm3. What is the force on the bottom of the container due to these liquids? One liter = 1 L = 1000 cm3...

physics

Milk with a mass of 0.021 kg and a tempera- ture of 13C is added to 0.12 kg of coffee at 94C. What is the final temperature? Assume the specific heat capacities of the two liquids are the same as water, and disregard any energy transfer to the liquids’ surroundings. Answer...

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 following is true about...

science STEM FAIR

Do all liquids evaporate at the same rate ? Liquids 1. Water 2. Nail polish " Remover " 3.Ginger ale

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 ?

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 solution must have ...

Science

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 around. Its particles have enough energy to move...

science

You are given three cups of liquids that look identical. Use the sequence words - first, next, after, and finally - to explain how you might tell whether the liquids are the same or different?

Science

Explain changes of state between solids and liquids and between liquids and gases?

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 happen?

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 liquids do not mix ...

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 particles have high ...

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 around. Its particles ...

chemistry

Two liquids of different densities (ρ1 = 1500 kg/m3, ρ2 = 500 kg/m3) are poured together into a 100 L tank, filling it. If the resulting density of the mixture is 800 kg/m3, find the respective masses of the liquids used.

chemistry

2 liquids a and b have vapour pressure of 500 mm hg and 200 mm hg .calculate mole fraction of a at which 2 liquids have equal partial pressure

Chemistry

Is the method of distilling only for seperating liquids from each other ? No. It may be used to separate solids dissolved in liquids, too. For example, a solution of salt and water may be seaprated by distilling the water off and the solid NaCl will be left in the pot.

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 rises to the top. If all ...

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 the volume of the ...

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.

Science

The hydride of group VIA element are- Option (a)volatile covalent gases (b)volatile covalent solids (c)volatile covalent liquids (d)volatile ionic liquids

Physics

Why solids conduct better heat than liquids and gases ?

science grade 5

what happens to solids,liquids,and gases when they are heated? Liquids evaporate Gases evaporate And it depends on what kind of soloid it is Gasses Don't e-vapor-ate, they are already vapor. They all expand. (As the molecules move faster, they move apart from one another.)

science

how do different liquids affect egg shells? Sounds like a worthy science project. Why don't you try some liquids and find out? Some might dissolve or soften them, some will change their color. wwell it depends on what type of liquid your useing like soda the acid in it will ...

Chemistry(Please check)

1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for the determination are: a) delta T and Kf only b) delta T, Kf, and mass of solute c) delta T, Kf, mass of solute, and mass of solvent d) delta T, Kf, ...

Chemistry(Please check)

1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for the determination are: a) delta T and Kf only b) delta T, Kf, and mass of solute c) delta T, Kf, mass of solute, and mass of solvent d) delta T, Kf, ...

physics

Liquids exert pressure at Right Angles to the surface of container.Please explain this with an example

Organic Chemistry - Refractive Index

Hi, I have a question that I don't know if I am on the right track to answering. If two samples of organic liquids give the same refractive index reading, are the two liquids the same? I know the refractometer is a very precise instrument - up to 8 decimal places. It measures ...

chem

How does a gas differ from a liquid with respect to the following property: Ability to mix with other substances of the same phase to form homogeneous mixtures Gases form homogeneous mixtures with each other regardless of the identities or relative proportions of the component...

chem- to clarify....

"How does a gas differ from a liquid with respect to the following property: Ability to mix with other substances of the same phase to form homogeneous mixtures Gases form homogeneous mixtures with each other regardless of the identities or relative proportions of the ...

Chemistry

Liquid methyl alcohol, which has polar molecules, will dissolve: A. only solutes that are other polar liquids. B. only solutes that are other liquids. C. nonpolar solutes. D. polar solutes. Is the answer d.

chemistry

What type of molecules can dissolve in polar liquids? What type of molecules can dissolve in nonpolar liquids? What type of liquid is water? (polar or nonpolar) show your calculations.

physics

liquids in general expand on heating but when water in an ordinary glass flask with a narrow neck is heated the level is found to first fall and then rise. why?

physics

liquids in general expand on heating but when water in an ordinary glass flask with a narrow neck is heated the level is found to first fall and then rise why ?

Chemistry

Hi! there's 3 questions..if you can help on any that'd be great..thanks! 1. Volatile liquids with lower boiling points often give better results than those with higher boiling points. Suggest a reason for this. 2. What effect would vapor condensation in the neck of the 15-mL ...

Chem

What causes dispersion forces? Disperson forces are caused by an unsymettrical distribution of charge in the molecule, causing a net electric force. http://www.chem.purdue.edu/gchelp/liquids/disperse.html

Physics

Two liquids are in a static equilibrium. Water pw= 998 kg/m^3 is in the right arm. Oil in the other. Given l=120mm and d=15mm, what is the density of the oil?

General Chemistry (Chem101)

A chemist mixes two liquids A and B to form a homogeneous mixture. The densities of the liquids are 2.0514 g/mL for A and 2.6678 g/mL for B. When she drops a small object into the mixture, she finds that the object becomes suspended in the liquid; that is, it neither sinks nor...

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 composition xA=0.82. ...

Chemistry

1. If an aqueous solution that is 0.15 M in HF has an osmotic pressure of 3.9 atm at 25oC, what is the percent ionization of HF at this concentration? 2. A mixture of 2 volatile liquids is said to be ideal if each component obeys Raoult’s Law: Pi=XiPio Two volatile liquids A...

Chemistry

How do I separate a mixture of liquids?

EVS

pictures of 5 solids and 5 liquids

Science

What is the name of the "curve" in measuring liquids?

Science

Compare and contrast liquids and gases.

Chemistry

Why is it important for you to know how to separate solids from liquids?

