Find the number of atoms in a copper rod with a length of 8.85 cm and a radius of 1.00 cm. The density of copper is 8.96 g/cm3. (round to 3 sig figs)

Q: An 8-ounce glass of water contains 24.7 moles of hydrogen. How many hydrogen atoms do you drink per…

A: Answer :-  1.49 × 1025 hydrogen atoms.…

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Q: [Review Topics] [Relo Use the References to access important values If needed for this ouestton A…

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Q: Calculate the mass percent of chlorine in CCl6

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A: Given that,  Mass of hydrated sample, m1 = 1.02 g Mass of dehydrated sample, m2 = 0.91 g Mass of…

Q: Ecell  Mg‎2+(aq) + 2 e- -> Mg(s)    Mg2 + |M‎g = - 2.372  Sn4‎+(aq) + 2 e- -> S‎n2+(aq)  Sn2 + , Sn4…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: ow do I find how many atoms are in 3.80g of silver?

A: Introduction: We have calculate the atoms in 3.80g of silver.

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A: According to the unit conversion, 1 mm is equal to 1×109 pm. The diameter of tungsten is 274 pm.…

Q: A modern penny weighs 2.5g but is only 2.52% copper by mass. Calculate the number of Cooper atoms in…

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Q: formuia for tre feilcwing mcle cules Suppiy the missag what ere likeiy digit. Choose 1 FA tle…

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Q: Calculate the % composition of all the elements in Mg(CIO2)2. Show only the % of elements below.

A: Mass of Mg in 1 mol Mg( ClO2)2 = 24.3 g Mass of Cl in 1 mol of Mg(ClO2)2 = 2 × 35.5 g…

Q: 99g of molybdenum-95 (isotopic mass = 94.91 amu Please enter your response to the appropriat number…

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Q: Compute: % of chlorine in potassium chloride. O a. 100% O b. 47% O c. 53%

A: The mass percentage of a component in a solution is calculated by using the formula: Mass…

Q: A 1.0-g sample of carbon dioxide (CO2) is fully decomposedinto its elements, yielding 0.273 g of…

A: Given information: Mass of carbon = 0.273 g Mass of oxygen = 0.727 g Mass of carbon of different…

Q: 5- Atomic mass of aluminum is 27. Accordingly, which of the following statements is wrong? O A) The…

A: The wrong ans is 1st one

Q: In the following images, the white spheres represent hydrogen atoms and the red spheres represent…

A: An element contains only one form of the atoms. A compound is formed by combining two or more types…

Q: 6. (ii) One coin has a mass of 5.00g and contains 84.0% of copper, by mass. Calculate the number of…

A: Mass of one coin is = 5.00 g The percent of Cu in the coin is = 84.0 % The number of copper atoms in…

Q: It was given C lim = 4.10^_6 V min = 0.05 10:33 AM Question: find m 1 10:34 Formula is 10:34 AM m =…

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Q: How many atoms of He can a balloon that has a 19 cm diameter hold? The density of Helium is 1.18…

A: Given data,Diameter of balloon=19cmRadius of balloon=19cm2=9.5cmDensity of He=1.18g/L

Q: Using dimensional analysis, convert 5.7 moles of Fluorine into atoms. (1 mol = 6.02 x 1023). Round…

A: We know that, 1 mole = 6.02 x 10^23 atoms So, Number of atom = Number of miles x ( 6.02 x 10^23)

Q: How many sigfigs does this number have 0.021?

A: Rules:- All non-zero digits are significant. Zeros between non-zeros are significant. Trailing…

Q: 1.75 x 1025 selenium atoms contains ____ moles of selenium. Report your answer to 3 s.f. (hint: this…

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Q: b. U.00004042 fng 4.042 x 10-5 mg Which sample of element is heavier? Show appropriate calculations…

A: Given: The moles of N2 = 2 moles. The moles of Fe = 1 mol. The moles of F2  = 1.5 moles.

Q: Mass of Crucible and Cover= 62.17 g Mass of ……… and solid hydrate= 63.28 g Mass of ………. And residue=…

A: Note - Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Jotmest Atoms are the smallest spherical particles that make up any matter. If 6.0x1023 atoms of…

A: Introduction: Atomic mass is an average of the masses of a number of different atoms.It is also…

Q: 3.7 × 10–4 kg of atoms to micrograms (μg).

A: Given information:Mass of atoms = 3.7×10-4 kg

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Q: 16. While cleaning your attic, you find your old rock collection. If 74.2% of the rocks have a mass…

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Q: A sample of Cs weighs 88.1 grams. Will a sample of Ti that contains the same number of atoms weigh…

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Q: Calculate the mass of 816 molecules of Cu(NO3)2.

A: We know , 1 mole of substance = 6.022 × 10²³ Molecules By using this relation , we can calculate the…

Q: State the number of protons in Ag^+. Express your answer as an integer.   State the number of…

A: Electronic configuration of Ag (47) = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s1 Number of protons…

Q: ny atoms c

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Q: how many atoms are in a copper pipe that weighs 8.25 g

A: Given, Mass of copper = 8.25 g Number of atoms = ? Note: Atomic mass of Cu = 63.546 g/mol 1 mol of…

Q: how many atoms are in copper pipe that weigh 8.25g

A: Given that the mass of copper pipe = 8.25g We need to find the number of atoms.

Q: Neutron stars form when large stars collapse. They are very dense, having an average density of…

A: The density of neutron star is 4.8×1017 Kg/m3.  Unit conversion 1 m3 = 109 mm3  so, the density of…

Q: ncal Teaction: CuCl, 2H,Oc) MGlor mass, maeratia ,mass ratio You will use steel wool since it is…

A: Given reaction,  Fe (s)  +  CuCl2.2H2O (aq)    FeCl2 (aq)  +  Cu (s)  +  2H2O (l)

Q: Question 7

A: The molecular formula of acetic acid has to be determined.Molecular formula:The molecular formula is…

Q: How many atoms of He can a balloon that has a 15 cm diameter hold? The density of Helium is 1.18…

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Q: Why are the chemical elements important in the Big history story?

A: A chemical element, also called an element, is anything that can decompose into simple substances…

Q: Which one of the following is TRUE about AH°f for the substances given? a. AH°ffor Br2(e) = 0 b.…

A: Enthalpy of Formation - It is the reaction enthalpy of the compound in which the reaction takes…

Q: What is the sum of the masses of 1 Fe atom + 2 Cl atoms? Enter your answer rounded to four sig figs,…

A: Given : To determine the sum of the masses of 1Fe atom + 2 Cl atoms

Q: t2 = 20.9 Hns typ = 0.603/K k = 0•693 O: 693/20.9 0.693 K = E a.033 br

A: Half life It is the time when the Concentration becomes half of the initial Concentration

Q: Explain the Schematic of a mass spectrometer ?

A: A mass spectrometer is an instrument that is very useful in the structure elucidation of organic…

Q: CO 5 hway Hydrate Exp x lab 10 empirical formu X C Lab 11 - Atomic Finger X G periodic table-Google…

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Q: Mass = 1kg, Speed = 2m/s. KE = ?

A: