. What is the amount of micrograms given 52 grams? 2. What is the amount of kg given 132,000 ng ? Answer in correct significant

Q: [Report answer to correct number of significant figures] Convert 440 cm² to mm². 4.40 mm² 44 mm²…

A: Here, we have to convert 440 cm2 to mm2.

Q: baking soda, (OH ]-4.7 x 10-0 M Express your answer using two significant figures. VO AEO ? [1,0 ]-…

A: The relationship between the [OH-] i.e hydroxide ion concentration and [H3O+ ] i.e hydronium ion…

Q: What is the mass of a metal sample with a volume of 8.9 mL and a density of 5.2 g/mL?  Do not…

A: Given values, Volume= 8.9 mL  Density= 5.2 g/mL Mass= ? So, we have formula, Density = mass/ volume…

Q: What volume (in mL) would an object have if the object has a mass of 7.291 g and a density of 11.5…

A: Given  Mass of object = 7.291 gram  Density = 11.5 gram/mL  Volume = ?

Q: Convert 3.00 yards to to dm (decimeters) dm How many significant figures should the answer be…

A: 1 yard = 9.144 dm

Q: Question 45 of 48 A liquid in the lab has a density of 1.17 g/cm. What is the volume in liters of 3.…

A:

Q: Perform calculation, and give an answer with the correct number of significant figure

A: The significant figure is the number of digits that are considered to have a reliable data source.…

Q: What is the volume (in cm3) of a 36.7 g piece of metal with a density of 6.95 g/cm3? Group of answer…

A: Density of a substance is the ratio of mass of the substance to its volume. ---------------- (1) By…

Q: B. 100 mL Graduated cylinder Calculated density of water (g/mL) Trial Volume of water (mL) Mass of…

A: A question based on properties of liquid that is to be accomplished.

Q: 0.1% = ? ug/ml? Only include the number and not any units b) What is the concentration of your…

A: In the question it is given that 0.1 % mass by volume so we have to to convert this into  microgram…

Q: What would the mass of a metal sample have if the sample had a volume of 10.8 mL and the metal had a…

A: Given: The volume of metal sample= 10.8 mL The density of the metal sample= 2.10 g/cm3 Mass of metal…

Q: I need to know the experimental mass and density of the saline solution, using the graduated…

A: Using the graduated cylinder data: Mass of empty beaker = 31.344 g Mass of the beaker after first…

Q: Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using the…

A: in a numerical value, the number of meaningful digits are known as significant figures.

Q: Perform calculation, and give an answer with the correct number of significant figure

A: The correct significant figure has to be calculated.

Q: Constants Tigures Part A while 600 x 195 Express your answer with the appropriate number of…

A: Rules for significant figures in Multiplication and Division. First determine the significant…

Q: Provide the answers with proper number of significant figures in the following operations. pls…

A: We know the default base of logarithm is 10.  To find the antilog we need to divide the given number…

Q: How would you solve 178.45-0.033x10^3, with the appropriate amount of significant figures

A: Answer: In addition and subtraction operations, number of significant figures after the decimal in…

Q: 1  The correct result (indicating the proper number of significant figures) of the following problem…

A: Since there are multiple questions, we are authorized to answer only one question at a time. Please…

Q: 0.000 012 56 L Express your answer using three significant figures. L Submit Request Answer Part B…

A: Given: 0.00001256 L it has 9 significant figures it can be written as  1.25 x 10-5 L has only 3…

Q: A 20.20 gram irregular piece of metal is placed in a graduated cylinder containing 20.20 ml of…

A: Density - It is a measure of mass of a substance per unit volume . Density = massvolume

Q: Part A The density of iron is 7.87 g/mL. What is the mass of a 2.00 cm x 4.00 cm x 1.00 cm block of…

A: Given Density = 7.87 g/ml

Q: 2×10−5)(5.09×104) (7.70×10−8)   Above is listed as a fraction

A: Applying concept of significant figures.