Physics

A 2.0-cm thich bar of soap is floating on a water surface so that 1.5 cm of the bar is under water. Bath oil of specific gravity 0.60 is poured into the water and floats on top of it. What is the depth of the oil layer when the top of the soap is just level with the upper ...

Physics

A 2.0-cm thich bar of soap is floating on a water surface so that 1.5 cm of the bar is under water. Bath oil of specific gravity 0.60 is poured into the water and floats on top of it. What is the depth of the oil layer when the top of the soap is just level with the upper ...

Chemistry

What property of liquids and solids is crucial in chromatography?

chemistry

What type of molecules can dissolve in polar liquids?

Science (please help)

Why is it that S wave cannot pass through liquids?

2nd grade

what solids and liquids used i house

science

Which foods contain solids,liquids, and gases?

Science

Which foods contain solids,liquids, and gases?

apchemistry

How do you seprate a homogenous mixtre of 2 volatile liquids?

Helen

How do you know which elements are solids, liquids, and gases at STP?

Science

I am confused about diffusion in liquids can u explain it plz?

3rd grade

what are 10 different types of liquids,solids, and gases.

4th grade

how do particles react for solids liquids and gasses?

Chemistry

what is the laboratory procedure for separating two volatile liquids?

chemistry

what are the three pure liquids produced by chemical reactions

physics

At what temperature is the density of water MAXIMUM ? Why does water have a maximum density ( Other liquids do not)

physics

At what temperature is the density of water MAXIMUM ? Why does water have a maximum density ( Other liquids do not)

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).

Physical Science

Do liquids have momentum? Does the shape of an object affect the rate at which it will fall? Do thicker substances protect objects better than thin substances? Do liquids have momentum? yes Does the shape of an object affect the rate at which it will fall? Yes, the shape ...

chemistry

How can a mixture of liquids be separated? Fractional distillation. Read about that.

science

what can you use to decide whether liquids tested are polar or nonpolar?

science

GASES CAN BE COMPRESSED MORE EASILY THEN LIQUIDS. IS IT TRUE OR FLASE

science

How does the Kinetic Theroy of Heat explan Solids, Liquids, and gasses?

Chemistry

Describe the density and compressibility of solids versus liquids and gases.

science

bromine and mercury are the only 2 liquids on the periodic table, could you predict this? why or why not?

science

what basis can you use to decide whether liquids tested are polar or nonpolar?

science

what benefit do liquids have over soilds when trying to react the chemicals?

science

liquids diffuse slowly as compared to gases.Whether ture or false.

chemistry

How do gases compare with liquids and solids in terms of the distance between their particles

physic

anyone can suggest a method to determine specific heat of non-volatile liquids?

chemistry

which liquids are effected by an electric field and why 1-chloropropane, pentane, tetrachloromethane, cyclopentane

science 3rd grade

list two example of soils, liquids, and gases

Chemistry

Crystallization process is restricted to_____________ Gas Liquids Solids Colloids

Physical sciences

Intermolecular forces by determination of the evaporation rate of different liquids

chemistry

How do you know the state of an element or compound when writing chemical equations? Unless otherwise known, assume the state of the element at room temp. Here is the real problem. For aqueous compounds, ie, compounds dissolved in water, you have to have that given. There is a...

science

i need to find 5 things that are not solids or gases or liquids can anyoneone help please Jello?

science

i am having trouble caculating denisty, volume and mass with solid shpes and liquids. can you help

chemistry

for flammable liquids what is the relationship between the evaporation rate and the likelyhood that the liquid will burn?

chemistry

for flammable liquids what is the relationship between the evaporation rate and the likelyhood that the liquid will burn?

science

Transverse waves can propagate through which of the following? solids, liquids, gasses, or what combination of these?

Chemistry

Use intermolecular forces to explain why alkanes with 1-4 C are gases; 5-16 C are liquids; and greater than 16 C is solid

CHEMISTRY

Why dissolving gases in the liquids is exothermic while the phase is down ? explain please

Physics

A friend asks for money to market a new product he invented. He claims to have invented a "cold plate" that works like a hot plate and will cool down foods and liquids that are placed on it. Should you invest?? Should I be thinking about the second law of thermodynamics here?

8th grade Science

How does the behavior of atoms and molecules differ between solids liquids and gasses?

Chemistry

Why is it important to use liquids with relatively lower boiling points when using the Dumas method?

Chemistry

Why is it important to use liquids with relatively lower boiling points when using the Dumas method?

Heat Transfer

Explain thermal conductivity & give its variation in case of solid, liquids and gases?

Science

Suppose you were testing the boiling temperature of several liquids.how would you use numbers in your investigation?

chemistry

a mixture of two liquids n2h4 and n2o4 are used in rockets the produce n2 and water vappour

Chemistry

Which of the following liquids should be most soluble in water? A) CH3OH b) CH3CH2CH2CH2OH C) CH3CH2CH2CH2CH2CH3 D) CH3OCH3

physics

A column of water of height h1 = 70.0 cm supports a column of an unknown liquid h2 = 30.0 as suggested in the figure (not drawn to scale). Assume that both liquids are at rest and that the density of water is 1.0x103 kg/m3. Determine the density of the unknown liquid.

Science

Suppose you are testing the boiling temperatures of several liquids. How would you use numbers during your investigation?

science

Suppose you are testing the boiling temperature of several liquids. How would you use numbers during your investigation?

physcial science

which observation most clearly supports the inference that liquids are composed of small particles in motion

Science

if an aluminum cube has a mass of 20g and the length of each side was 2 cm, between what two liquids would it float?

Physics Fluids

A column of oil of height 70.0 cm supports a column of an unknown liquid. Assume that both liquids are at rest and that the density of the oil is 840 kg/m^3. Determine the density of the unknown liquid.

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