A major component of gasoline is octane (C,H,). When octane is burned in air, it chemically reacts with oxygen gas 18 (0,) to produce carbon dioxide (CO,) and water (H,O). What mass of octane is consumed by the reaction of 8.0 g of oxygen gas? Be sure your answer has the correct number of significant digits. alo Ar

Q: The correct number of significant figures in the number 9.080x10^-4

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Q: it says to only use 2 significant figures. please try again.

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Q: How many significant figures are present in each of the following numbers? a) 100.34 b) 2.00 c)…

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Q: How many significant figures of 350.670

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

Q: What is the correct answer to this calculation, reported using the proper number of significant…

A: -> In Multiplication and division answer contains lowest number of significant digit.-> In…

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A: The meaningful digits which are known with certainty plus one digit which is estimated or uncertain…

Q: The number 18.01937 rounded to 3 significant figures is

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Q: 297.466 into 2 significant figures

A:

Q: Use the References to access important values if needed for this question. The number 4.75721…

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Q: 0.0590x8.105æ10 1.8x10-3

A:

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Q: I have to have the correct number of significant figures

A:

Q: the correct number of significant figures in 2.33×18

A: • We need to calculate the number of significant figures for the expression in 2.33 × 18

Q: The number 1.050 × 109 has how many significant figures?

A:

Q: Round each number to three significant figures. 0.036549:   1044.987:

A:

Q: The number 3332.914 rounded to 3 significant figures is

A: Answer is given below

Q: significant

A:

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A:

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A: The rules for counting significant figures when we perform addition or subtraction and…

Q: Perform the calculation and record th (34.123 +7.60) (98.7654 3.570) 0.439 Incorrect

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Q: How many liters of H₂ are created from the reaction of 20.0 g potassium (K) with an excess of water?…

A:

Q: Correct significant figures  0.825 * 3.6 * 5.1=

A:

Q: What is the appropriate number of significant figures in this equation 3.5x0.251/8.02x30.0

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Q: When doing significant figures when adding subtracting, multiple how do I know how many decimals…

A:

Q: for this question, what would the correct number of significant figures be?

A: Concentration of KOH = 0.626 M The mas of MOBS=  5.00 g  pKa=7.48 and formula mass is 223.29 g/mol)…

Q: The number 114.4335 rounded to 5 significant figures is

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Q: Correct significant figures  400 x 185

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Q: This question is about expressing numbers in standard form. a Express the following numbers in…

A: The numbers given are,

Q: I dont quite understand the significant figures. Need some examples

A: Rules for Determination of Significant Figures:[i] All non-zero digits are significant.For example:…

Q: 3. What is the correct volume in each of these containers with appropriate significant figures? -34…

A: The answer is as follows:

Q: How many significant figures are in the number 9.540x10*7?

A: Significant figures in 9.540*10^-7  = 4(four significant figures are there) . 0.00000009540 =…

Q: given 310. a number. Identify the number of significant figures this number has.

A: The question is based on the concept of significant figures.We need to identify number of…

Q: How many significant figures? How do you count it if it is in equation form like below?   4.300 x…

A: The given number is = 4.300 x 106 The number of significant figures is =?

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A: we have to complete the given statements

Q: In which of the following pairs of numbers does each member of the pair have the same number of…

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Q: The number 621.0870 rounded to 4 significant figures is

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

Q: Significant figures 98/.006

A: We have to predict the number of Sig figs in given calculations.

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.