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Practice ProblemBUILD
Perform the following arithmetic operations, and report the result to the proper number of significant figures:
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- Titanium is a metal used to make golf clubs. A rectangular bar of this metal measuring 1.63 cm x 2.23 cm x 2.56 cm was found to have a mass of 32.9 g. What is the density of titanium in g/cm3? answer in g/cm^3arrow_forwardI think its either 1 or 2 but im not sure, its difientely not 4 though. I asked this question on bartleby multiple times and both times I got differnt answers please choose the correct answerarrow_forwardSuppose that instead of using the cylindrical rod of Example 1-2 to prepare a 1.000 kgmass we were to use a solid spherical ball of copper What must be the radius of this ball?arrow_forward
- Analytical chemist from Petroleum Development Oman extracted petroleum from crude oil and measured the quantity lost by the extraction to tell how much of the petroleum was . Quantity of Petroleum lost %): 10.8, 11.6, 9.4, 7.8, 9.2, 9.1 , 10.6, 11.6 Should the value 7.8 be rejected from the set of the above results.arrow_forwardWhat is the mass of a magnesium block that measures 5.00 cm × 2.00 cm × 2.00 cm? The density of magnesium is 1.738 g/cm3. Please type answer note write by hend.arrow_forwardA cylindrical bar was found at the bottom of a storage tank of unknown composition. The material had a diameter of 8 mm, a length of 62 cm and a mass of 0.018 kg. What is the density of this material in g/mL? The volume of a cylinder is given by V = πr^2h.arrow_forward
- Express answer in 2 significant figures.arrow_forwardin quantitative chemistry experiment error. If the calculated answer is 3.141592... but 3.14 considering significant figure and calculated uncertainty is +-0.002 , then do I need to write answer as 3.140(+-0.002) or 3.142(+-0.002)arrow_forwardExpress the answers to the following calculations inscientific notation:(a) 145.75 + (2.3 × 10−1)(b) 79,500 ÷ (2.5 × 102)(c) (7.0 × 10−3 ) − (8.0 × 10−4) (d) (1.0 × 104 ) × (9.9 × 106)arrow_forward
- If 1.5 x 1022 carbon atoms were placed side-by-side in a line, how long would that line be (in feet) if the radius ofa carbon atom is 77 pm? Set up and solve a single step dimensional analysis problem that includes all necessaryfactors.arrow_forwardQuestion: A 795-centigram sample of borax was placed in a certain volume of water at 25 °C. After adding the sample, the graduated cylinder was read at 35 milliliters, where a rise of 2.7 milliliters was observed. 1. What is the weight of sample in grams? Your answer here will be used for the next item(s). 2. What was the initial volume of water in milliliters? 3. What will be the weight of displaced water in grams? Your answer here will be used for the next item(s). 4. What is the specific gravity of the solid? Your answer here will be used for the next item(s). 5. What will be its specific volume?arrow_forwardStraight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula CnH2n+1COOH where n is an integer than ranges from 1 to 18. What would be the %C by mass if n = 14 ? Atomic weights: C=12.01, H=1.01, O=15.99. Input values only with 2 decimal places. Do not include the units.arrow_forward
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning