# volume,mass,weight

48,209 results

### Physics, still don't get it!

The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twenty-four. What is the volume of gold in a 20.0 karat gold necklace whose weight...

### volume,mass,weight

if you travelled to a planet that had twice the force of gravity of earth and you have taken a small mass that is 1kg what is the mass weight and volume of the 1kg object on the new planet compared to earth

### Chemistry

What mass of substance would be needed to prepare these solutions: 1) 400ml (cm3) at 5% weight/volume 2) 50ml (cm3) of NAOH at 10% weight/volume

### Chemistry/maths

What mass of substance would be needed to prepare these solutions: 1) 400ml (cm3) at 5% weight/volume 2) 50ml (cm3) of NAOH at 10% weight/volume thanks

### Physics

The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twenty-four. What is the volume of gold in a 20.0 karat gold necklace whose weight...

### Physics please check

The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twenty-four. What is the volume of gold in a 20.0 karat gold necklace whose weight...

### Physics Fluids

When a crown of mass 14.7 kg is submerged in water, an accurate scale reads only 13.4 kg. Is the crown made of real gold? Ok How do I do this problem I set up my free body diagram Net Force = ma = 0= Ft + Fb - Fg were Ft is the force of tension on the scale that was used to ...

### Chemistry

mass of empty flask with stopper = 32.634 g mass of flask with water and stopper = 59.479 g density of the water = 0.9973 g/cm^3 mass of water = 26.845 g volume of water = 26.918 cm^3 the flask is then emptied and an unknown substance is added mass of flask with new liquid and...

### Chem

I have a problem, the density of the metal = mass (2) - mass (1) over Volume (2) - Volume (1) = My first mass and volume are 15.098g and 5.5 mL. the second mass and volume are 11.3235g and 4.0 mL. I got 9.04g/mL as my answer if this isn’t right can you walk me through the ...

### 6th grade science

we had this question on a test the measure of the amount of SPACE occupied by an object is its: weight mass area volume I put volume and it was marked wrong. The teacher said it was mass. I looked it up and still think I am correct, can you tell me which is correct? Thanks

### Physics(Please check)

A paperweight, when weighed in air, has a weight of W = 6.95 N. When completely immersed in water, however, it has a weight of Win water = 4.26 N. Find the volume of the paperweight. Would I multiply the two values of weight and then by the density of water? 4.26=weightinair-...

### Chemistry

What is the required volume in ml to prepare a liter of solution 0.1 mol of nitric acid. molar mass 63 g / mol Density 1.41 g / ml, 75% weight by weight...

### Science

A block of iron is transported to the moon.Which of the following is true? Both the mass and weight remain unchanged Both the mass and weight decrease The mass remain the same,but weight decreases The mass decreases, but the weight remains the same

### science (density)

1) mass=100g, volume=10ml,density= 2) volume=7ml, mass=70g, density= 3) mass=50g, volume=10cm3, density= 4) volume=30cm3,mas=90g,density= 5) mass=120,volume=6ml,density= Thanks everyone i apresheate your help.

### science (density)

1) mass=100g, volume=10ml,density= 2) volume=7ml, mass=70g, density= 3) mass=50g, volume=10cm3, density= 4) volume=30cm3,mas=90g,density= 5) mass=120,volume=6ml,density= Thanks everyone i apresheate your help.

### Chemistry

A 25.00mL sample of a household cleaning solution was diluted to 250.0mL in a volumetric flask. A 50.00mL aliquot of this solution required 40.38mL of 0.2506 M HCl to reach a bromocresol green end point. Calculate the weight/volume percentage of NH3 in the sample. (Assume that...

### Soil Science!

Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...

### Soil Science, HELP!!

Given the following soil properties, find the % of water by weight at soil saturation with water: Moist sample weight: 202.16 Oven dry sample weight: 197.8 Bulk Volume:118.86 Particle Volume Density: 73.73 Soil bulk density: 1.66 soil particle density: 2.68 % pore space: 38.06...

### thermodynamics

the mass of a fluid system is .311 slug, its density is 30lb.ft^3 and g is 31.90fps^2. a) find the specific volume, b) the specific weight, and c) total volume

### science

a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is equal to the volume of ...

### science

a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is equal to the volume of ...

