0.04 0.07 0.0578 0.0867 0.1156 0.1445 0.10 0.12 0.1926 0.17 0.2407 0.22 0.2889 0.11

Q: Which of the following numbers has the greatest number of significant figures? 103.07, 124.5,…

A:

Q: A student wanted to measure the density, in g/mL, of an unknown metal alloy. They had multiple sized…

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Q: 0.9989 g Volume used (ml) ? Mass of NagHaY 2H20 Initial volume (ml) final volume (ml) 25.25 Thration…

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Q: Part B 0.16 M NAC2H3O2 Express your answer to two decimal places. ? pH = Part C 0.11 M NaCl Express…

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Q: Convert 52 miles per gallon to km per liter. (3.78541 liter = 1 gallon)

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Q: Write the numbers in scientific notation. 291.7=291.7=   ×10?×10x where ?=x=     0.0960=0.0960=…

A: The numbers given are 291.7 and 0.0960.

Q: To how many significant figures should each answer be rounded?   equation A: (6.626× 10−34…

A: To check significant number different concept use

Q: Table 1 Vinegar Sample 1 Vinegar Sample 2 Vinegar Sample 3 Calculations for Sample 1 Mass of 5.00 g…

A: Answer is as follows

Q: The number of particles in 1 mole of hydrogen gas is __________. Express your answer using three…

A: Given : Moles of Hydrogen gas i.e H2 gas = 1 mol.

Q: What percent (%) of 5.0 x 10-3  is 6.4 x 10-5?

A:

Q: What is 2.07•2.008

A: the product of 2.07×2.008 is

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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: 1. Balance the following chemical reaction: C2H5OH • 02 --> CO2+ H20 2. Balance the following…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

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Q: 0.0578 0.0867 0.1156 0.1445 0.1926 0.2407 02889

A: Freundlich isotherm equation as,

Q: How many significant figures should your answer have? 8.101 x 0.10 = %3D O 1 O 2 0 3 O 4 O 5 0 6 07…

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Q: identify the number of significant figures 3.46728 + 14.91 + 0.98001 + 5.231 23.1 + 4.77 + 15.39 +…

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Q: 1) 0.345 g-0.27 g = [Select] 2) 8.159 g/0.95 mL = [Select] g g/mL

A:

Q: 1. Fill in the following table. [H₂O*] (M) 5.9x10² [OH] (M) 3.6x10³ PH 3.9 РОН 6.5

A:

Q: 2. CSH100 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 2.00 2.10 3.10 3.25

A:

Q: ꜱᴜᴘᴘᴏꜱᴇ ᴛʜᴀᴛ ᴛʜᴇʀᴇ ᴀʀᴇ ꜰᴏᴜʀ ᴄᴏʟᴏʀᴇᴅ ᴄᴀɴᴅɪᴇꜱ ɪɴ ᴀ ʙᴏx, ᴛᴡᴏ ʀᴇᴅ ᴀɴᴅ ᴛᴡᴏ ʙʟᴜᴇ, ᴡʜᴀᴛ ɪꜱ ᴛʜᴇ ᴘʀᴏʙᴀʙɪʟɪᴛʏ…

A: Answer 4 :-  Total number of Candies in the box = 4 Total number of red candies in the box = 2 Total…

Q: Is the mixture described in the table homogeneous or heterogeneous? Explain how you can tell.

A: A substance which consists of two or more elements or compounds which are not chemically reactive is…

Q: Which number does NOT have three significant figures? 0.012 O 37.0 3.70 x 105 0.0307 O 0.0370

A: • Significant figures are meaningful digits which are known with certainty.  •There are certain…

Q: the concentration of carbon monoxide in an urban apartment is 48.0 ug/m^3. what mass of carbon…

