A gold wire has a diameter of 1.00 mm. What length of this wire contains exactly 1.00 mol of gold? [Given: density of Au = 17.0 g/cm ] Select one: a. 14.8 m b. 2630 m C. 3.69 m d. 62.7 m e. 251 m Pre vious nar

Q: Iron is 5.7 x10-3 percent (%) by mass of a normal healthy human being. What mass of iron would be…

A:

Q: Macmillan Learning An ice freezer behind a restaurant has a freon leak, releasing 41.14 g of…

A: The mass of freon released every week is 41.14 g.To find the mass of fluorine in kilograms over 6…

Q: 26.) Metallic mercury (Hg) reacts with oxygen (O2) in air when heated to form dark red brown…

A: The balanced reaction taking place is as follows: Molecular mass of Hg = 200.59 g/mol Molecular…

Q: 8. Scientists record and conclusions a journal entry th Rutherford's gold

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Q: How did you end up getting 6.023 x 1023? Why can't we divide 8.50 x 1015 by 32.06 (grams of S)?

A: There are different formulas to calculate the number of moles of the substance based on the given…

Q: 1srito bes oj svilsler svom Jon ob bns 1ertisgot 92ob ens eslou Dinitrogen tetroxide spontaneously…

A: Given : Dinitrogen tetroxide N2O4 i.e spontaneously decomposes into nitrogen dioxide i.e NO2.

Q: silicon by mass. How much oxygen will 10 g of silicon combine with?

A: 1 mol contain 6.022 × 1023 atoms.The mole is an SI unit used to measure the amount of any substance.…

Q: law of conservation of mass

A: According to law of conservation of mass, in a chemical reaction the mass of reactions are always…

Q: 1-mass of crucible and lid containing magnesium oxide 2- mass of empty crucible and lid from this…

A: To determine the mass of crucible + Lid + Magnesium oxide therefore from the given data table the…

Q: A patient is to receive 44 mmol of potassium phosphate dibasic (MW 174 mg). How many mg of potassium…

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Q: What mass of solid lead would displace exactly 234.6 liters of water? Given that lead has a density…

A: Unit of volume and density is converted as follows:

Q: A 1980 penny has a mass of 3.025 g and is 85.0% copper. What is the mass of copper in the coin? A)…

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Q: A  penny  weighs  2.507g  and  is  made  of  an alloy which  is  97.6%  zinc  and  2.4%  copper.…

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Q: A chemist has a 19.50g sample of drinking alcohol (ethyl alcohol). what is the volume ogf the…

A: The relationship between mass and volume is given below.

Q: A dietary supplement for calcium contains 600 mg of CaCO3 per tablet. How many grams of calcium are…

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Q: Which accurately shows the Law of Conservation of Matter (Mass)? A. When 2 oxygen molecules combine…

A: Law of conservation of mass states that mass can neither be created nor be destroyed although it can…

Q: What is the amount of Ne in moles in a 355 gram sample of Ne? (Molar mass of neon = 20.18 g/mol)…

A: Given   mass of Ne            = 355 gram  Molar mass of Ne  = 20.18 gram/mole  Number of mole of Ne…

Q: 12. A solid compound has a mass of 43.25 g. You scrape 2.5 g of the material off of the solid for…

A: Mass of compound = 43.25 g Mass of compound scraped = 2.5 g

Q: It is known that 1mL = 1cm³. What is the mass of a cube of gold (density = 19.32 g/cm³) if the…

A: Length of cube or side of gold = 2.00 cmdensity of gold = 19.32 g/cm3mass =?

Q: 1. A student measured a 6.790 g sample of a hydrated salt. After heating, the mass of anhydrous salt…

A: a. Given that weight of hydrated salt is 6.790 g and mass of anhydrous salt is found to be 4.501 g.…

Q: a chemist has 19.50g alcohol. what is the volume of the sample, what additional information is…

A: The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully…

Q: in a particular experiment, a 10.1-g sample of N2reacts completely. The mass of Mg consumed is…

A: The reaction between Mg and N2 will be Mg + N2 -----> Mg3N2  Balancing : Since we have 3 Mg in…

Q: The density of a gas sample is 1.29 g/L. How many grams of gas are there in 255 L

A: Given: Density of gas = 1.29 g/L Volume of gas = 255 L

Q: Copper wire has a diameter of 2.00mm.  What length of this wire containes 1.00 mol copper

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Q: During an accident, the air bag inflates due to the decomposition reaction of sodium azide (NaN3).…

A: When NaN3 is heated, it decomposes to give solid sodium and nitrogen gas. NaN3→ 2Na(s)+3N2(g)

Q: Part A.Calculate the percent carbon in fructose, C6H12O6 Express your answer are using to decimal…

A: Answer :-  A) The percent Carbon in Fructose, C6H12O6 =  40.00%  B) The percent Hydrogen in…

Q: A nutrition table lists apples with a potassium content of 4600 mg/pound. Assume an average apple is…

A: According to the given data, Mass of an average apple = 75.0 g Because, 454 g = 1 poundMass of an…

Q: What is the mass, in grams, of each of the following? I.) 2.1×10−3 mol Sb Express your answer…

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