### Physical Science

A block of iron is transported to the moon . Which of the following is true 1) Both its mass and weight remain unchanged. 2)Its mass remains the same, but its weight decreases 3)both its mass and weight decreases 4)Its mass decreses, but it weights remain the same

### Physics

Archimedes principle. The weight of the bouy is given, so the weight of water displaced by the submerged part of the bouy equals that. Figure the volume that weight of water displaces, then figure the height of a .33m diameter column of water will have of that volume. A large ...

### physics

balloon filled with 1 liter of water (1000 cm^3) in equilibrium in a container of water, the balloon is totally submerged in the water. a. What is the mass of 1 liter of water? b. What is the weight of the 1 liter of water? need assitance in setting up problem and figuring out...

### Science

what is the difference between mass and weight? The mass of an object is the amount of matter it contains, while its weight is a measurement of the force that gravity exerts on it. The mass of an object is always less than the weight of an object. The mass of an object is ...

### Thermodynamics

What is the specific volume of a gas at 180psia & 90°F when its density is 0.0892 lb/cu ft at 14.7psia & 32°F. Calculate its gas constant & the appropriate molecular weight. Checking: @ 14.7psia & 32°F where; v= 1/0.0892lb/cu.ft = 11.2108cu.ft/lb v= 19372.2624 cu.in/lb R=...

### physics

A 20-lb weight is hung on an 18-in. spring stretching it 6 in. The weight is pulled down 5 in. and 5 lb are added to the weight. If the weight is now released with a downward velocity of y0 in./sec, find the position of mass relative to the equilibrium in terms of y0 and valid...

### science

What is anything that has mass and takes up space? 1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of mercury, you are investigating a ____. 1) Chemical change 2) Chemical property 3) Physical change 4) Physical property An object weighing 90 N has ...

### physics

A large, cylindrically-shaped weight is suspended from a long spring found hanging from a rafter. The weight is slender metal cylinder about two meters long that is suspended with its flat bottom about half meter above the level concrete floor. When a 1 kg mass is added, the ...

### Chemistry

Determine the mass of CaCO3 in your TUMS tablet? The weight of the tablet was 0.013g Concentration of HCl was 0.1494 M Volume of HCl was 95 mL Concentration of NaOH was 0.1422 M The average amount it took to titrate was 2.13 mL I have determined that moles of HCl neutralized ...

### Science

What is anything that has mass and takes up space? 1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of mercury, you are investigating a ____. 1) Chemical change 2) Chemical property 3) Physical change 4) Physical property Ab object weighing 90 N has ...

### Math! Help! Help! Help!

Hello a compound with: density of: .80 g/cm^(3) volume of: 1ML what is the mass? How do you conver this? mass = volume x density solve for mass volume = 1 mL = 1 cc = 1 cm^3 density = 0.8 g/cc plug and chug Post your work if you don't understand this and tell us exactly what ...

### physics- density

An air mattress is 2.1 m long, 0.55 m wide, and 13 cm deep. If the air mattress itself has a mass of 0.22 kg, what is the maximum mass it can support in fresh water? I know that I can find the volume and area, and the density of water. But I cannot find an equation to find the...

### physics

A patient is getting his elbow rehabilitated. He is told to lay his elbow flat on a table and lift a a 3.5kg weight by bending his elbow( he's raising his forearm itself and the weight). The weight is 30cm from his elbow. After telling his therapist that it hurts for him to ...

### Physics

As the distance between an object and the center of the Earth is increased 1)the object's mass decreases and its weight remains the same. 2)both the object's mass and its weight remain the same 3)both the object's mass and its weight decreases. 4)the object's mass remains the ...

### scince

When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight (i) What is the weight of the body in water? (ii) What is the weight of the body in air? (iii) What is the upthrust on the body? (iv) ...

### Chemistry (Mass/volume)

What are factors that will contribute to achieving the lowest mass/volume ratio possible for an airbag? The "mass" includes the mass of the reactants, bag, and any additional materials you would use to make the airbag. The "volume" is of the inflated air bag.

### physics

Consider a 1kg mass at rest at the equator.Because of the earths rotation , the mass experiences a centripetal acceleration. a)Draw free body diagram of mass b)Find centripetal force acting in the mass c)Compare apparent weight and true weight d)what fictitious force would the...

