A student was given Mg ribbon that's 189 mg and 98.7 mm long. If the ribbon is uniform, what length of Mg ribbon would be needed in order to have a measured volume of 44.4 mL of H2?

Q: a researcher is preparing for an experiment that requires 225g phosphoric acid. the only container…

A: We know , Density = mass / volume By using this relation we can calculate the volume of phosphoric…

Q: A mouthwash contains 23.0 %% alcohol by volume. If the bottle of mouthwash contains 315 mLmL , what…

A:

Q: An empty container has a mass of 2.8g. If we added 35.57mL of liquid to the container, the new mass…

A: Density is mass per unit volume.

Q: In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: A) Given : mass of sand = mass of idol And volume of idol = 1.5 L Since mass = density X volume…

Q: Assume a certain adult requires 274 mL of pure oxygen per minute and assume inhaled air contains…

A: Given, A certain adult requires------- 274mL of pure oxygen per minute. The inhaled air…

Q: the liquid 2,3 butanedione has a density of 0.981 g/ml at 18.0 degree celcius.If a 103 gram sample…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of…

Q: What conversion factor is appropriate to convert 862 mm Hg to in Hg (inches of mercury)?

A: Conversion of mm Hg to in Hg

Q: A9.55g sample of a solid was placed in a 15mL flask. The remaining volume was filled with benzene in…

A: Given total mass =19.33 g  mass of solid =9.55 g  Thus mass of benzene =Total mass- Mass of…

Q: Graphite and diamond are both made of pure carbon. Graphite has a density of 2.266 g cm ^-3 and…

A: The density formula is as follows,

Q: Aluminum has a density of 2.70 g/cm3. What mass of Al would displace a volume of 10.25 mL?

A: Given that  density = 2.70 g/cm3  Volume = 10.25 mL mass = ? we know that 1 cm3 = 1 mL hence, Volume…

Q: A 2L bottle of soda is used to pour three 12 oz drinks. How many mL of soda are left in the bottle?…

A: Given Volume of Soda bottle = 2L = 2000 mL = 2000 x 0.03 oz = 60 oz We need to fill three 12 oz…

Q: The formula for making a popular diaper rash paste requires mixing 40 g of zinc oxide powder and 80…

A: we have to calculate the cost of diaper rash paste

Q: A stainless steel rod has a density of 8.55 g/cm3 and a diameter of 5.43 cm. If we want a 556 gram…

A: Density = 8.55 g/cm3  Diameter = 5.43 cm Radius (r) = 2.715 cm Mass = 556 g π = 3.14  Length /…

Q: You have a graduated cylinder filled with 40.0 mL of water. You carefully add a gold cube that…

A: Given , initial volume of water = 40.0 mL             side of gold cube = 20.0 mm Now, we need to…

Q: An adult should have no more than 2303 mg of sodium per day. What is this limit in kilograms (kg)

A: According to the question, the daily limit of sodium intake for an adult is 2303 mg. Given: The…

Q: The density of aluminum is 2.73g/mL. What volume of water (in cm^3) would 54.6g of aluminum…

A: Concept: The volume replaced by aluminium is equal to the volume of aluminium. So, first of all, we…

Q: A student measured the mass of an empty micropicnometer to be 2.000g. A student places 0.500mL of…

A: Part(a): Given that the mass of micropicnometer = 2.000 g Mass of micropicnometer + citric acid =…

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: the volume of ocean is given as 7.53  km3  = 7.53 X 1 × 1015 cm3 = 7.53 X 1015 cm3  since 1 cm3 = 1…

Q: A precipitation forms when solutions of lead (II) nitrate and potassium iodide are mixed. Write the…

A: The compound of the nitrate is completely dissolved in the aqueous solution while the compound of…

Q: A chemist makes 960. mL of mercury(II) iodide (Hgl,) working solution by adding distilled water to…

A: This is an example of dilution .

Q: An infant ibuprofen suspension contains 100 mg per 5.0 mL suspension.  The recommended dose is 10 mg…

A:

Q: The density of water is 1.00 g/mL. If your swimming pool holds 208,000 gallons of water, what is the…

A:

Q: Convert 68.4 cm^3 to cubic meters

A: This question is related to unit conversion. Cubic meters and cubic centimeters are the units of…

Q: If a 3.25 L sample of pure glycerol has a mass of 4.10×10^3 g -what is the density of glycerol in…

A:

Q: the summers in joushua tree can be extremely hot. a hiker sets out on a 25 km hike and expects to…

A: In unit conversion one unit is converted into other unit by using multiplicative factor.

Q: What volume of water (ml) would a 51.4 g sample of pure gold displace? The density of gold is 19.3…

A:

Q: A pharmacy technician is asked to prepare an antibiotic IV solution that will contain 500 mg of…

A: A pharmacy technician is asked to prepare an antibiotic IV solution that will contain 500 mg of…

Q: c) A metal sample has a mass of 7.56 g. The sample is placed into a graduated cylinder previously…

A: Given :  Mass of metal=7.56 g Initial volume=20.00 mL The final volume of water= 21.68 mL Volume of…

Q: Sodium Chloride was placed in a beaker and the beaker and the sodium chloride together had a mass…

A: This problem is based on the simple additive properties of mass. Mass of a system is equal to the…

Q: A chemist adds 800.0 mL of a 50.0 g/dL calcium bromide (CaBr,) solution to a flask. Calculate the…

A: Given, volume of solution added = 800.0 mL       and, concentration of calcium bromide solution =…

Q: A chemist must dilute 73.3 mL of 108. pM aqueous silver(II) oxide (AgO) solution until the…

A:

Q: Calculate the volume in liters of a 1.7 × 10 mmol/L mercury(I) chloride solution that contains 700.…

A: Molarity is defined as total number of moles of solute present in 1000ml of solution . Given=…

Q: The volume of a cylindrical object is 30.0 m3.  What is the volume in in3?

A: Given :-  Volume = 30.0 m3  To convert :-  The given volume in in3

Q: A physician has ordered 375 mg of Torecan to be administered to a patient, which is an intramuscular…

A: The amount of Torecan ordered by physician to patient is 375 mg. The amount of Torecan available in…

Q: How many ounces of gold are in a 14 karat gold that weighs 2.9 ounces?

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.