What is the mass, in g, of 2.67 × 10 nickel (Ni) atoms? Enter your answer in scientific notation. 12 X 10 (select) g Ni 彩彩

Q: Briefly describe the purpose and importance of the following procedures in the analytical process:…

A: Sample preparation is the most important step in chemical analysis to start with.

Q: 15. This ForeverspinTM top os made of pure carbon, with an Atomic Mass of 12. This top weights 9…

A: P

Q: sample

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Q: What mass of iron (d = 7.874 g/cm') does a 2.0 in x 1.5 in x 10.0 in sample have?

A: Given  density of Iron = 7.874 gram/ Cm3 Volume = 2.0 inch × 1.5 inch × 10 inch 1 inch   = 2.54 Cm…

Q: 12. What mass of carbon di a. 0.468 g b. 2.81 g

A: Given reaction,  C6H14 + 13CO2 -------->6CO2 + 7H2O we have to find mass of CO2 produced by 5.50…

Q: 2. Show that volt per meter is the same as newton per coulomb.

A: Given:- Show that volt per meter is the same as newton per coulomb.

Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

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Q: e mass of 1

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Q: 6. Given your experience in mass determinations (Experiment 1) and with volumetric glassware…

A: There is two common methods mostly used in chemical laboratory are the determination of mass and…

Q: A copper atom has a mass of 1.06 x 10 g and a penny has a mass of 2.5 g. Use this information to…

A: Mass of Cu atom = 1.06 × 10-22 g Mass of penny = 2.5 g 1) Mass of 1 mole of Cu atom =? 2) Number of…

Q: 239 Pu + ¿He → 96 242 Cm + ? 94 (e) °Cm + ºC → 6,n+ ? (f) 98 Cf + ? → 105 Db + 5 in

A:

Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar…

A: In which set of element have similar chemical properties ?

Q: 99 235U + in → 2;Zr+ 135Te + 2X + ön ŽZr +

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Q: What is the mass of phosphorus in a 45 kg person? .017 mass of P Incorrect

A: Determine mass of phosphorus in 45 Kg person?

Q: 1 mg is the same as O 1/10 cg O 100 cg 1/1000 kg 10 g

A: The symbol, mg is used to express the mass of substance.

Q: A cube of an unknown metal measures 1.61 mm on one side. The mass of the cube is 36 mg. Which of the…

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Q: Since the Geologists at Grasberg know the density of gold to be 19.32g/cm^3 they were surprised by…

A: Density is defined as mass per unit volume of the substance  . Metals have high density as compared…

Q: 9.31 g is the same mass as O 93.1 cg O 9310 mg O 931 kg 0.0931 dg O 931 mg

A: 1 cg = 10-2 g93.1 cg = 93.1 ×10-2 g93.1 cg = 0.931 g   1 mg = 10-3 g9310 mg = 9310× 10-3 g9310 mg =…

Q: (A true story.) While organizing the undergraduate stockroom, a new chemistry professor found a…

A: A question based on mass spectrum, which is to be accomplished.

Q: Chemists have determined that 18.0 g of water consists of 6.02 x 10 23 molecules. Determine the…

A: Given, 18 g of water consists of 6.02 x 1023 molecules. Container = 1 quart = 946.35 g

Q: Be sure to answer all parts. Enter your answers in scientific notation. Calculate the number of…

A: The compound given is Ca3(PO4)2. Mass of Ca3(PO4)2 given = 9.75 g Molar mass of Ca3(PO4)2 = Atomic…

Q: In this station, you will find an empty box that contains air. The density of air is 1.19 g/L. It is…

A: The number of moles of a substance represents the amount of a substance, which consists of…

Q: Gallium has a density of 5.9 g/mL. How much mass do 54.2 mL of Gallium have? 319.78 g 319.8 g 320 g…

A: •Given :-density of gallium=5.9 gm/ml                Volume=54.2 ml   • As we know density formula…