### physics

1. The weight in the following diagram has a mass of 0.750 kg and the cart has a mass of 0.52 kg. There is a friction force of 2.1 N acting on the cart. What is the tension in the string? a. 4.4 N b. 4.3 N c. 4.1 N d. 4.2 N 2. An 8.5 kg block is attached to a weight. The ...

### biology

what is the metric units used for 1. distance 2. length 3. volume 4. weight or mass?

### Physics

1. The weight in the following diagram has a mass of 0.750 kg and the cart has a mass of 0.52 kg. There is a friction force of 2.1 N acting on the cart. What is the tension in the string? a. 4.4 N b. 4.3 N c. 4.1 N d. 4.2 N 2. An 8.5 kg block is attached to a weight. The ...

### Chemistry

For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact concentration of a sodium hydroxide solution. Two trials were completed and the data collected was: mass of weighing paper, mass of weighing paper + KHP, mass of KHP, initial ...

### Chemistry

You calibrate 25ml pipette at 25degae centigrade using steel weight.the weight of the delivered volume of water is 24.971.what is the volume of pipette at 20 and 25 degree centigrade?

### Chemistry

The Densities of Liquids and solids O.k. so here is my problem. I will give you the whole problem just incase my mistake is somewhere else, but the volume for the metal and the density for the metal in the end seem to be wrong. (Density of unknown liquid) Mass of empty flask ...

### Chemistry

When we breathe we inhale oxygen, O2, and exhale carbon dioxide, CO2, plus water vapor, H2O. Which likely has more mass, the air that we inhale or the same volume of air we exhale? Does breathing cause you to lose or gain weight? I thought that the air we breathe out has more ...

### chemistry(please check my work)

If 0.836 g of solid Al reacts stoichiometrically according to the balanced equation in a reaction solution with a total volume of 1160 mL, what mass (g) of gaseous H2 is produced? 6 HClO4(aq) + 2 Al(s) → 3 H2(g) + 2 Al(ClO4)3(aq) 0.836g/molecular weight Al=mole of Al ...

### Chemistry

How does weight differ from mass? Weight changes with gravity while mass does not change.

### physics

Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.

### physics

Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.

### physics

Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.

### physics

Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1000 N, for example.

### Physics

You are at a furniture store and notice that a Grandfather clock has its time regulated by a physical pendulum that consists of a rod with a movable weight on it. When the weight is moved downward, the pendulum slows down; when it is moved upward, the pendulum swings faster. ...

### Chemistry

What would the molarity of 50 mL of 3% hydrogen peroxide be if it's volume/volume? I know how to do weight/volume but not this, someone help?

### physics

One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 160 N. What is the radius of the brass ball? Well, the tension is from the brass ball, and you are given the weight as 160N. Weight=densitybrass*g*(volume) ...

### Physics

Suppose a cube that measures 0.020 m on each side were made of water. Find its volume, mass, and weight.

### science plzzz help

1 what si the diference between mass and weight? 2 will the following substances float or sink in water at 3.98 degree celcius? Mass volume float & sink 25g 50ml ? 65g 40ml ? 36g 35ml ?

### chemistry

Archimedes used density along with mass and volume of alloys (mixtures) of gold and silver to determine the percent of gold (and also silver) in these alloys by simple, non-destructive measurements. Prove that the mass of gold in a given mass of silver alloy is given by the ...

### Science

Which of the following identifies a measurement, its SI units, and the tool most commonly used to measure it? a. length, meter, ruler *** b. temperature, degrees Fahrenheit, thermometer c. weight, gram, scale d. volume, millimeter, meniscus Why do scientists use standard units...

### Science

Which of the following identifies a measurement, its SI units, and the tool most commonly used to measure it? a. length, meter, ruler *** b. temperature, degrees Fahrenheit, thermometer c. weight, gram, scale d. volume, millimeter, meniscus Why do scientists use standard units...

### Chemistry

Classify the following type of stoichiometry problem: How many grams of zinc must react with an excess volume of hydrochloric acid to yield 0.500 g of zinc chloride? mass-mass problem mass-volume problem volume-volume problem mole-mole problem none of the above

### algebra

the body mass index ,I,can be used to determine an individuals risk for heart disease. An index less then 25 indicates a low risk. The body mass index is given by the formula,or model,I=700w/h2, where w = weight,in pounds,and H=height,in inches.Jerome is 72 inches tall.What ...

