(3) Convert your result in question (2) into lb (pounds).

Q: How many miles of iron are contained in 1.55 kg of iron?

A:

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: Perform the following calculation, reporting your answer to the correct number of significant…

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

Q: What is the minimum mass of galena PbS, a lead ore, from which 7.5kg of pure lead could be…

A: Given data  7.5kg of pure lead (Pb) find minimum mass of galena PbS,

Q: Sodium metal is a soft silvery metal. Sodium metal reacts vigorously with water to produce sodium…

A: Given, Sodium metal is a soft silvery metal. Sodium metal reacts vigorously with water to produce…

Q: Ammonia (NH,) chemically reacts with oxygen gas (o,) to produce nitric oxide (NO) and water (H,0).…

A: Given data is as follows: The mass of ammonia given = 1.2 g The mass of oxygen gas consumed = ?

Q: If you have 4.25 grams of Ag2O, how many moles of Ag2O do you have?

A: given: mass of Ag2O = 4.25 grams molar mass of Ag2O = 231.735 g/mol we need to calculate moles of…

Q: 16 oz = 1lb 200lb=1T 1oz =28 g 1lb= 0.45 kg 1T=0.9t 71lb to g 71lb =___ g using the given,…

A:

Q: Determine the answer to 14.3 / 0.00920 using the correct number of significant figures.

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: Rewrite this number in nonscientific notation, to the correct number of significant figures. 5.15 x…

A: The nonscientific notation of the above number is given below

Q: combined mass of ten raindrops in grams?

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

Q: Least count of the balance 0.1 g   1 21.0 24.0   Mass of solid, reading 1 25 g   2 19.0 21.0   Mass…

A: Concept: Density = Mass/ Volume To complete the table using the given experimental data

Q: Please provide the correct number of significant digits. (aleks is saying significant figures is…

A: Here, in a question tabular data is given. We need to find the missing values. Ka = Dissociation…

Q: Complete the following equation and express your answer with the correct number of significant…

A: The rules for significant figures in addition and multiplication are as follows:  Addition and…

Q: Convert 460.3 ml to quarts. Express your answer with the correct number of significant digits.

A: Since we know that 1 milliliter (ml) = 0.001056688 quart (qt). Where ,  Milliliter (ml ) is a unit…

Q: Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water.…

A:

Q: would this answer be following the correct number of significant figures

A: For a given question, the answer should be reported in required number of significant figures if…

Q: A chemistry student needs 35.0 g of tetrahydrofuran for an experiment. By consulting the CRC…

A:

Q: Calculate the density of aluminum if it has a mas of 83.6g and a volume of 23.99 mL. Use correct…

A: Weight of Aluminium = 83.6 gm Volume of aluminium = 23.99 ml

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 16.8 g of carbon…

A: Balanced chemical equation for the reaction is given below.

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: How many moles of water were lost if the amount of water lost was 0.378 grams?  Do not include units…

A: The moles of water that were lost if the amount of water lost was 0.378 grams are to be calculated.

Q: Give correct detailed Solution..show work..don't give Handwritten answer..don't use Ai for answering…

A: mass = 3.8E4 gExplanation:Given values:Density (ρ) = 19.3 g/cm³ (3 significant figures)Length (l) =…

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: 8 9 For the following questions, Perform the operation an express your answer in scientific notation…

A: 7)When multiplying and dividing, the answer should have the same number of significant figures as…

Q: A mountain hiker found a chunk of shiny metal on the trail.  He wanted to find out the identity of…

A:

Q: Ammonia chemically reacts with oxygen gas to produce nitric oxide and water. What mass of ammonia is…

A: Moles of oxygen can be calculated as:

Q: D Question 4 Consider an object that is in the shape of a cube with a mass of 45.8 grams. If the…

A: Answer:Density of an object is the ratio of its mass and volume as shown below:Here:

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: The significant figure rule for the division and multiplication is that the final number should…

Q: Select the single most accurate method for measuring the volume of an irregularly shaped unknown…

A: The density of an object is the mass of the object present per unit of the volume. The units of…

Q: How many significant figures would be in the answer to the problem 1.562-1.51?

A: The 0 in a number at last which has no decimal point is not considered significant. For example, 500…

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.