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Q: ɪɴ ʜᴏᴡ ᴍᴜᴄʜ ᴛɪᴍᴇ ᴡɪʟʟ ᴀ ꜱᴜᴍ ᴏꜰ ᴍᴏɴᴇʏ ᴛʀɪᴘʟᴇ ɪᴛꜱᴇʟꜰ ᴀᴛ ₈% ᴘᴇʀ ᴀɴɴᴜᴍ? ᴀ ꜱᴜᴍ ᴀᴍᴏᴜɴᴛᴇᴅ ᴛᴏ ₱₃,₂₆₇ ᴀᴛ ₇%…

A: Let x be the principal P then 3x will be the amount A Rate of interest= 8% per annum => r=0.08 We…

Q: 1) The number with the most significant zeros is A) 250000001 B) 0.00002510 C) 2.5100000 D)…

A:

Q: A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In…

A: PPM and the PPB are units applied in atmospheric chemistry to represent the concentration of the…

Q: O 1.0. 1.2. 7.0, 13.9 O 1.0. 3.2. 7.0, 10.9 O 1.0. 1.2. 7.0, 10.9

A: [HCl] = 0.10 N Volume = 20 mL  milliequivalents of HCl = 20 mL * 0.1 n = 2.0 meq Before scaling 2.0…

Q: How many significant figures would this calculation have if it were completed: (9.04 - 8.23 + 21.954…

A: The number of significant figures has to be determined.

Q: 0.0289 0.0578 0.0867 0.1156 0.1445 0.1926 0 2407

A: The surface area as, A=N' ×A1

Q: A chardonnay wine is 13.5 percent by mass alcohol. If we consume 24 fluid oz of wine, and the…

A: Percent by mass alcohol = 13.5 % Volume of wine = 24 oz 1 oz = 29.57 mL 24 oz = 709.76 mL or 0.70976…

Q: A chemist must prepare 875. ml. of 335. M aqueous copper(II) fluoride (Cul) working solution. She'll…

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Q: Convert (7.8x10^24) molecules of sodium chloride, NaCl (OR N a C l) to grams of sodium chloride.…

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Q: Aqua regia is an acid mixture that can be used to dissolve gold. Aqua regia has a density of 1210.…

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Q: 0.0289 0.0578 0.0867 0.1156 0.1445 0.1926 0.2407 0.2889

A: The question 3 is explained as,

Q: Based on the given data, what is the Amax of cobalt? 0.1M Cobalt 300 0.451 325 0.467 350 0.584 375…

A: The lambda v/s absorbance data given is,

Q: 0 O XCI2(aq) + O AGNO3(aq) 0 x(NO3)2(aq) + 0 AgCI(s) DONE

A: Given equation  XCl2(aq) + AgNO3(aq) ---> X(NO3)2(aq) + AgCl(s)

Q: How many inches in 5.52 x 10-3 km? (39.37 in = 1 m) %3! O 334 in O 217 in O 12.9 in O 869 in O 1.76…

A: The following relation can be used to solve this unit conversion - 1 km = 1000 m 1 m = 39.37 inches

Q: 10 m to yards 10 km to miles 20 liters to cubic meters 25 yards to meters 10 feet to meters

A: Sns

Q: 267 grams is the same as ___ milligrams. 0.267 267,000 2,67 26,700 0.00267

A: Hello dear welcome on bartleby;   The correct answer is 267,000

Q: [OH ] [H'] 1.0x103 3.6x10 5 pH РОН 6.21 4.84 5.1x10 3

A:

Q: In SI units, land area is measured in hectares (1ha =1hm2) The commonly used unit for land area in…

A: The conversion factor for ha and cm units is,1 ha = 1 hm21 hm = 10000 cmHence, the conversion of ha…

Q: 197.0 g 1 тol X 4 = 1 тol 6.022 х1023 10 10 3. (407.8 рт)3 х 1 рт

A: It is an example of simple unit conversion problems. We can calculate the value by cancelling the…

Q: 0.787 M 0.730 M O 0.763 M 0.270 M

A:

Q: What is the equation of the line when the data in the table below is plotted? Mass is the independen…

A: First we will draw mass vs volume plot. Then we’ll try to figure it out the equation of the line…

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.