Show your work. A quarter weighs 5.75 grams (g). Find the mass of a quarter in kilograms (kg).

Q: bedroom has a volume of 108 m^3. What its volume cubbed (dm^3)?

A: A bedroom has a volume of 108 m3.  What its volume cubbed ( dm3 )

Q: A pycnometer weighs 21.62 g. Filled with water, it weighs 46.71 g; filled with another liquid, it…

A: Record the given data, pycnometer weight = 21.62 g         [H2O]1 weight = 46.71 g         [H2O]2…

Q: oven cleaner, with [H3O*] = 1.0 × 10-12 M Express your answer using two significant figures. ?…

A: We know that   [H3O+] [OH-] = 10-14

Q: Could you express your answer as a conversion factor please? This answer makes no sense as Chem101…

A: To Provide the final answer in the format of conversion factor.

Q: CM 12 China Shape Sheet Version D CM China 12 10 CM 12 China 2 3

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Q: A rectangular object was found to have a mass of 1.278 kg and density of 4.98g/cm34.98  g/cm3.…

A: Given, Length of a rectangular object is --- 61mm Width is ------ 47mm Density of the object is ----…

Q: An open buret drops 7.5 drops/second of a liquid with a density of 0.714 g/mL.  Each drop is 16.5…

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Q: What is the volume of a sample of mercury (d = 13.6 g/ml) which weighs 1000. g?

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Q: • Part B O2 (8) +2H20 (1) + 2Cu (s)+40H (aq) + 2Cu (aq) Express your answer using two significant…

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Q: H2(g) + Pa(g) = PH3(g) Express your answer to two significant figures.

A: Given32H2 (g)  + 14P4(g)  ⇌  PH3(g)∆Gf0H2 = 0 kJ/mole∆Gf0P4 = 24.4 kJ/mole∆Gf0 PH3 = 13.4 kJ/moleT =…

Q: You have saved up 921 dollars (exactly) in pennies. If each penny weighs 2.0 grams, how many pounds…

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Q: Consider the following solids. The solids A, B, and C represent aluminum (D = 2.70 g/mL), gold (D =…

A: •  Density = MassVolume→           Density  ∝ 1VolumeSo,         if volume increases ⇒ Density…

Q: 2300 + 146.11 significant figures express your answer with the appropriate number of sig figs

A: A significant figure is defined as the digit which denotes the least number of digits that can be…

Q: Be sure to use correct significant figures and units in all of your answers which involve…

A: The average mass of a human liver is 1.5kg. Convert this quantity to 1. Grams We know that 1…

Q: Express your answer to the appropriate number of significant figures. 1250.5+7.50+6.00

A: given, 1250.5+7.50+6.00 = ?

Q: I am allowed to work with someone I just don’t understand this Using the Volumetric Pipet Data from…

A: 10 mL graduated cylinder is most accurate and 100 mL beaker is least accurate.In the 10 mL graduated…

Q: Please i need to answer all the questions. And for question six her is a picture of the model

A: Ionic bonds are formed by transfer of electrons while covalent bond are formed by sharing of…

Q: Calculate the volume (in cm3) of a cylinder with a measured height of 12.86 cm and a diameter of…

A: Given  Height of measuring cylinder ( h ) = 12.86 cm  Diameter ( d) = 5.45 cm  Volume in cm3 = ?

Q: An unknown piece of metal weighs 526 g and has a volume of195 cm3. Identify the metal and justify…

A: Given mass=526g Volume=195cm3 Density=mass/volume Density =526/195=2.69g/cm3 This metal is aluminium

Q: There are 2 parts to this question. pt. 1. Circle the metal most likely used in the jewelry samples…

A: it is relative error in any experiments which tells about accuracy of measurement,  lower the…

Q: The mass of a proton is about 1.007276 . Convert this number into grams and picograms. The radius of…

A: Proton is a subatomic particle present in the nucleous of an atom. It's mass is 1.007276 amu. 1 amu…

Q: A buret delivers water at 25 "C from the 0.05 mL mark down to 20.00 mL. The mass of the water is…

A: Given the volume of water is measured at 25 oC.  At 25 oC, the density of water, d = 0.997044 g/mL…

Q: Which of the following three items weighs the most? A. a 100 lb bag of potatoes B. a 15 gallon…

A: A.Of the three given items first consider the 100 lb bag of potatoes. The unit lb is used to denote…

Q: 2. A thermometer reads 36, it is place inside the oven, after 1, 2 minutes the thermometer reads 60…

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Q: Determine the number of significant figures

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: Which has the correct answer?                  (in significant figures)…

A: Significant numbers are very useful for accurate measure of any measurement.