### chemistry

How can I determine the concentration of HCl remaining in the flask after back titration? PLEASE SHOW SOLUTION!!!!!! Con. of HCl: 0.14M Volume added:100mL Con. of NaOH:0.145M Weight of Tablet: 1.0g I have been given weight of antacid, concentration and volume of HCl and ...

### Science

A body weight 500 N in air and weight of displace water is 300N then find apparent loss in the weight of body. The upthrust on body. The volume of the body

### Physics

can someone check? Which has greater volume: 1 kg of gold or 1 kg of water? a. The gold has greater volume. b. The water has greater volume. c. Gold and water have the same volume. Is it a? I know it's not b. The stones in an arch are . . . a. rarefied b. torqued c. under ...

### college physics

By immersing a crown in water its volume is 26inc^3=4.2x10^-4m^3. what would its weight be if it were pure gold? What would its weight be if its volume were half gold and half lead?

### science

. The pyramid of mass demonstrates that ______ a) the same number of organisms is at the top as at the base of the pyramid b) mass is gained as a food chain progresses c) at each link in a food chain, mass is lost d) the mass of the producers in a community equals the mass of ...

### Health and Physical Education

BMI is a ratio to? •Height to body fat •Weight to height •Muscle mass to bone mass •weight to activity level

### Science

0.02 mole of urea is dissolved in 250ml of solution. if density of solution is 1.10 g/ml . calculate percentage weight by weight and percentage weight by volume ?

### PHYSICS

Is the weight of a body the same thing as its mass? Discuss briefly. Is the weight of a body constant at all places on the earth? is the mass?

### Science/Physics

Andee has a mass of 68.5 kg on earth. What is his weight on Earth? What should his mass be in order to have the same weight at the surface of the moon?

### Chemistry

is there an equation to find mass percent....if know concentration and and final and initial volume of a titration lab? there isnt one then how do you find mass percent? M x L = mols of titrant. From the equation, convert to mols of unknown. Mols of unknown x molar mass = ...

### science

As an object get farther from earth is A. its weight increase B.it weight decrease C. it mass decrease D. it weight remains the same I am not sure but is it A(or b)

### physics

if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching by a distance 'd'; proportional to the weight of the mass, when the spring's restoring force cancels out the ...

### physics

if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching by a distance 'd'; proportional to the weight of the mass, when the spring's restoring force cancels out the ...

### Chemistry

Greetings: I was wondering how to calculate the weight/volume % of vinegar using the formula ---------------w/v Per Cent = g/100 mL or grams per deciliter: WHAT WEIGHT DO I USE NaOH, Acetic ACID? the data include: volume of NaOH needed to neutralize Vingegar : 14.24 mL Volume ...

### Composite Materials

Can someone please help with this problem? A burnout test was performed to determine the volume fractions of constituents in a glass/epoxy composite. The following observations were made: Weight of empty crucible = 47.6504 g Weight of the crucible and small piece of composite...

### physical sciene

1) A boy weighs 392 Newtons.What is his mass? 2) A baby weighs 8.0 pounds. What is his mass in slug? 3) An object has a mass of 50 grams. What is its weight in dynes? 4) An object has a mass of 75 grams. What is its weight in newtons?

### % Recovery

How do you calculate percent recovery? I have this info: Weight of sample used: 0.198g Actual weight of sample: 0.325g Other info needed? What you have posted is confusing. What do you mean by "actual weight of sample?" Is that different than the weight of sample used? I ...

### chemistry

Calculate the weight (in mg) of borax Na2B4O7.10H20 required to react with 25.0 mL if 0.100 M HCI No. moles HCl consumed = __________ moles No. moles borax required = __________ moles Molar mass of borax = __________ g mol-1 (Na2B4O7.10H2O) Weight borax required = __________ g...

### Physics(Please help)

A paperweight, when weighed in air, has a weight of W = 6.95 N. When completely immersed in water, however, it has a weight of Win water = 4.26 N. Find the volume of the paperweight. Would I multiply the two values of weight and then by the density of water?

### SCIENCE

Which of the following is equal to the buoyant force of a rock placed in a beaker of water? (1 point) volume of the displaced fluid weight of the displaced fluid volume of the rock weight of the rock

### Chem

The molar weight of MgSO4 is 120.366gmol-1. What is the mass/volume percentage of a 2.5M water solution of MgSO4?

