2 1427 Stanton

Q: Iron(III) chloride is used to treat drinking and waste water. It can be made by reacting iron with…

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Q: mass= 10.0 g; volume= 6.37 mlcalculate the density in grams per milliliters

A: Formuladensity = mass (g)/volume (ml)Given,mass = 10.0 gvolume = 6.37 mlSo,density = 10.0 g/6.37 ml…

Q: How many miligrams are in 612 grams?

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Q: To prepare for a laboratory period, a student lab assistant needs 525 g of a compound. How many…

A: Given, Mass of compound = 525g

Q: How many cubic centimeteres are in 12.60 cubic feet?

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Q: A sample of a pure aluminum halogen compound with a mass of 34.0 g contains 19.1 g of the unknown…

A: percent composition of halogen = mass of halogenmass of aluminium halogen * 100

Q: how many grams are in 11 kilograms and how many millilters are in a 0.076 liters?

A: It looks like there are two parts in the question. Please find the solution below,Part a:  How many…

Q: How many picometers are there in one meter?

A: Metre is the fundamental unit of length in the metric system, from which all other length units are…

Q: Do the following calculation of measured masses from an experiment: 73.4 g - 61.418 g Calculate…

A: Given  73.4 gram - 61.418 gram  Resultant value in correct significant figure = ?

Q: A total mass of 8 identical packets of potatoes is 3.68 kg. what is the total mass of 12 such…

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Q: A student measures out a 50.3 g sample of sodium hydroxide. What is this mass in kilograms (kg)?

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Q: How many ft3 are in 40.0 gallon?

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Q: How to tell whether a property is physical or chemical

A: Physical properties are the properties such as colour, melting point,hardness,density and doesn't…

Q: A student determined that the mass of four pennies was 18.5grams. Use this information to calculate…

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Q: If a lake has a surface area of 13.5 km? and an average depth of 17.4 m. What is the volume of the…

A: The surface area of a lake = The average depth of the lake = We have to calculate the volume of the…

Q: If there are 28.35 grams in each ounce, and each marble weight 0.16 oz. What is the molecular weight…

A: Solution is given below.

Q: How many significant figures are in each of the following measured quantities?

A: All non zero numbers are significant. Zero at starting (left) are not significant. Zeroes in last…

Q: 0.007 decigrams is equal to how many micrograms?

A: 0.007 decigrams is equal to how many micrograms has to be given.

Q: An object has a mass of 0.0124kg and a volume of 1893mm3. What is it’s density in grams per cubic…

A: Given:As we need to calculate the density in g/cc convert the mass into g and volume into cc.Mass =…

Q: A quantity of water is poured into a graduated cylinder, which then reads 156 mL. What is the mass…

A: Given : volume of water = 156 mL

Q: Mass of picnometer + liquid, mass of liquid is 30.708g, mass of picnometer + liquid is 61.005g, what…

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Q: A student mixes some soap with water and then blows through a straw into the solution. is it a…

A: Physical changes are those which do not involve any chemical reactions to be taking place only the…

Q: A rock is placed on a balance and its mass is determined to be 20.140 g. When thesame rock is placed…

A: • The values provided in the question are:-  i) Mass of a rock, m = 20.140 g  ii) Initial volume of…

Q: combined mass of ten raindrops in grams?

A: Given : The mass of a raindrop = 8 milligrams or 8 mg

Q: Density of Unknown Solid, mass of picnometer + metal + water is 75.167g, what is the number of…

A: All the non-zero numbers are significant figures and zeroes between two non-zero numbers are…

Q: If the recorded mass of a metal block is 78.180 grams, how many significant figures are in that…

A: Significant figures are the digits in a number that indicates reliability of a measurement

Q: A sphersical steel has a mass of 34.75 g and a diameter of 9.40 mm. What is the density of the steel…

A: The density is defined by the ratio of the mass to the volume.

Q: Earth's oceans contan 3.5 x 108 mi³ of water and cover an area of 1.40 × 108 mi². ▼ Part A What is…

A: Given -> Volume of water contained by earth's ocean = 3.5 × 108 mi3 Area covered by ocean= 1.40 ×…

Q: how many grams are in 370 milligrams?

A: Given: Mass = 370 mg

Q: How many significant figures are in each of the following measured quantities?

A: Given,      36000000 km

Q: A modern Lincoln Penny weighs about 2.5 grams. What type of property is this?  extensive  normal…

A: The properties which are varying with the amount of substance are known as extensive properties.…

Q: how many micrometers are in 1.00 kilometers?

A: It is required to calculate how many micrometers (µm) are there in 1 km.

Q: A sample of waterer (density is 0.998 g/mL) is measured to be 25.7mL. What is the mass of water in…

A: Mass = Volume x density

Q: 4398 mg to kilograms

A: We are asked to convert 4398 mg to kilograms (kg)

Q: An irregularly shaped rock weighs 268.42 kg. It is placed in a cylinder that has 50.6 L of water.…

A: Given, Note: 1 Kg = 1000 g Mass of rock = 268.42 kg = 268.42 × 1000 g = 268420 grams Initially,…

Q: for this question, what would the correct number of significant figures be?

A: Concentration of KOH = 0.626 M The mas of MOBS=  5.00 g  pKa=7.48 and formula mass is 223.29 g/mol)…

Q: A humidifier located at a nursing station holds 4.00 galloons of water . How many fluids ounces of…

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Q: In the former British monetary system, one pound consisted of four crowns, each crown was worth five…

A: One unit is converted into other by multiplicative factor .

Q: If a red and green solution are mixed and an orange mixture esults, is this evidence of a physical…

A: Physical change is the change in which physical property of the compound changes and it is…

Q: If 15 grams of US quarters contain 13.75 g of copper, what is the percentage copper in the quarter?

A: Given data:

Q: An engine has an internal combustion volume of 3.26 liters. What is that volume in cubic inches?…

A: Given  Volume =  3.26 Liter  Volume in the unit of  (Inch )3. = ?

Q: Density of .80/cm3 if u have 60cm3 of the substance what would it’s mass be?

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

Q: An empty flask has a mass of 56.458 grams. 50.0 mL of an unknown liquid are added to the flask and…

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Q: A dose of medication was prescribed to be 35 microliters. Which of the following expresses that…

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Q: If a lake has a surface area of 13.5 km2 and an average depth of 17.4 m. What is the volume of the…

A: Surface area = 13.5 km2  Depth = 17.4 m  Volume = ?

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.