Read the buret (burette) volume and report your reading with the proper number of digits. O mL 5 41 10 volume:| mL 15 20 * TOOLS 42 25 x10 30 35 40 45 50

Q: 0.900 y = 0.1215x - 0.0023 R2 = 0.9982 0.800 0.700 0.600 0.500 0.400

A: When a graph of absorbance and concentration is plotted, a straight line is obtained.

Q: Given the density of unknown liquid is 1.2 g/mL, how many grams (g) would 35 mL weigh? Watch sigfigs

A: The density of unknown liquid = 1.2 gml mass of liquid = density x volume  According to unit…

Q: A general chemistry student found a chunk of metal in the basement of a friend's house.To figure out…

A: Mass of metal (M) = 111.2 grams When the metal is dropped into a measuring cup and found that it…

Q: Use mass and volume to calculate the density of aluminum, in g/cm3. Show your work, and report your…

A: Given the mass of Al, M = 13.796 g Volume of Al, V = 5.0 mL

Q: (d) (4.556 g + 0.020 g)/(11.42 mL - 7.17 mL) = i Units

A:

Q: Add 1.345 + 232.54 + 6.5487 and report your answer to the correct number of significant digits.

A: INTRODUCTION: Significant digits are the digits that tells about certain digits taht have…

Q: Write the answer with the correct number of significant digits:                 log(3.456 × 107)…

A: Significant figures in logarithm:  The number of digits after the decimal point equals the number of…

Q: 11. 22.4 kg/L to dag/mL 12. 0.74 miles/min to dm/sec 13. 1.42 g/cm² to mg/mm?

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first three parts…

Q: Perform the calculation, and report the answer to the correct number of significant figures.

A: Perform the calculation, and report the answer to the correct number of significant figures.

Q: 133 Tg О 1.33 х 1010 О 1.33 х 1012 О 1.33 х 108 g О 1.33 х 1014 Part D 1.5 dg -1 О 1.5 х 10g -6 О…

A: Given:-  C)  133 Tg  D)  1.5 dg  To convert : the above values in grams

Q: (0.0045×19000.0)+(2818×11) Express your answer to the appropriate number of significant digits.

A:

Q: (285.0 x 10°)- (1.300 x 10')] × 2.8988 Express your answer to the appropriate number of significant…

A: Following are the appropriate answers of the given questions.

Q: Find the mass of 250.0cm^3 of benzene. The density of benzene is 0.8765 g/mL

A:

Q: LO0 5D 4D00 3000 2000 1500 NAVENUERI 1000 300

A: IR spectroscopy deals with the vibrational transitions of molecule by the absorption of IR…

Q: What is the mass of stainless steel if the volume is 220 cm3? Choices: 35727272.77 kg 1.73 kg…

A: Given that: Volume of stainless steel = 220cm3 We know, density of steel = 7.9g/cm3

Q: How did your record the data for measuring 8 mL, 80 mL, and 400 mL using the graduated cylinders?…

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Q: The density of a pure substance is its mass per unit volume. The density of hexane has been measured…

A:

Q: 5. Write down a volume reading for each graduated cylinder below. Be sure to determine the last…

A: In the graduated cylinder, the bottom of meniscus is used to determine the volume of a liquid.

Q: 1. Convert each of the following to the indicated unit and express your answers in scientific…

A: The given value has to be converted from micrometer to nanometer and is expressed in scientific…

Q: Using the plastic metric ruler, measure the length, diameter, and radius of metallic cylinder.…

A: Measurement is defined as measuring the size of object. Example of measurements are: length,…

Q: At A student completed Part C using a small sheet of aluminum metal (d = 2.70 g/cm³). The sheet had…

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Q: Part 1 Determine the number of significant digits in each number and write out the specific…

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Q: An empty beaker weighs 47.89 g. When completely filled with water, the beaker and its contents have…

A:

Q: A boy found a metal sample which weighed 374 g. The metal displaces 19.3 ML of water. Is his metal…

A: In order to find the whether the given metal is gold or not we first write down the given data:…

Q: Convert the measuring units as indicated. 1. 10560 ft = mi 2. 21120 ft = mi 3. 8800 yd 4. 5 mi = mi…

A: 13). We know, 1 L = 1000 mL Therefore,  (5000 ml)×1 L1000 ml = 5 L 14).  We know, 1 kg = 2.205 lbs…

Q: Express the quantity 33.2 x 10-min mm. a) 33.2 mm c) 0.332 mm b) 3.32 mm d) 3.32 x 10- mm

A: The meter and millimeter both are units of length. The millimeter is equal to one-thousandth of a…

Q: The density of titanium is 4507kg m^-3  I only need help with finding the density of titanium in…

A:

Q: 0.3 mL Oa. Ob. 0.2 mL 0.29 mL C. d.0.35 mL

A: The given burette contains solution with the burette reading between 0.3 and 0.4 mL.