Q: Milk in a 4 x 6 x 10 cm tetrabrick weighs 450g. Find the density and specific gravity of milk

A: Volume = 4×6×10= 240 cm3 Mass = 450 g Density  = mass/volume      = 450/240 = 1.88 g/cm3

Q: Given the density of Gold is 19.3 g/cm^3 a) Determine the mass of gold (in grams) in an ingot with…

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Q: 100- 98- 96- 94- 92- 90- 88- 86 84 82 80 78- 76+ 4000 3533 Aña 3402.5 3500 3002.41cm-1 2916.20pm-1…

A: The IR  tells about The functional  group present in the molecules.

Q: The mass of a proton is about 1.007276 . Convert this number into grams and picograms. The radius of…

A:

Q: The density of lead is 11.3 g/mL. The water in a graduated cylinder initially at 210 mL rises to 285…

A: Given: density of lead = 11.3 g/mL. Initial volume of liquid in cylinder = 210 mL Final volume of…

Q: A method of analysis yields masses of gold that are lower by 0.40 mg. Calculate the percent relative…

A: The percentage relative error is percentage discrepancy in finding out the exact value of a…

Q: P1000 Weight 1 (g) Weight 2 (g) Weight 3 (g) Weight 4 (g) Weight 5 (g) 1000 µl 1.1 0.95 0.94 0.98…

A: The volume occupied by a substance provides information about the space occupied by the substance in…

Q: One milliliter (mL) of pure water has a mass of 1 gram (g). You add 100 mL of water and 100 mL of an…

A: A separatory funnel is used to separate two immiscible liquids, 2 layers are seen in a separatory…

Q: What is the density of a metal sample if 15.12-g sample is added into a graduated cylinder increased…

A: Mass of the sample = 15.12 g Calculation of volume of the sample: Volume=40.60 mL-35.00 mL=5.6 mL

Q: Calculate the percent error in the calculated density. Show your work. % emr = [Measured valeu-…

A: Trial  Volume of water (ml) Mass of water (g) Density of water (D) (g/ml)=Mass/volume D-X (D-X)2 1…

Q: Foundation Of College Chemistry can you please give me the answer  step by step How many significant…

A: Significant figures are used to express the degree of accuracy of an answer. The rules for…

Q: Find the volume of air in an empty rectangular box. USE SIGNIFICANT FIGURES. L = 21.2 cm W = 14.50…

A: The box is rectangular in shape. The dimensions of the box is as follows: L = 21.2 cm (three…

Q: A steel ball-bearing with a circumference of 26.1 mm weighs 200 mg. What is the density of the steel…

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Q: A class of chemistry students measured the density of an unknown liquid. If the correct density of…

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Q: Butter has a specific gravity of 0.85. What is the mass, in grams, of 3.20 LL of butter?

A: Applying formula of specific gravity.

Q: Students Trials A 1. 13.6 mm 13.4 mm 13.9 mm 13.9 mm 13.3 mm 13.6 mm 13.5 mm 13.5 mm 13.4 mm 13.9 mm…

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Q: height of a 100 mL graduated cylinder is 24.0 cm what is it in: m inches km feet

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Q: Pics 1 Word: Make a scientific guess of the word/s that can represent the pictures presented in each…

A: These pictures  are related to the current situation of the pandemic that is COVID 19 . These are…

Q: Which is more accurate, a transfer pipet or a measuring pipet? How much is the uncertainty in…

A: Micropipettes are precision instruments that are designed to accurately and precisely transfer…

Q: 10,000 cm3 is equivalent to what volume? Show work 0.01 m^3 and 10 L 10 L O0.01 m^3 1000 mL 0.01…

A: Given  Volume = 10000 cm3 To be determined Volume = ________L Volume = ________ml Volume =…

Q: Complete the table below.   dg = 6 g 5 ks =   s   cm = 9 m 2 ML =   L

A: Complete the table below.

Q: A block of aluminum is 25.5 mm x 2.63 cm x 0.835 cm high. How much would it weigh? Show your work.

A: Given : Length = 25.5 mm  Width = 2.63 cm  And height = 0.835 cm  Since 1 cm = 10 mm Hence length in…

Q: Convert 1 PSI (pound square inch) to PSF (pound square feet) :

A: Given :-   1 psi pressure To convert :-  1 psi to psf

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.