How many in3 are in 2.20 cm3? (show your calculations)

Q: A. Sentence Completion. Complete each statement with a word/ concept in the blank of the item. 1.…

A: Answer Complete the sentences with fill in the blank

Q: C6H15N express your answer in atomic mass units to two decimal places

A: Atomic mass unit  mass equal to one twelfth of the mass of an atom of carbon-12.  Atomic mass unit…

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

A: P

Q: In Section 1.10, it was stated that 1 mol of sand grains would cover the state of Texas to several…

A: SOLUTION: Step 1: Simple Volume of 1 sand grain = (0.10 mm)3 = 0.001 mm3. 1 mole of sand =…

Q: Using grammatically correct English sentences, describethe relationship between the number 6.022 *…

A: Number of moles of a chemical compound is used to measure the amount of compound in a given mixture…

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: Calculate the density for Zinc Using the atomic mass of Zinc and dimensions of 3.5mmx 2.5mm x 2.5mm

A: Given  Dimension =  3.5 mm × 2.5 mm × 2.5 mm Density = ?

Q: Calculate the surface area in nm^2 of water contained in a watch glass with a diameter of 9.0cm. The…

A: Given,Diameter = 9.0 cm

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: The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span…

A: Given: Radius of each lead atom = 175 pm = 175 X 10-12 m                          (Since 1 m = 1012…

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

A: Applying mole concept and avogadro number.

Q: A molecule has a mass of 4.65 x 10^-23 g. Provide two possible chemical formulas for such a…

A: Given  mass of 1 molecule = 4.65 x 10-23 g we know  mass of 1 molecule = 1 mole  1 mole = 6.022 x…

Q: 1B3 uhat is after bal Pb Cs). 3.

A: When the same number of each element is represented on the reactant and product sides, then the…

Q: C The radius of a nickel atom is 125 pm. How many nickel atoms would have to be laid side by side to…

A: We are given : radius of nickel atom (r) = 125 pm distance (d) = 1.11 mm number of nickel atoms (n)…

Q: Which elements have molecules as their basic units?(a) helium (b) oxygen(c) iron (d) bromine

A: The elements which have  molecules as their basic units has to be given,

Q: Suppose that mercury forms a perfect spherical droplet with a diameter of 5.0 mm. (a) What is the…

A: Density is given by the ratio of mass of the substance to its volume. 1 mole of a substance contains…

Q: There are 1.699 x 1022 atoms in 1.000 g of chlorine.  Assume that chlorine atoms are spheres of…

A: Number of atoms in 1 g chlorine = 1.699 × 1022 atoms Number of atoms in 0.5 g chlorine = 0.5 × 1.699…

Q: The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side…

A: Given : Radius of Aluminium atom = 143 pm And length of line to be made = 4.38 mm  Since 1 pm =…

Q: What is the mass in grams of 1.37 × 1016 chromium atoms? Put your answer in box in scientific…

A: Given: Number of chromium atoms, Cr = 1.37 × 1016 atoms.

Q: A hydrogen-filled balloon was ignited and 1.70 gg of hydrogen reacted with 13.6 gg of oxygen. How…

A:

Q: 7. Name each of the following compounds: c. KMNO d. K,Cr,O, a. BaSO, b. NANO2

A: Some of the prefixes are used in naming the inorganic molecular compounds, they are listed below.…

Q: Determine the number of atoms in 1.85×10^-3L of Mercury. [The density of mercury is 13.5g/mL.]

A:

Q: H,O, + HgO - H,0 + 0,+ Hg How many atoms of H,0, are in 5.36 x 102 atoms of HgO?

A: Given, the chemical reaction as follows,H2O2+HgO→H2O+O2+Hgnumber of atoms of HgO =5.36×1022 atomswe…

Q: petermine the % mass of sulfur, S at 910 ppm. Computation and Explanation:

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Gold (Au) has a density of 19.32 g-cm-3. If a spherical gold nanoparticle has a diameter of 50 nm…

A: Density of Gold nanoparticle is 19.32 g/cm3 and its volume is 7*104 nm3.

Q: In the ammonia (NH) molecule of the figure, the three hydrogen (H) atoms form an equilateral…

A: You can find the center of mass of the 3 Hs first, then find the center of mass between that point…

Q: Write the following from largest to smallest size. (a)    Mg2+, Be2+, Mg (b)    Cl−, Sc3+, K+,…

A:

Q: ite the term used for a certain number of things. (If u don't know, look it up!) An example is shown…

A: 1) 1 dozen mice 2) 1.083 dozen 3) 1.67 dozen Kangaroo  4) 5.02×10^22 dozen water molecules.  5) 272…

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: 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: Student K was asked to determine whether his bar was made of pure palladium.  II) Student S was…

A:

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

A: Step : 1            Calculate the mass of 1 atom of aluminium in picograms.

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

A:

Q: The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to…

A: Given that,radius of barium atom = 217 pm distance between one atom to another = 2.78 mm 1m = 1x1012…

Q: (d) Sb + He → I + ? 121 124 (e) 241 Am +'B → 4¿n+? 95 3° Cf + ? → 103L + 3 ¿n 259 98

A: Complete the following nuclear reaction ---

Q: The volume of a sample of lead (density 11.3 g/cm) was determined to be 13.4 cm3. Calculate the mass…

A: Mass of the sample = volume x density                                 = 13.4 cm3 x 11.3 g/cm3…

Q: If a silver dollar contains 91.0% silver by mass, how many kilograms of silver can be extracted from…

A: As per the given information given silver dollar contains 91.0% silver  here, 1 kg of silver dollar…

Q: Calculate the mass of Cu in g from 8.20 kg CuFeS2

A: From the chemical formula it is clear that 1 mole CuFeS2 contains 1 mole Cu. Molar mass of…

Q: How many cm3 are there in 2.11yd3?

A: One cubic yard is equal to 764554.858 cubic centimeters.  In order to convert cubic yard to cubic…

Q: 6C6H1206 How many total atoms of oxygen are present in the molecules represented here? ) A) 6. B) 12…

A:

Q: One mole of silicon (6 x 1023 atoms) has a mass of 28 grams, as shown in the periodic table on the…

A: Given :- Mass of 6 × 1023 atoms = 28g  Density = 2.4g/cm3

Q: Determine the volume ton = 2205 Ibs, 1 lb 1 %3D %3D

A: Given mass of Cupper=2.2g Density =8.96g÷cm3 Volume =mass÷density Volume= 2.2÷8.96= 0.24cm3…

Q: Order the following from smallest to largest 1 | Arsenic, As 2 | Nitrogen, N E Bismuth, Bi 4 |…

A:

Q: Taking logarithms and antilogarithms is necessary to solve many chemistry problems. For practice,…

A: N = 8.75 ln N = ln 8.75 = 2.169 log N = log 8.75 = 0.942     ln N = 3.262 N = e3.262N= 26.102 log N…

Q: The slope of your graph in part A is the inverse of the deity of 1 w Ohe inverse of the density of…

A: Physical property of element sulfur can be tasteless, solid and pale yellow color with insolubility…

Q: The distance between two atoms was determined to be 11.4 nm. What is this distance in centimetres?…

A: Distance is measured in different units. For example nanometre (nm), picometre (pm), centimetre…

Q: H,O, + HgO → H,0 + 0, + Hg How many atoms of H,O, are in 5.36 x 1022 atoms of HgO?

A:

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

A:

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.