Q: A brick has a mass of 4.0 kg and the Earth has a mass of 6.0 x 10 g. Use this information to answer…

A: Mole interms of mass :   mole  = given mass/ molecular mass   n = w/M    Mole interms of particles…

Q: Convert the following numbers into scientific notation:  1) 923 =  2) 0.00425 =  3) 4523000 =  4)…

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Q: An irregularly shaped piece of metal with a mass of 47.8g is placed into a graduated cylinder…

A: Solution -

Q: 12.79 mL of a liquid has a mass of 15.34 g.  What is its density? Report to four significant digits.

A: Volume of liquid = 12.79 mL Mass of liquid= 15.34 g   We know that ; Density = mass / volume By…

Q: 36. express 0.0345 in exponential form 37. convert 15 °C to degree Fahrenheit 38. convert 0.35L to…

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Q: How would you determine the density of an irregular object? O measure the mass of the object using a…

A: Density :-  The ratio of mass of an object to volume of the object is defined as its density Density…

Q: 3 6. 7 8. 9. 10 11 12 mm 41 1.

A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…

Q: A small amount of resin weighing 4.56g occupies a height of a 10-mL graduated cylinder equivalent to…

A:

Q: Water Volume Water Volume Object Volume Without Object (mL) With Object (mL) Object (mL) Nut 20 23

A: Volume of object can be calculated as  = Water volume with object - water volume without object

Q: 1. Calculate the density in grams/cm? and grams/in?. DIMENSIONS: cm in Length 15.9 6.3 Width 4 1.6…

A: We need to perform calculations for the given blanks.

Q: 3.39×10^−5g to micrograms Express your answer to three significant figures and include the…

A:

Q: kmlday 22. 7500cmisec pounds= mq(2.2046 poundi=lkg) 23. 5.67 %3D

A: Given- 7500 cm/sec  5.67 pounds 1 Kg = 2.2046 pounds To convert - cm / sce to Km /day pounds to…

Q: Express the quantity 33.2 * 10 - 4 m in mm.a) 33.2 mm b) 3.32 mmc) 0.332 mm d) 3.32 * 10 - 6 mm

A: We know that 1 mm = 10-3 m

Q: 1. Convert 42 tons/year to hectograms /second. 1 ton = 2000 pounds 1 pound = 454 grams 1 year =…

A: # Always try to put the value of known unit. # Unit can be written in form of magnitude × unit and…

Q: What is the reading from this graduated cylinder? mL 25 20 15

A: Given,

Q: Tom found a gold coin on the sidewalk that has an actual mass of 25.6 g. He took the ma three times…

A: Accuracy is how close a value is to its original value. It is a measurement of closeness between the…

Q: 1.678 × 10e3 cm3 / 5.55 × 10e-4 cm =

A:

Q: 10. ( IL Y How many millimeters are in 176.0 inches? How many picograms (pg) are in 1.46 x 10³…

A: Given, 10) how many millimetres are in 176.0 inches = ? 11) how many picograms (pg) are in 1.46 ×…

Q: 1. Convert 42 tons / year to hectograms /second. 1 ton = 2000 pounds 1 pound = 454 grams 1 year =…

A: We have convert 42 tons/year to hectograms/second

Q: Density of lead 75.63g (4 rods), start 21.0 ml, end 16.80ml

A: Calculate the density of lead in the given condition---

Q: height of a 100 ml graduated cylinder in cm. =24.11 height in: meters inches km feet

A: Given information,    Height of a 100 ml graduated cylinder = 24.11 cm

Q: (0.0041×20000.0)+(2817×14). Express your answer to the appropriate number of significant digits.

A: The given calculation consists of multiplication and addition.The first part is multiplication.  One…

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.