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A nugget of gold with a mass of 521 g is added to 50.0 mL of water The water level rises to a volume of 77.0 mL What is the density of the gold?
Wiki User
∙ 13y ago
Assuming the gold nugget is solid and pure (unlikely in real life!)
The volume of the nugget is 77.0 - 50.0 mL = 27.0 mL
So density = mass/volume = 521/27.0 = 19.3 g per mL.
Wiki User
∙ 13y ago
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What is the difference between volume and density?
Simply: Volume (V) is how much space an object takes up whereas density is how "compressed" an objects mass (m) is. Density = m/V Example: Imagine a ton of feathers and a ton of iron. They both have the same mass (weight) but they have different volumes and density.
A piece of metal with a mass of 167 g is placed in a 50 mL graduated cylinder The water level rises from 20 mL to 36 mL What is the density of the metal?
Density = mass/volume = 167g/ (volume displaced) = 167g / (36mL - 20mL) = 167g/16mL = 10.4g/mL. Density is usually recorded in g/cm3 which is the same as g/mL so the density is 10.4g/cc. Also, to be extra correct, the answer should be rounded to 10g/cc because 16mL only has 2 significant figures so that is the number you report in your final answer.
A piece of metal with a mass of 163 g is placed in a 50 mL graduated cylinder The water level rises from 20 mL to 36 mL What is the density of the metal?
The volume of the piece of metal is measured by the difference in the volume of water in the graduated cylinder before and after the piece of metal is placed in the cylinder. This is stated to be 36 - 20 = 16 mL. Density is defined to be mass per unit volume. Therefore, for this piece of metal the density is 163/16 = 10 g/mL. (Only two significant digits are justified, because the is the number of significant digits in the limiting datum 16.)
Can you calculate the volume of an item without knowing the density?
It is quite simple if it is a regular shaped object like a cylinder or a cube. For example if you wanted calculate the volume of a cylinder you need to know the radius of the circular cross-section of the cylinder - this is the measurement from the centre of the circle, to the outer-edge and then multiply that by the height of the cylinder. For irregular shaped objects don't think there is a simple mathematical way if you don't know the density but you can always use water displacement to get a volume measurement. Just drop the object you want to know the volume off into a graduated cylinder partially filled with water - the amount the level rises will be roughly equal to the volume of the object you dropped in.
How is the mass of a rock measured?
You put it on a scale or a triple-beam balance. It'll give you the mass. However, if you have the density of the rock, divide it by the volume to find the mass mathematically. You can also find the volume by the water displacement method, where you placed the rock in a graduated cylinder/beaker filled partially with water and record the difference between the original water level and the raised water level after placing the rock inside the container.
A nugget of gold is placed in a graduated cylinder that contains 80 ml of water the water level rises to 225 ml after the nugget is added to the cylinder what is the volume of the gold nugget?
nugget is 175 ml
A nugget of gold is placed in a graduated cylinder that contains 85 mL of water The water level rises to 225 mL after the nugget is added to the cylinder What is the volume of the gold nugget?
145cm cubed
A nugget of gold is placed in a graduated cylinder that contains 80 mL of water the water level rises to 255 L after the nugget is added to the cylinder what is the volume of the gold nugget?
225-80=145, and 1mL=1cm3. So it's 145cm3.
Is a Nugget real gold or fools gold if a it has a mass of 100.0 g and displaces the water level in a graduated cylinder by 15.0cm3 from 10.0cm3?
density=g/cm3 The density of Gold is 19.3g/cm3 The density of Fool's Gold (pyrite) is 5g/cm3 The question is slightly ambiguous as first written so two calculations are given: # 100/15= 6.666g/cm3 So this nugget is possibly pyrite and not gold. 100/5= 20g/cm3 So this nugget is possibly gold.
What is the weight of a 10kg mass at sea level?
That would depend on the volume (density) of the 10kg object.
How could you find the density of a potato?
first, you weigh it to get its mass. then you acquire its volume, since it has an irregular shape, you apply water displacement method. get a calibrated cylinder, note the initial water level and gently drop the potato in. measure the resulting water level and subtract it with the initial water level. this is your volume. density= mass/volume simply divide what you measured in grams with the volume of the potato (cm3). unit of density is grams per cubic centimeter or g/cm3
How are milliliter and grams related?
mL is a measure of volume. gram is a measure of mass. The most common relationship between them is density, (density = mass/volume). Water has a density of 1 gm/mL. I litre of pure water at sea level weighs 1 Kilogram.
How do you get dentisty when you have measure volume and mass?
Density = (mass) divided by (volume). You must have known that at some level; otherwise, how did you decide that mass and volume were the things to measure, instead of, say, weight and temperature ?
28.5 grams of iron shot is added to a graduated cylinder containing 45.50 milliliters of water The water level rises to the 49.10 milliliter mark From this information calculate the density of iron?
mass = 28.5 g volume = 49.10 ml - 45.50 ml = 3.60 ml density = mass / volume = 28.5 g / 3.60 ml ~= 7.92 g/ml 1 ml = 1 cu cm Therefore density of iron is approx 7.92 g/cm³
What is the densit of metal if 12.24 g is added to 21.27 ml of water in graduated cylinder the water level rises to 25.28 ml calculate the density of the metal?
The difference between the new volume and the old volume is 20 ml. This means that the 60.0 g piece of metal had a volume of 20 ml. Density is given by mass / volume, so this metal has a density of 3 g / 1 ml.
How do you convert dimensions of granite plate into weight?
The average density of granite is 2.7 grams per cubic centimeter (your particular granite may vary slightly, so if you want a high level of accuracy, you should measure it, weight divided by volume equals density). If you have the dimensions of granite plate, you can calculate the volume of that plate; length x width x thickness = volume. And then volume times density is weight.
What is air density?
Air density is the mass of air per unit volume, which changes by temperature, humidity, and elevation. Changes in air density will change its pressure. At mean sea level and 20°C, air has a density of approximately 1.2 kg/m3.