### chemistry

If the molecular weight of a protein is given as 90,000 are the units g/mol or simply g? I have seen mixed answers to this question. It will be 90,000 g/mol since 1 mol will have a mass of 90,000. But many simply drop the the mol and say the molecular weight is 90,000 g and we...

### Chem

In a molecular weight determination, a volume of an unknown gas effused through a small opening in 40 seconds while the same volume of O2 required only 20 seconds for effusion. Calculate the molecular weight of the unknown gas.

### Physics

Suppose a new extrasolar planet is discovered. Its mass is double the mass of the Earth, but it has the same density and spherical shape as the Earth. How would the weight of an object at the new planet's surface differ from its weight on Earth? (Let Wnew be the weight of the ...

### science

Mercury is a liquid metal with a mass density of 13.6g/cm. What is the mass of 10.0 centimeters cubed of mercury? Your units for the mass density should be g/cm^3. To get the mass of any volume V, multiply the mass density by V. In your case, the Volume is V = 10.0 cm^3 You ...

### Physics 101 (I'm stupid)!

And Astronaut wearing an environment suit has a total mass of 130 kg. What is his weight on earth? What would his weight be on Mars where the acceleration of gravity is 3.26? What is his mass on Mars? Why? If he should end up adrift and deep space what what his mask be? Why?

### Physics 101 (I'm stupid)!

And Astronaut wearing an environment suit has a total mass of 130 kg. What is his weight on earth? What would his weight be on Mars where the acceleration of gravity is 3.26? What is his mass on Mars? Why? If he should end up adrift and deep space what what his mask be? Why?

### chemistry

A. What is the mass of Solution 3? in g B. What is the density of Solution 2? g/ml solution 1: Mass Empty Flask (g):42.252 Mass NaCl (g):0.911 Volume Water (mL):100 Mass of Flask + Solution (g):43.107 solution 2: MEF: 45.778 mass nacl:0.897 volume water: 100 mass of Flask+sol:...

### Science

a block of graphite has a mass of 4.4x10 2 kg, a volume of 0.2 m3, a weight of 4.3x10 3 n, and exerts a pressure on the table of 10.7 kpa. what is the density of graphite?

### physics

A 12 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 100 kg mass hanging vertically from a pulley as shown. Compare the accelerations when the masses are interchanged, that is, for the case where the 100 kg mass dangles over the pulley...

### biology

What is the relationship between mass, weight,and gravity? Mass and gravity determine your weight? correct

### Physics

A hollow plastic spherical bobber of mass 0.005 kg and volume of 50 cm3 floats on the surface of a lake supporting a submersed fishhook and a bait with a combined mass of 0.01 kg and a combined volume of 2 cm3. The density of water is 0.001 kg/cm3. If a fish grabs the bait, ...

### physics ---- really dnt get this at all

if friction is set to zero and on planet Earth. Now, if you attach a mass to the spring from its initial equilibrium position, it vibrates forever in simple harmonic motion. Why doesn't it come to rest after stretching by a distance 'd'; proportional to the weight of the mass...

### Chem

A sample of gas of mass 2.929 g occupies a volume of 426 mL at 0degree Cel and 1.00 atm pressure. What is the molecular weight of the gas? Thanks!

### biomechanics

When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as shown in the diagram below. In this position the erector spinae muscles exert a large force on the sacrum at an angle of 40 degree to the vertical ...

### Science

If a block could be molded into a flatter and longer shape, then which one would happen and can you explain? a. mass, volume, and density all would change. b. volume would change, but the mass and density would remaine the same. c. mass and volume would change, but the density...

### matter

What are the three properties of matter and how is matter measured? volume, weight, and mass the solid has a mass of 180g. what is the density of the solid What would the density be of a solid, if I had a mass of 180g?

### physics

TRIAL 1 A. ) Bag A + 6 stones Mass (kg) - 0.037 kg Mass of weight hanger + slotted weights - 210 g/ 0.21kg Tension 1 (N) - ?? Acceleration (m/s2) - ?? B. ) Bag B + 4 stones Mass (kg) - 0.08 Mass of weight hanger + slotted weights - 210 g/ 0.21kg Tension 1 (N) - ?? Acceleration...