H,O" Express your answer to two significant figures and include the appropriate units.

Q: Perform the following operations and answer with the correct number of significant figures AND…

A:

Q: Convert the value 3.35x10-8 L to use unit prefixes.

A: The given value is 3.35x10-8 L. We can convert this number into the unit prefixes as follows:

Q: When the calculation (2.31)(4.9795x10^3)(1.9971x10^4) is preformed, how many significant digits…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: Convert 622 µL to mL (you must convert it back the metric base unit fırst): Show set-up in…

A: Given: Volume = 622 μL

Q: Significant figures are the indication of what? Why? (Please explain it shortly and easy to…

A: Accuracy measures the closeness between the calculated and observed value. Precision measures how…

Q: All nonzero digits are significant. State a rule that tells which zeros are significant.

A: Significant figures can be defined as the total number of digits that are present in a number…

Q: uffer. ng two decimal places. ?

A: A) mmoles of acid = ( 160.0mL ) • ( 0.20M ) = 32mmol  B) mmoles of base = ( 75.0mL ) • ( 0.25M )…

Q: Which answer represents the measurement 0.00569 g rounded to two significant figures?

A: Rules to rounding significant figures :- 1) " If the rightmost digit to be removed is  >5 then…

Q: The number 5492.517 rounded to 3 significant figures is?

A: 5490

Q: The number 3332.914 rounded to 3 significant figures is

A: Answer is given below

Q: significant figures

A:

Q: Perform the following calculation: g -0.00030- x 20.0°C °C x cm³ What is the answer to the…

A: Multiplication and division of significant figures :- The result of multiplication or division…

Q: Enter all measured data, and certain final answers to the correct number of significant figures as…

A: In this question, the values of the following are given with the correct number of significant…

Q: cientific notation rounded to three significant figures.

A: Given,  Wavelength (L) = 220 nm = 220×10-9 m Energy(E) = hc/L    = 6.626×10-34 × 3 ×108/220×10-9 =…

Q: Calculate the mass of scheelite (CaWo,) that contains a billion (1.0 × 10°) oxygen atoms. Be sure…

A: Given  Compound = CaWO4 No. of Oxygen atom in CaWO4  = 1×109 Mass of CaWO4  = ?

Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please…

A: Temperature in Kelvin = 355 K

Q: The number 24.03687 rounded to significant figures is________

A: The number 24.03687 rounded to significant figures is?

Q: The number 9080000 written in scientific notation to the correct number of significant figures is?

A:

Q: 9. Express 96.342 m using 2 significant figures The answer is

A: Rules for determining significant figures : 1) All non zero digit are significant. Example, 123…

Q: change 18h Dry nswer contains a unit symbol. Round your answer to 3 significant digits. μ ロ･ロ X 010…

A: Given,  □Hfus = 4.39 kJ= 4390 J T = -112 K = 161 K Mass of CS2 = 400 g Molar mass = 76 g/mol Mole…

Q: What is the measurement of water in the graduated cylinder (without units)?   How many significant…

A: Graduated cylinder is also known as measuring cylinder. It is a laboratory equipment which is used…

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: (a) The diameter of Earth at the equator is 7926.381 mi.Round this number to three significant…

A: (a) Given, diameter of earth = 7926.381 mi which is approximate equal to 7930 mi. Hence, the…

Q: The number 114.4335 rounded to 5 significant figures is

A: All non zero numbers are consider as significant figures.

Q: ryour answer to 2 significant figures. Do not include the units, M.

A:

Q: 2.04 pm to meters Express your answer to three significant figures and include the appropriate…

A: For a number in scientific notation: N x 10x, all digits comprising N ARE significant.

Q: Subtraction - express all answers in the correct significant figures - be sure to include units…

A: Significant Figures -  They indicate the reliability of a number that tells us how many digits are…

Q: Can you help me please? If it includes these in the question, can you solve it using significant…

A: Arsenic trifluoride has 26 valence electrons and As is the central atom. There are four regions of…

Q: The number 621.0870 rounded to 4 significant figures is

A: To round the number 621.0870 to 4 significant figures.

Q: pH

A:

Q: C6H10O5 Express your answer using four significant figures

A: Use formula = Mass of carbon×100/mass of compound

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: Solution Appropriate range of serious knowledge is vital so as to possess a significant level of…

Q: When a measuring scale is used properly to the limit of precision, the least significant digit…

A: Note - There is a word error in your question, i.e., least should be replaced by last. Taking it…

Q: The number 9.40548 rounded to 2 significant figures is

A: The number 9.40548 rounded to 2 significant figures is

Q: The symbols for units of length in order from largest to smallest are

A:

Q: Make the following conversions. Report answer to the proper number of significant figures. 1.25 in…

A: Following is the conversion of 1.25 inch to feet

Q: When a measuring scale is properly to the limit of precision, the last significant digit recorded…

A: There is no a perfect machine.However,for very precise equipment,the margin is a very small number.…

Q: Conversions involving units raised to a power: include the correct number of significant digits.…

A:

Q: The number 935.0022 rounded to 5 significant figures is

A: The number 935.0022 has to be  rounded to 5 significant figures.

Q: A supposedly gold nugget displaces 21.7 mLmL of water and has a mass of 417 gg. Express your answer…

A:

Q: Convert 2.3miles/hour to ft/sec. Express you answer with the proper significant digits.

A: 1 mile is equal to 5280 feet 1 hour  is equal to 3600 sec

Q: Identify the number of significant figures (sig figs) in each of these values.

A: leading zeros are non-significant  trailing zeros are significant  zeros in between non-zeros are…

Q: Is it possible for a calculated answer from an addition or subtraction problem to contain more…

A:

Q: Perform the calculation and record the answer with the correct number of significant figures.

A: To calculate this problem  Firat we have to subtract the numerator and then devide this value with…

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.