How do you determine the percentage error of a zinc rod when the experiment density is 0.0071g/cm^3 and the accepted density is 7.1 g/cm^3 and the mass is 69.5?

Q: ou run quality control for a bolt producer. This past week, the plant ompleted a run of 3-inch…

A: To calculate the Z-value, we first need to determine the distance between the sample mean and the…

Q: For a mixture of 40% nitrogen, 35% oxygen, and 25% carbon dioxide on a molar basis, what is the…

A: Solution:-            The given ecpression,                   P=R¯Tv¯-b-av¯(v¯+b)T12…

Q: When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5…

A: Given that, The weight of the child = 20 lbs To convert from pounds to kilogram we can divide by 2.2…

Q: Q1: Calculate electrons and holes concentration in a germanium sample . If T=300 K, Na-5×10¹%/m³,…

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Q: Suppose that a 0.85 cm thick part of gold, which originally contains 1200 silver atoms for every…

A: Given,Thickness t=0.85cmsilver atom Ns=1200Gold atom Ng=5600After dopping silver atom Ns'=3200

Q: In the figure R = 4.17 Q, R2 = 12.5 Q, and the ideal battery has emf ɛ = 12.3 V. (a) What is the…

A: R1 = 4.17 ohm R2 = 12.5 ohm E = 12.3 volts time = 2.23 min = 133.8 sec

Q: Polonium, the Period 6 member of Group 6A(16), is a rare radioactive metal that is the only element…

A: The density of the unit cell is given by,

Q: he radius of the atoms of a material crystallized in a volume-centered system is H A. Calculate the…

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Q: The density of iron is 8 grams per cubic centimeter. The atomic mass of iron is 56 grams per mole…

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Q: How many atoms are in a 1.60 cm x 1.60 cm x 1.60 cm cube of aluminum? Submit ΑΣΦ Request Answer C ?…

A: Side of cube ( s ) = 1.60 cm  Cube is made up of aluminium ( Al )

Q: The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if…

A: Given, density of neptunium , ρ = 19.6g/mL =19600 kg/m3 Mass , m = 70 kg We know that , density =…

Q: If the osmotic pressure of the blood is within (100 psi) at a temperature of (37°C). How much…

A: Given, P=100 psiT=370C

Q: A tank initially holds 100 gal of a brine solution containing 1 Ib of salt. At t-0 another brine…

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Q: 2. A sample of rubidium gas of volume 1 x 10-8 cm3 is cooled until it forms a Bose-Einstein…

A: please see the next step for solution

Q: The volume of sample loaded (Vinj) to a capillary by hydrodynamic injection can be calculated using…

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Q: Find the mass of a thin wire lying along the curve r(t) = /2ti+ 5t j+ (7-t) k, 0sts1, if the density…

A: In this question we have to find the mass of the thin wire lying along the curve r(t). Please give…

Q: Our classroom was kept at 25.0°C during your experiment, so v is predicted to be 343 m/s. What is…

A: Given data :              Speed of sound in air ;                                          Expected…

Q: If the length of a wire is 6.15 m, the diameter is 0.29 m, and the volumetric density is 0.042…

A: Given data,     Length of wire, L = 6.15 m     Diameter, D = 0.29 m     Volumetric density, ρ =0.042…

Q: A substance has a hexagonal closed-pack crystal structure, if its density is 6.51 grams per cubic…

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Q: The specific reaction rate constant k is a strong function of temperature according to the following…

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Q: after finding a and b, please offer a simple explanation to why these values differ. thanks

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Q: In the text, it was shown that N / V = 2.68×1025 m−3 for gas at STP. (a) Show that this quantity is…

A: Given:- N / V = 2.68×1025 m−3

Q: licon used in computer chips must have an impurity, level below 10 (that is, fewer than one impurity…

A:

Q: The pressure, P of an ideal gas, can be expressed as P = nRT/V where n is the number of moles, T is…

A: Given: P=nRTVR = 8.314 JK-1mol-1

Q: (a) The probability that a molecule in the atmosphere is at a height between z and z + dz above the…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Calculate the formula weight of (a) Al1OH23, (b) CH3OH,and (c) TaON.

A: The formula weight of (a) Al1OH23, (b) CH3OH, and (c) TaON is to be determined as below, (a) The…

Q: According to the Ideal Gas Law, PV = KT, where P is pressure, V is volume, T is temperature (in…

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Q: ulate Sherwood number ulate Schmidt number ulate the rate of antibody deposition across

A: a) The Sherwood number(Ns) is the ratio of the convective mass transfer to the rate of diffusive…

Q: After carrying out repeated measurements for the pressure of a gas and making the calculations, the…

A: Given: The measured value: P=1.543780 Pa The uncertainty: ∆P=0.055000

Q: What is the pressure of the gas in the cylinder, in kPa (kiloPascal)? Pfluid = 13.9 x103 kg/m³, 1.0…

A: Density of fluid is Gravitational acceleration is Height of the right column is Height of the left…

Q: A number of particles are moving in a box. Their speeds are measured, and the number of particles,…

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Q: The density of gold is 19.32g/cm^3. Do dimensional analysis to figure out how you can approximate…

A: We have been provided that- The density of gold=19.32 g/cm3 Mass of gold=196.96 uSo, the volume of…

Q: A cylinder 20cm long and 6cm in radius is made of two different metals bonded end to end to make a…

A: Every body on the Earth has its mass and occupies some volume. The concentration of mass in a given…

Q: what equations can i use to find mass density of 2 samples that are identical? Volume is 2.2cm^3 and…

A: Mass density of a sample can be calculated using equation , density = MassVolume

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

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Q: Three measurements for the boiling point of water are 100.4 °C, 100.1 °C, and 100.0 °C. The accepted…

A: The given question is based on measurement principle To solve the given problem we will state the…

Q: Find the number of molecule per unit volume of oxygen at N.T.P. (Mass of oxygen molecule = 5.313 ×…

A: Kinetic theory of gases model is the molecules are very small compared to the distance between them.…