The number 196090, when rounded off to 3 significant figures, would appear as __________   a.  196   b. 1.96 x 105    c. 1.960 x 10-5   d. 19609

Q: Question 45 of 48 A liquid in the lab has a density of 1.17 g/cm. What is the volume in liters of 3.…

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Q: 6. Round each number to 3 sig figs: a. 1234 b. 0.023 c. 890 d. 1090.0010

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Q: This question requires a file upload. You will need to write your answer paper and take a picture or…

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Q: tD Page view A Read aloud V Draw Highlight O Erase Certainty (marked on the ruler) and one uncertain…

A: for ruler 1 the uncertainty is 1 cm   for ruler 2 the uncertainty is 1/10 cm=0.1cm=1mm

Q: Which number is 3 significant digits? A. 1.1100 B. 1.37 C. 0.01 D. 0.005

A: According to the significant rule, If number is greater than 1 in decimal digit, then all number…

Q: 5. Find x if (0.0010-x) 1.8 x 104

A: Answer: This is the sort of equation can often be seen in equilibrium situations, where we have to…

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A: Conversion of units : this can be done by a method called unit factor method by a method called unit…

Q: Example: Use 1.20E-4 NOT 0.120E-3 or 12.0E-5 (i) 0.0661 (ii) 3410 (b) Write the following numbers in…

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Q: This was sent back.  It is a chemistry sig problem in freshman chemistry   Why is 1376 - (2.4x102)=…

A: No, there is no need to look at the last sig fig while adding or subtracting. There are certain…

Q: Part A Compute 3.5 x 4.48697. Round the answer appropriately. Express your answer numerically using…

A: # Part-A: The given multiplication is 3.5 * 4.48697 When we multiply or divide two or more numbers,…

Q: Part C to heat 34.2 g of copper from 122° C to 227 °C Express your answer using three significant…

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Q: Question 60 Calculate the volume in cm³ of a metal cylinder that has a density of 8.96 g/ cm3 and a…

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Q: QUESTION 23 You were asked to pipette 500 uL of water into a microcentrifuge tube. You weigh the…

A: The density of any substance d is given by the following equation:…

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Q: Five students used the same ruler to measure the length of the same pencil. These are their results:…

A: a. Given data : The results of the five students are given below : 15.34 cm, 15.33 cm, 15.34 cm,…

Q: Use the References to access important values if needed for this question a. When 71.292 and 66.15…

A: There are rules for addition, substraction, division and multiplication for significant figures.  In…

Q: A penny has a mass of 2.50 g and the Moon has a mass of 7.35 × 104“ kg. Use this information to…

A: Here, Mass of penny = 2.50g. Mass of moon = 7.35×1022Kg.

Q: 27 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…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

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A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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Q: If a snail crawls at a rate of 425.96 cm/s, what is its speed in miles per hou the unit. Hint:…

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Q: ound 0.221 to one sig. Fig

A: To round to a significant figure: look at the first non-zero digit of rounding to one significant…

Q: A penny has a mass of 2.50 g and the Moon has a mass of 7.35 × 10“ kg. 22 Use this information to…

A: Given: Mass of penny = 2.50 g And mass of Moon = 7.35 X 1022 Kg = 7.35 X 1025 g…

Q: Select the proper scientific notation for the number 6584763283. Digits to the right of the…

A: Given number : 6584763283 In the provided number, the significant digits are: 6584763…

Q: 27 A brick has a mass of 4.0 kg and the Earth has a mass of 6.0 × 10' g. Use this information to…

A: Consider the given information is as follows; Mass of brick = 4.0 kg Mass of earth = 6.0×1027 g…

Q: Perform the calculations and determine the absolute and percent relative uncertainty. Express each…

A: Answer is given in below image  In a answer is 5.8±0.30 Absolute uncertainty = 0.30 Percentage =5.17…

Q: + e Mn2+ E = +0.32 - - 2e → V E = -0.49 answer should be entered with 3 DIGITS; do not enter units;…

A: In electrochemical cell,  Standard cell potential is given by E°cell = E°c - E°a = -0.49 -(0.32) =…

Q: 22 A penny has a mass of 2.50 g and the Moon has a mass of 7.35 x 10 kg. Use this information to…

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Q: • Part A a. Pyrex glass (T, = 55.6 °C) %3D Express your answer using two significant figures. m%3D…

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Q: Question 4 What is the result of the following calculation to the approprilate number of significant…

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Q: For which object does the method of volume by displacement give an inaccurate result? Why? A4.…

A: The method of measurement of volume of the metals by displacement method gives inaccurate result for…

Q: The density of an object is 58.3 g/cm3cm3. Calculate the density in pounds per cubic inch…

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Q: e the density of a the density to tw

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Q: Pitt A 0120 x Goog x b Answe x in (27) A X Bio Micro Chem II A Asses X Pt Perioc X ali 1030 x E chem…

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Q: 20 A raindrop has a mass of 50. mg and the Pacific Ocean has a mass of 7.08 x 10° kg. Use this…

A: Given,  Mass of raindrop = 50 mg  Mass pacific ocean = 7.08 x 1020 kg  a). What is the mass of 1…

Q: QUESTION 14 5.621 lb = grams. (1 lb = 454 g) %3D O a. 1.70 x 10 O b. 1.28 x 105 Oc 1.24 x 10-2 O d.…

A: Mass of any compound can be changed to different unit .

Q: magnitude makes sense. FOR PRACTICE 1.11 Find the radius (r) of an aluminum cylinder that is 2.00 cm…

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Q: How do I solve this question correctly, with the right amount of sig figs?

A: Yes. It is possible.

Q: tD: Density of a Liquid (Water) 1. Find the mass of an empty 50mL graduated cylinder and record. 2.…

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A: Organic reaction with meachnism

Q: pH 9.0 Express your answer using one significant figure. ΑΣφ ? (HO*] = M Submit Request Answer Part…

A: The pH of a solution measures the hydrogen ion concentration on the negative logarithm scale. It can…

Q: C. A=0.299 B=? k= 0.00495 Math Review t 440

A: A = 0.299 k = 0.00495 t= 440 B = ? Given Equation is A1 = k × t + B1

Q: 2.3 Sig Fig Practice 5 Name Julan Eigoth Date 2.3 Sig Figs & Rounding A. Indicate the number of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Part D Review Com Ajar contains 0.20 kg of olives. How many grams of olives are in the Express your…

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Q: proposed multiplication or division Is this possible? result 10. g ? yes 5.0 L O no О yes (5.0 m) ·…

A: These are some conversion : 1 m = 100 cm 1 Kg = 1000 g 1 L = 1000 mL In multiplication of same unit…

Q: The temperature in 0C of 312K is:

A: Given: Temperature(T) = 312K

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.