0.000 012 56 L Express your answer using three significant figures. L Submit Request Answer Part B 3.525 x10² kg Express your answer using three significant figures. ? kg Submit Request Answer Part C 125 444 m Express your answer using three significant figures. ?

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: Convert the following to ordinary decimal numbers 4.995*10^0 8.712*10^1

A: The transformation of scientific notation into corresponding decimal numbers can be done using…

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: A solid with an irregular shape and a mass of 11.33grams is added to a graduated cylinder filled…

A: Given: mass of solid = 11.33 g volume of water in cylinder before adding solid = 35 mL volume of…

Q: Part C HCI(aq) + O2(g) → H2O(1) + Cl2(g) Express your answers as integers separated by commas.…

A: Since,  We know that,  Balanced equation means number of atom in reactant side is equal to number of…

Q: In three trials, a student determined the density of a liquid as follows: Trial #1 Trial #2 Trial #3…

A: Accuracy is defined as “the agreement of a particular value to the actual (true) value of the…

Q: • Part D Hg (1) + HgCl, (aq) → Hg,Cl2 (s) Express your answer using ftwo significant figures. ΑΣφ ?…

A: The given reaction, Hg(l)+HgCl2(aq) → Hg2Cl2(s)

Q: For the following expressions, how many significant figures will the answers have: a)…

A: The final number of significant digit in any calculation is the least number of significant digit…

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: Estimate one more place. Reading will be to the nearest 0.1 mL.             52.8 +/-0.1  mL…

A: Significant figures: These are the numbers that tell us about the correct measurements of the…

Q: Compute 4.659 × 10ª – 2.14 × 10ª. Round the answer appropriately. Express your answer as an integer…

A: We have to compute given equation .

Q: Why are repeated trials of the same measurement desirable

A: Repeated trials means measurement of same  data repeatedly.

Q: a. Round off the number 0.00099957 to three significant figures. b. Calculate the arithmetic average…

A: a) Given : Number = 0.00099957

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: Solve the following for m. Express your answer as an integer: a) −17 + -120/m = 23 (Show your work…

A: We have a) −17 + -120/m = 23 b)112.50 mg - 22.3841 mg + 0.327 cg We know that 1 cg =10 mg or 1 mg =…

Q: A 25 mL graduated cylinder has incremental marks every 1 mL. How many significant figures should be…

A: The burette can be read upto accuracy of 0.1 ml only . And the observation is expressed by as many…

Q: Two students, each made four measurements of the mass of an object. Their results are shown in the…

A: Accuracy : this represent the result how closely to standard Value. Precision : This represent the…

Q: cylindrical tank holds 4.0 kL of water. The radius of the tank is 2.25 ft. What is the height of the…

A: Given data set: The capacity of cylindrical tank=  4.0 kL = 4000 L Radius of the tank = 2.25 ft The…

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: Express your answer to two significant figures and include the appropriate units. HẢ Value Units m =

A: Answer :  Mass of silver= w (let) Molecular weight of silver (M)= 107.86g No. Of electron transfer…

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: Measurement of the density of a solid object. Sample you are using is Tin Volume of water in…

A: Volume of water in cylinder = 31.5 mL Volume of water in cylinder after submerging object = 36.4 mL…

Q: Solve with correct significant figures and units

A: As there are only 2 significant figures in both the valve

Q: Express the following decimal numbers in scientific notation. Round it off to two decimal places.…

A: Two decimal palces is same as the nearest hundredth .

Q: 3 NO2 (g) + H20 (1) → 2 HNO3 (aq) + NO (g) Express your answer using one decimal place.

A:

Q: (2×10^−5)(5.09×10^4) (7.70×10^−8)   Above is listed as a fraction   Express your answer using the…

A: In division , the result will contain the least no. of significant figure among the given numerator…

Q: Use the centimeter ruler and the gray object below to indicate how many certain and uncertain digits…

A: While measuring a object using a ruler, the graduation marks represents the certain digits. The each…

Q: Express 9.8272 x 102  in standard notation. Express answer with 4 significant figures

A: Standard notation of 9.8272 *100 in four digits is 982.7.

Q: 86 g CCl4 Express your answer using two significant figures. ΑΣφ %3D

A: Consider the given information is as follows; Mass of CCl4 = 86 g Number of molecules = ?       We…

Q: Provide the result of (6.5721 × 2.7850) - 9.438 using significant figures properly.

A: Interpretation: The result of 6.5721 × 2.7850 - 9.438 using significant figures is to be provided.

Q: 2.4x10-3 mol Sb Express your answer using two significant figures. m = Submit Request Answer bo

A: Detail mathematical calculation is shown below

Q: 0.000 012 58 L Express your answer using three significant figures.

A: Significant numbers are the meaningful digits. All non-zero digits are significant. Zeroes between…

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: Calculate 5.1234 + 0.033 ÷ 1.650 and report to the correct number of significant figures.   a.…

A: 5.1234  has 5 significant digits. 0.033 has 2 significant digits.…

Q: 1. Consider the following sets of replicate measurements: A B 9.50 8.70 0.972 8.50 8.20 0.943 9.10…

A:

Q: Complete the following problems using correct significant figures. pKb = 10.35 kb = Please…

A: Kb is the base dissociation constant and pKb = -log Kb. So, pKb is used to determine the strength of…

Q: Perform the following calculations: a) 14.86 ml + 15.0 ml + 14.980 ml = b) (42.927 g/ml)(9.00 ml)…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: Part B 2.40x105 Pa Express your answer using three significant figures. ? P = atm Submit Request…

A: Pressure is defined as the force applied by the molecules per unit area. It is expressed in various…

Q: d or subtract the following measurements. Be sure each answer you enter contains the correct number…

A: In addition or substraction answer got the least decimal places.

Q: Round to 3 significant figures 0.0014851

A: Significant figures refer to the number of digits that has contribution to the value or measurement.…

Q: Data collection/Results: Record data in the table provided below. Record your data using the correct…

A: Density = Mass/ volume     Unit of Density    = g/ mL

Q: Round this short operation to the appropriate number of significant figures: (0.270 / (0.460 -…

A: We use BODMAS rule which states we should calculate the Brackets first (2 + 4 = 6), then the Orders…

Q: Part A Express the quantity 689.6 × 10¬12 s in each unit. ms Express your answer using four…

A: Given :-        Time  = 689.6 × 10-12 s  To convert :- the above value in ms and ns

Q: 2.20 (3)(35) Express your answer using the correct number of significant figures.

A: Given value: 2.20/(3)(35)

Q: Express 96.342 m using 2 significant figures   The answer is ……………………………….

A: Given data is 96.342 m  All digits of this number are non-zero Number of non-zero digits in this…

Q: A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using…

A: Given, [NaC2H3O2]=5.2×10-2M[Ba(C2H3O2)2=5.4×10-2M

Q: Solve with correct significant figures and units 2. 58.00mg - 45.22 microgram

A: We have to predict the answer with units and Sig figs.

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.