Q: 3326 10 1667 1624 60 716 62 1329 52 970 77 S50 79 3140 37 3114 44 1611 21 I667 14 ISI 28 1261 21…

A: The question is based on the concept of IR Spectroscopy.   we have to analyse the spectra provided…

Q: All of the platinum ever mined = 25 ft3 What is the price of all of the paltinum ever mined?…

A: The conversion of volume of platinum from 25 ft3 into cm3 can be done as,

Q: Brass is an alloy of copper and zinc. Varying the mass percentages of the two metals produces…

A: Mass of Yellow zinc = 135 g Brass = an alloy of Cu and Zn Yellow zinc = A brass (34-37)% Zn by mass…

Q: that reads 452 g. How much sample is left after half an hour? 5.00 g 90.4 g 14.1 g 75.3 g

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Q: 3) Na is present in seawater as 1.25 g Na/kg seawater. What volume of seawater as in liters(L),…

A:

Q: hat is the mass of 4.50 x 1022 Cu atoms? Multiple Choice 747 x 102 g 4.75 g

A: Molar mass Cu is 63.546

Q: Part F The compound iron chloride can exist with either iron(II) ions or iron(IIl) ions. Conduct…

A:

Q: What is the mass, in grams, of 5.23 moles of oxygen gas?

A: Number of moles of the substance is the ratio of mass to molar mass.

Q: We have 12.5 cm of a material. How many g is it? The material has density of 3.50 g/cm O 68.0 g O…

A: Given: Density of material = 3.50 g/cm3. And the volume of material = 12.5 cm3.

Q: O CHEMICAL REACTIONS Interconverting number of atoms and mass of compound Calculate the number of…

A: Mass of forsterite (Mg2SiO4) = 80.0 g  Number of magnesium atoms = ?

Q: Mass of one a mu) Carbon Type 1                                12.0 Carbon Type 2…

A: The sum of all the values of individual masses divided by the total number of items in the sample is…

Q: 1. You are tasked to make an alternative disinfectant for corona virus. Which materials are you…

A: Disinfectant is necessary tool to combat corona virus. In disinfectant some chemicals have to be…

Q: The mass of one aluminum atom is 4.48x10^-23 grams. How many aluminum atoms are there in 9.45x10^4…

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Q: An atom of a particular element has a volume of 7.8 X 10-31 m3. What is this volume in cubic…

A: Find volume of atom in cubic nanometre

Q: Following the above question, for 1.50 L of mercury, what is the mass in kg? O 2.03 x 10° kg O 2.03…

A: Given details, The volume of mercury = 1.50 L = 1500 cm3 The density of mercury = 13.534 g/cm3…

Q: If 81.17 grams of aluminum and 72.03 grams of the iron oxide are used, what mass of iron was…

A: Mass of Iron produced depends on limiting reagent.

Q: Analyses of several samples of a material containing only iron and oxygen gave the following…

A: Calculate the number of moles of Fe and O in each sample. This can be done by dividing mass of each…

Q: 5. Calculate the mass % (w/w) Mg(OH)2 in your Milk of Magnesia sample. (2.25) mass of Mg(OH)2 mass %…

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Q: 11. A stack of 500 sheets of typed paper is 1.9 inches thick. The thickness, in inches, of a stack…

A: If the stack of 500 sheets of paper is 1.9 inches thick, then each sheet of paper has thickness of…

Q: A student needs to identify an unknown substance found in the lab based on its physical properties.…

A: We are given physical properties like mass and volume and density data, and we have to identify the…

Q: Assume the observable Universe is charge neutral, and that it contains n nuclei (hydrogen plus…

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Q: I need help with #4.

A: We have to calculate the mass in grams of 20 neon atoms given thatMass of one average neon atom =…

Q: What is the mass of phosphorus in a 45 kg person? mass of P = %3D TOOLS x10

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Q: A freighter carrying a cargo of uranium hexafluoride sank in the English Channel in late August…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.