One mole of carbon-12 has a mass of 12.00 grams. What is the mass of a 12C atom? Multiple Choice O 1.244 x 10-26 kg
Q: Fluorine Silicon Phosphorus Nitrogen 160 ssf sf60 ssf60 ssf60 60 ssf60 ssf60 ss sf60 ssf60 ssf60
A: Given data,Mass= 150 gNo. of atom= 4.5×1024atomWe know that,No. of moles= (no. of atoms)/NA=…
Q: A certain alloy is a mixture of equal numbers of A atoms and B atoms. B atoms are twice as heavy as…
A: Given, B atoms are twice as heavy as A atoms WB= 2WA the number of atoms A and B are the same in the…
Q: An atom consists of 8 protons, 9 newtons and 8 electrons. What is it's atomic number? Select one:…
A: Given Number of Protons (np) = 8 Number of neutrons (nn)= 9 Number of electrons (ne )= 8 Atomic…
Q: Which of these expressions would yield the wavelength of light in meters emitted when an electron…
A:
Q: Q2) Calculate the density of copper, whose building unit is (FCC) type, the length of the edge of…
A: We need to calculate the density of copper, given that the building unit is FCC type, length of the…
Q: Two spheres of same material have radii 1 m and 2 m are at temperature of 2000 K and 1000 K…
A: From Stefan-Boltzmann Law, the power (or energy per unit time) radiated by a blackbody of radius R…
Q: 1) A 2-kg block bar is attached to a 5-kg uniform cylinder by a square pin, P, as shown. Assuming…
A:
Q: The spherical harmonics wavefunction Y,2(0, 4) = sin²0 e¬i2ª is given. a) Normalize the…
A: Normalize the wave function 0<r<a0<θ<π0<ϕ<2π
Q: Helium rarely combines with other elements. Chemists have placed helium on the far right end of the…
A: Given helium in the right end in periodic table required name of column of He .
Q: Nuclear density. What is the approximate nuclear density of Silver-107? kg/m³ units.
A: Note you have posed same question twice. The nuclear density of an atomic nucleus can be…
Q: 6. Use Boltzmann distribution to solve this problem. A system consists of 3,000 particles that can…
A: Given: A system consists of 3000 particles T = 900 k Formula used:NjNi = gj e-εjkTgi e-εikT
Q: If the radius of the nucleus R = 1.2x 10^-13 cm, and known it is 1 fermi = 10^-13 cm, the nuclear…
A:
Q: 1. What is the mass (in grams) of a ball with a velocity of 9.55 m/s and a wavelength of 4.05 times…
A:
Q: An isolated LiCl molecule has its chloride ion (mass = 35 u) at x= 0 pm , and its lithium ion (7 u)…
A:
Q: M=70kg PEEら143 た茶内200 )モ=コ374J Rm 2, PE =. KEニ 3E= tm モっ PE= KE= E=
A:
Q: Determine the number of atoms in a block of pure Gallium measuring 3 inch x 0.1 feet x 0.1 yards.…
A: Given information :Volume of Gallium V = (3in)x(0.1ft)x(0.1yards)Atomic weight m = 69.723…
Q: How can you "charge" an object? Hint: This is a physics question. A. By adding or removing protons…
A: Required method to charge a body
Q: A body (mass m) is driven along a rough horizontal path (kinetic friction coefficient u) by a…
A: (a) A periodic force is acting on a body of mass m. Net force acting on the block is given as,…
Q: A mammoth tusk containing grooves made by a sharp stone edge (indicating the presence of humans or…
A:
Q: C 580 N 1330 N 1.2 m 1.2 m 1.8 m 1.5 m The reaction at A is nearest to: B
A: In order to determine support reaction at A we take moment at point B . Clockwise moment is taken as…
Q: 39) Which of the following formulas shows the Law of cosines? O A. c^2=a^2+b^2-4ac+cos A OB.…
A: According to cosine rule if two sides of the triangle (a and b) and angle (θ) between them is given…
Q: The isospin of pion TT is а. О O b. 1 O c. -1 O d. 1/2
A: Isospin is a quantum number that describes the up-and-down quark composition of a particle. Isospin…
Q: : a. g(x) = (x + 4)² – 5 %3D b. f(x) = - Vx – 6 %3D
A:
Q: 43. a 3i 3j+ k, b = 2i + 4j - k
A: 1) What is Scalar Projection of vector b→ on to vector a→? It is expressed as magnitude on vector…
Q: Write the electron configurations for following elements in the noble gas, notation. (a) Arsenic,…
A: The electron configuration is the management and distribution of electron in orbit and orbitals. The…
Q: 41 : Calculate the kinetic energy of 10 gm of Argon molecule at 127°C. R = 8320 J/kg mole °K. Atomic…
A: Description : In this question we have to find K.E. of argon molecule having weight 10 gm at 127oC.…
Q: A heavy hydrogen nucleus with one proton and one neutron is called a. bi-hydrogen. b. tritium.…
A: With one proton and one neutron in nucleus we get isotope of hydrogen which is called
Q: Before the element scandium was discovered in 1879, it was known as “eka-boron.” Predict the…
A: Concept:At the atmospheric pressure if the solid changes its state to liquid then that point is…
Q: Table (4.1) Rs = 100 Q Reading RL (Q) IL(mA) VL(V) PL(mW) 1 20 54 1 2 40 48 1.7 3 60 42 2.3 4 80 38…
A: Resistance is the tendency to resist the flow of current. This resistance gives rise to the drop in…
Q: 4. 633 DENA 20 What would have happened if aluminium had been used instead of gold in the alpha…
A: The objective of the question is to understand the potential outcome if aluminium was used instead…
Q: Dis the correct answer How are lons formed from atoms? A. Atoms either lose protons, forming lons…
A: Which element has the most like calcium and why
Q: Which of these statements referring to ionization energy is INCORRECT? A. For Na, I2 < l1 B.…
A: Option :D is correct answer
Q: Three materials X, Y and Z. The half value layer of these materials are 1, 5, 15 cm. Which of these…
A: A material's half-value layer (HVL), or half-value thickness, is the thickness of the material at…
Q: True or False does energy need to be absorbed by an atom in order for the atom to increase in its…
A:
Q: If the radius of the nucleus R = 12x 10^-13 cm, and known it is 1 fermi = 10^-13 cm, the nuclear…
A: GivenRadius of nucleus =12×10-13 cmand 1 Fermi=10-13 cm
Q: An atom is moving through space at a constant speed. Which of the following COULD NOT be the atom's…
A:
Q: 2 Nuclear Density Nuclear matter is extremely dense. (a) Calculate the density, in kg/m³, of A…
A: Nucleus is considered to be a sphere, and the density of a sphere is given as ρ=m43πr3m is the mass…
Q: For a two-level system, suppose N2 = 5N1. where N1 and N2 denotes the number of atoms ( unit volume)…
A: In this case, the number of atoms in the two levels is given. And the frequency corresponding to the…
Q: 12. Which statement is not true? a. Precise measurements are always accurate. b. Accurate…
A: Since you have posted multiple questions, we will provide the solution only to the first three…
Q: Which of the following elements are NOT gases at room temperature and atmospheric pressure? 1. F 2.…
A: Which of the following elements are NOT gases at room temperature and atmospheric pressure? Option…
Q: alculate the ratio of H atoms to H₂ molecules in a hydrogen gas in th
A:
Q: Silicon has three naturally-occurring isotopes: 27.9769 amu, 4.68% of 29Si, with an atomic with an…
A: Abundance( in %) Fractional Abundance Atomic weight…
Step by step
Solved in 2 steps