Q: baking soda, [OH ]= 4.7 x 10- M Express your answer using two significant figures. | ΑΣφ ? M Submit…

A: [OH-] = 4.7 X 10-6 M first we will calculate pOH  pOH = - log [OH-]         = - log 4.7 X 10-6…

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

A: Part A :  Mass of a whole cake = 0.870 kg  Mass of one slice = 0.1151 kg  Mass of the remaining cake…

Q: Q9. Convert 2855 mg to kg.(a) 2.855 * 10-3 kg(b) 2.855 kg(c) 0.02855 kg(d) 3.503 * 10-4 kg

A:

Q: What will be the average density for a sample of metal with a mass of 12.6 g and volume calculations…

A:

Q: aver Volume of Objects Object Volume (mL) Water Volume Water Volume With Object Without Object (ml.)…

A: Ans) Water volume with Object = 23 mL Then the volume of Object = Water volume with Object - Water…

Q: What is the % mass of iron in iron (II) oxide?  Report your to answer to 2 decimal places

A: persentage iron =( atomic mass of Iron/ molar mass of FeO) * 100

Q: Part A Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using…

A: # Part-A: The given multiplication is 3.5 * 4.48697 When we multiply or divide two or more numbers,…

Q: MISSED THIS? Read Section 1.8 (Pages 26 - 33) ; Watch KCV 1.8, IWE 1.8. A gas can holds 5.8 gallons…

A:

Q: Give the correct significant figure answer for the density of a substance that weighs 3.765 g and…

A: Given, mass of substance = 3.765 g Volume of substance = 4.00 mL

Q: 6.9 g H2O Express your answer using two significant figures. ΑΣΦ ? Ni = Submit Previous Answers…

A: Moles: It is one of the fundamental unit that is used to define amount of substance. It can be…

Q: Specific Gravity question-A urine sample has a density of 1.030 g/mL. What is the specific gravity…

A: Specific gravity of a substance can be referred as the ratio of the density of that substance to the…

Q: The area of a telescope lens is 6.930 × 10' mm². (a) What is the area in square feet (ft")? (Answer…

A: here we are required to find  the area of telescope lens in the unit of square feet

Q: Part A pH 9.0 Express your answer using one significant figure. (H3O*] = M Submit Request Answer…

A: The pH of a solution measures the hydrogen ion concentration on the negative logarithm scale. It can…

Q: Questions 1. A cube of plastic 1.3 X 10- km on a side has a mass of 2.1 g. What is its density in…

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: Solve the following: 1. A handful of sand has a mass of 208 g and displaces a volume of 80.0 mL.…

A:

Q: Show all  computations  and  express final answer in  sig  fig  and  scientific  notation.  Box  out…

A: Given,9.55 g/mLRequired,                   Conversion of g/mL into centigram/dm3 .

Q: Show calculations setups and answers for the following problem:  An empty graduated cylinder weighs…

A: Given the weight of empty graduated cylinder and also given the weight of cylinder with an unknown…

Q: A 2.26 liter glass bottle is full of oil. Assume it contains 2.26 L of oil.  The density of oil is…

A:

Q: K = 1.8x10-28 Previous Answers v Correct Correct answer is shown. Your answer 1.78-10-2 = 1.78x1028…

A: We have to find the value of equilibrium constant.

Q: Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when…

A: Given     mass of object = 149.8 g  Volume of object = 12.1 mL   To find : density of an object

Q: Two students each measured the density of a liquid three times and recorded the following data in…

A: Here, we have to find out which solution is more accurate and precise.   Given: true density = 2.085…

Q: A person is 6 feet 9 inches tall; how many cm tall are they? 2.54 cm = 1 in. Report your answer with…

A: Given :  Height = 6 feet 9 inch  2.54 cm = 1 inch

Q: Calculate the density of an object if its mass is 6.259 g and a volume of 2.372 cm3 . Input your…

A:

Q: If the mass of an empty 9.7 ml pycometer is 10.1 nd the mass of the same pycometer with an unknown…

A:

Q: Answer using the metric system conversions. Show work and correct significant figures  01.00cm= m…

A: The general conversion of units are given as,

Q: Water hardness is expressed as parts per million calcium carbonate. If there are 850 ppm of calcium…

A: 1 ppm = 1 mg/mL ; ( 1mg of solute is present in 1 mL of solution) If water is the solvent then: 1…

Q: A shampoo reads 11.6 ounces and 15% more than its competitors. Deduce the number of ounces for…

A:

Q: An athlete with a body mass of 55 kg has 3.0 % body fat. How many pounds of body fat does that…

A: 1 lb = 454 g 1 kg = 1000 g

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.