A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.5924 kg. What is the mass of a single washer in milligrams? Write your answer as a decimal.   ANSWER NEEDS TO BE IN mg

Q: A student is determining the density of an unknown metal with a mass of 256.0 g. The student…

A: First, the volume of unknown metal is determined as follows,

Q: Calculate the volume of a box, in cubic centimeters, which is 423 cm long, 12 cm wide, and 25 cm…

A: Given that the length of box (L) = 423 cm, width (B) = 12 cm, and height (H) = 25 cm The volume of…

Q: Ethanol has a density of 0.789 g/cm3. What volume of ethanol in mL must be poured into a graduated…

A: Rules for significant figure  All non zero integer are significant  Exact number have unlimited…

Q: A brick of metal has these dimensions:  7.07 in  x 9.20 in x 7.15 in.  It has mass 8.1 kg.  What is…

A:

Q: The volume of a gas was measured to be 32.74 liters. If the density is 1.19 g/L, what is the mass of…

A: Denisty Formula density = mass of a gas/volume of the gas Given values  Mass of the gas =?  Volume…

Q: A brick of a certain metal has area on top of 2.15 cm x 5.24 cm. It has mass 1,036 g. How high is…

A: Given that:  Metal area = 2.15cm×5.24cm  Mass = 1.036g  Density = 2.7g/cm3 Density formula : mass ÷…

Q: Calculate the mass in grams of 92.6 ml of diethyl ether, an anesthetic that has a density of 0.713…

A: Density is defined as mass per unit volume of a substance. It is an intensive property which depends…

Q: A 10.00 mL solution of a certain food dye has a concentration of 1.47 g /L. What is the total mass…

A: Given: The concentration of food dye  solution, (C) = 1.47 g/L. The volume of the solution, (V) =…

Q: A graduated cylinder is filled to 10.10mL with water. A small piece of granite is placed into the…

A: In this question we need to find the volume of granite when the granite is placed into the cylinder…

Q: A surveyor measures the length of a surveying chain containing 1000 chain links. The length is…

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Q: spherical glass bulb measures 35.5 mm in diameter. What is the volume of the bulb in cubic…

A: We have given that  A spherical glass bulb measures 35.5 mm in diameter. What is the volume of the…

Q: A pharmacy technician measures the mass of a pill. The mass of one pill is  208   mg . What is the…

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Q: A marine biologist measures the volume of a seawater sample. The volume is 251mL. What is the volume…

A: Since we know that  1.0 L  =  1000.0 mL  So to convert the mL into L , we have to divide the given…

Q: A brick of metal has these dimensions: 8.47 in x 3.34 in x 4.14 in. It has mass 8.3 kg. What is the…

A: Given: Dimensions of brick = 8.47 in × 3.34 in × 4.14 in And mass of brick = 8.3 Kg = 8300 g…

Q: A student is determining the density of unknown metal with a mass of 627.0 g. The student partially…

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Q: A sample of liquid rocket fuel is stored in a sphere-shaped fuel tank that has an inner diameter of…

A: Solution Light metals have high heat unharness, creating them enticing as fuels or fuel elements. As…

Q: A meteor has a volume of 9235 ft3 , what is the mass in kg of the meteor if the density is 0.92…

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Q: Density is a measure of mass per unit volume (or mass/volume). The density of Ben & Jerry’s mint…

A:

Q: A marine biologist measures the volume of a seawater sample. The volume is  1858mL. What is the…

A:

Q: A metal lump has a mass of 30.000 g. When it is placed in a graduated cylinder containing 20.0 mL of…

A: Density is equal to the ratio of mass and volume. Formula used: Density is generally expressed in…

Q: geologist measures the weight of an ore sample. The weight is  2.2603kg. What is

A: We have to find weight in gram

Q: An optician measures the diameter of her patient's pupil. The diameter is 0.0023 m. What is the…

A: We have to predict the diameter in mm .

