1. A 3-ft3 oxygen tank used for welding is filled to 45 psi on a typical 700F day. After using the tank for two days, the pressure reads 30 psi. How many Ibm of oxygen were taken out of the tank? Ans: 0.2534 Ibm

Q: Consider an initial rate experiment for 2A(g) + B(g) --> products: Determine the order of the…

A:

Q: Needs Complete typed solution with 100 % accuracy.

A: The objective of the question is to identify where the first order hydration, a process where water…

Q: Suggest a procedure to separate iron filings from sawdust. Explain why this procedure works.

A: A magnet attracts certain materials. Materials are classified on the basis of their magnetic…

Q: How many forces are acting in X Direction? Hint: Draw FBD and break forces into Components B 30% FAE…

A:

Q: Define an equilibrium constant for gas-phase reaction.

A: Given: An explanation of an equilibrium constant of gas phase reaction is given as,

Q: Choose the correct number of molecules in a mole oft Gold VChoose... 197 Water 6.02 x 10 23 18…

A: As we know,  The number of molecules in a mole is NA, called Avogadro's number.  1 NA = 6.02 x 1023…

Q: Why zener breakdown voltage decreases with increase in temperature?

A: One of the most important characteristics of zener diode is zener break down. When a reverse voltage…

Q: How can you separate salt from three salty chicken wings? Write a procedure that can give you an…

A:

Q: Give the following problem a try. If you get stuck, here is one way to work it: Essential Solution…

A: Linear Expansion: In linear expansion, the material expands or contracts along a single dimension,…

Q: The susceptibility of magnesium at Book is 2.4x 10-5. At what temperature will the sus cepfibility…

A:

Q: Which of the following represents the characteristic curve of a NON-ohmic material? Choices:  A…

A:

Q: How do you identify the unknown from simple distillation which was analyzed by a GC? And How the…

A: To answer: How do you identify the unknown from simple distillation which was analyzed by a GC? How…

Q: thermometer. A 57.5 g sample of aluminum is put into a calorimeter (see sketch at right) that…

A: Given, mass of aluminum is m=57.5g the initial temperature of aluminum is Tia=91.5oC mass of water…

Q: 37.2 • The positive muon (u), an unstable particle, lives on average 2.20 x 10-6 s (measured in its…

A:

Q: what will be the concentration ratio of vacancies at 1000k temperature if the vacany formation…

A: We have  Temperature T = 1000 K  Vacancy formation energy Qv= 100 eV Boltzmann constant KB = 8.62×…

Q: Write the half-reaction for the silver-silver chloride reference electrode. Include physical states.…

A:

Q: In the BV graph the IUPAC convention indicates that the positive current corresponds to ___________…

A: Cyclic voltammetry is a versatile electrochemical approach that can be used for a variety of…

Q: A car starts from rest and accelerates uniformly at 4.0 m/s2 toward the north. A second car starts…

A:

Q: Discuss electrolytes and nonelectrolytes in a solution.

A:

Q: Three loads L1, L2, and L3, each with resistance of 2.2 Q, are connected across a 9 Vdc source. L2…

A: Three loads are : L1 = 2.2 ohm L2 = 2.2 ohm L3 = 2.2 ohm V = 9 volts

Q: Determine the lattice constant, coordination number, afp of hexagonal close pack. Please help me…

A: INTRODUCTION:- Hexagonal Close Packed (HCP) • Cell of an HCP lattice is visualized as a top and…

Q: An irregularly shaped piece of metal of density 7.8 g/cm^3 weighs 429 grams when completely immersed…

A: The weight of an object is the product of the mass and acceleration due to gravity. The mass of the…

Q: At what temperature do we observe the maximum solubility?

A: The figure is associated with maximum solubility is as follows :

Q: Define the term ion-product constant?

A: Electrolytes are molecules that dissociate in water forming cations (positively charged ions) and…

Q: Lattice Dynamics of Crystals Giuseppe Grosso, Giuseppe Pastori Parravicini, in Solid State Physics…

A:

Q: answer is mentioned in the picture containing the question. Kindly check the answer before…

A: According to the question Given,

Q: Date:. a car moves along a path expressed as: S = 4+² 3+² +8 2 Where s is in meters while t in…

A:

Q: When we expose iron constructions to water and oxygen, they become rusty. This chemical reaction,…

A: Fe+O2+H2O →Fe(OH)3

Q: Using the experimental data shown in below figure: a) determine the constants in the Hall-Petch…

A:

Q: Explain in details how the Optical Properties of metal nanomaterials differ from bulk?

A: Metal nanomaterials, which are composed of metal particles with sizes ranging from 1 to 100…

Q: Which statement is correct: "At Zero Bias...." O There is no current (either drift or diffusion) O…

A: Zero Bias means when the external voltage is zero. i.e., when an external voltage is not applied…

Q: Derive the formula for the depletion force between two large particles (with a radius of ?) with a…

A:

Q: How many grams is 3.2 mol of N2? Round your answer to the nearest whole number.

A: Molar mass of N2  = 2 * Atomic mass of N = 2 * 14 g/mol  = 28 g/mol

Q: A solution is  prepared by dissolving 50 grams of salt in 250 centimeter cube of water. Find the…

A: The objective of the question is to find the density of a solution prepared by dissolving 50 grams…

Q: Given IE(gc) = 1.2 mA, beta = 120 and ro = 40 kilo ohm, sketch the following: a. Common-emitter…

A:

Q: Multiple Representations Problem Solving: The Bus Chase! Problem: Just as you turn onto the main…

A: The velocity of the bus is v1=50 km/h Your initial velocity is u2=0 m/s Distance till the second…

Q: a) Consider three (3) charges on the x-y plane: q1 = -2.00 µC at (0, +0.80 m); q2 = +4.00 µC at…

A: q1 = -2 μC @ (0,0.8 m) q2 = +4 μC @(-0.50 m , 0 ) q3 = -3 μC @(0,0)

Q: Three forces act concurrrently on a body. Force A has a magnitude of 200N and points 50° N of W;…

A:

Q: Using the data below please make two graphs with Excel (or a similar program). 1. Absorbance…

A: Given data:

Q: When the combination of two drugs results in an acute effect that is equivalent to thesum of the…

A: Synergism comes from the Greek word "synergos" meaning working together. In toxicology, synergism…

Q: Choose the correct number of molecules in a mole of: Gold VChoose... 197 Water 6.02 x 10 23 18…

A: To find:  the number of molecules in a mole of different elements or compounds