Q: hardware salesman measures the mass of a box containing  1000  washers.  The mass is  0.7222   kg…

A: We know from the unit conversion in chemistry, to measure small amount we generally used mg,…

Q: The weight of a rock is measured to be 0.097 lbs. After placing the rock in a graduated cylinder…

A: Weight of rock = 0.097 lbs Volume of water = 19.92 mL Volume with rock = 33.21 mL Density = ?

Q: A bakery measured the mass of a whole cake as 0.870 kg. A customer bought one slice of the cake and…

A: Rule for Significant figures (SF) in mathematical operations:(1) Addition and Substraction round by…

Q: A student measures 49.2 mL of concentrated nitric acid, which has a density of 1.53 g/mL. Part A…

A: Density ( d ) :- Density is defined as the ratio of mass and volume of solution. Density(d) = mass…

Q: You have two pieces of metal X and Z that both weigh 5.0 g. X has a density of 12.2 g/mL and Z has a…

A: Density is the mass of substance present per unit volume.  Density = mass/ volume. Unit of density…

Q: How should he record his answer, to the correct number of significant figures?

A: In multiplication rounding off the answer to the least number of significant digits given in the…

Q: You have a 15.0 M stock solution of Superstressin (something that little nervous dogs are known to…

A: By using dilution principle we can easily calculate  given problem. In dilution process no. of moles…

Q: In the lab, a student measures a teaspoon of an unknown liquid. The teaspoon of liquid has a mass of…

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Q: What is the volume in liters of 5.085 pounds of gold? The density of gold is 1.93 g/cm^3. Express in…

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Q: A chemistry student needs 90.0 g of carbon tetrachloride for an experiment. By consulting the CRC…

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Q: A metal alloy pendant is 47.5% gold. 33% lead and 19.5% silver. Its density is 13.8 g/cm3. A metal…

A: Given  Metal pendant contain Gold = 47.5% Lead = 33% Silver = 19.5% Density = 13.8 g/cm3 Volume rise…

Q: A student is determining the density of an unknown metal with a mass of 232.0 g. The student…

A: Given, the mass of unknown metal = 232.0 g Now calculate the volume of unknown metal is determined…

Q: A box contains a mixture of iron spheres and platinum spheres. The total mass of the combined…

A: The ratio of mass to the volume is known as density.

Q: A chemist measures the volume of a chemical solution. The volume is 0.0129 L. What is the volume in…

A: In this question, we will convert the given volume from liters to milliliters using the relation…

Q: A marine biologist measures the volume of a seawater sample. The volume is 1285mL . What is the…

A: Given volume is, 1285mL

Q: You measure a cube and determine that its sides are 0.65m. You place the cube on a mass sacle and…

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Q: A rock was found to have a mass of 72.55 grams.  When the rock was placed in a graduated cylinder…

A: The amount of water displaced when the rock was placed in the cylinder will be equal to the volume…

Q: A solid metal object with a mass of 163 g is added to a graduated cylinder which originally contains…

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Q: A student wants to determine the density of a metal object. They weigh it and find that its mass is…

A:

Q: nurse measures the volume of a drop of medicine. The volume of 1 drop of medicine is 0.87mL. What is…

A: Given    1 drop = 0.87 mL                                   1 mL = 0.01 dL

Q: If you are walking at a speed of 2.5 miles an hour how fast are you moving in kilometers a min.…

A: The speed in kilometers (km) per minutes, it is to be determined. Given: speed = 2.5 miles/hr 1 mile…

Q: A graduated cylinder was filled with water to the 17.2 mL mark and weighed on a balance. Its mass…

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Q: A pharmacy technician measures the mass of a pill. The mass of one pill is 960 mg. What is the mass…

A: According to the question, The mass of the 1 pill = 960 mg The number of pills = 100 Find- The mass…

Q: A student is given the following question: "What is the mass of a gold bar that is 7.379 × 10–4 m3…

A: We know,Mass = Density x Volume

Q: An unknown metal sample weighs 18.1 g. This rubber stopper was placed in the graduated cylinder…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.