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determine the vapor pressure of a solution at 55 celsius that contains 34.2g NaCl in 375...
1. There are three different alkenes produced in the dehydration of 3,3 dimethyl-2-butanol. Draw two carbocations...
Block 1, of mass m1 = 5.30 kg , moves along a frictionless air track with...
Explain the purpose of a calibration curve in your own words
0,100 M Na2S2O8 vs 0,200 M Na2S2O8
Sand moves without slipping at 6.0 m/s down a conveyer that is tilted at 15∘. The...
6. A cube of aluminum 10.0 cm on each side is cooled from 111 °C to...
Balance the following chemical equation and determine the number of moles of CO2(g) produced when 4.05...
At 1 atm, how much energy is required to heat 57.0 g of H2O(s) at –16.0...
The para product is not formed to a significant extent. Draw the carbocationic intermediate that would...
Assume Earth to be a uniform, solid, rotating sphere in a completely isolated system. a) Calculate...
A spherical brass shell has an interior volume of 1.20 × 10 − 3 1.20 ×...
A 58 kg woman steps onto an up-going escalator, which has an incline of 32∘ with...
PLEASE ANSWER CLEARLY WITH WORK SHOWN WILL GIVE 5 STARS!! As the temperature of a liquid...
At a certain instant, the earth, the moon, and a stationary 1450kg spacecraft lie at the...
A particle of mass 2 kg and velocity 5 m/s collides head on with another particle...
You have a ball (volume V, average density ρB) and a glass beaker. The ball is...
Suppose that, at t=6.00×10−4 s, the space coordinates of a particle are x=255 m, y=35.0 m,...
1. at constant speed the forces exerted by the spring scale and friction are equal in...
a 500 g piece of iron changes 7 degrees when heat is added. How much hear...
Consider a sheet of paper with a thickness of 0.1 mm and a dielectric constant of...
Consider a sheet of paper with a thickness of 0.1 mm and a dielectric constant of...
1. A bottle of mass 0.5 kg is given an initial velocity of 2.3 m/s on...
Consider the following chemical equation: H202(aq)+ 2FeCl2(aq) + 2HCl(aq) --> 2FeCl3(aq)+ 2H20(l) Filling in the blanks...
The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. The...
2.A hydraulic car lift has an input piston of radius 6.20 cm and negligible weight. The...
1.Determine the number of vibrational modes of NH3 and how many of those vibrational modes will...
You collect a sample of hydrogen gss in an inverted buret by displacement of water at...
List the best 3 methods used in the lab for structural identification of an organic compound...
1. The pKa for the nitrogen at position #3 of thymidine is 9.8 A. Using the...
A mixture of valine, glycine, isoleucine, aspartic acid, phenylalanine, arginine, lysine, asparagine, and methionine are put...
(10) Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s)+3O2(g)→2Al2O3(s). Part A What...
A 15.5 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes...
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) ->...
pressure cookers achieve a high cooking temperature to speed the cooking process by heating a small...
How are autotrophs and hererotrophs linked in nature? A) autotrophs produce CO2, which serves as an...
Matter and matter attract each other. What about matter and antimatter? They repulse? Also attract?
1.30 [2pt] Imagine 2 identical capacitors with C = 1F having a charge Q =1 C....
Consider a conducting sheet with dimensions 1m by 1m by 1mm. A charge of 1 C...
Explain why the answers are correct? 5. In an AC circuit, ∆VC and ∆VCircuit are always:...
An ice skater is preparing for a jump with turns and has his arms extended. His...
Calculate pH after adding 10.00 mL of 0.15 M NaOH to 50 mL of the ammonia/ammonium...
What is the standard reduction potential of the Y3+/Y redox couple if the cell potential of...
During a hurricane, the atmospheric pressure inside a house may blow off the roof because of...
A medium attenuates ultrasound at a rate of 0.7dB cm-1 MHz-1. A target at a depth...
vinegar is an aqueous solution of acetic acid. By law, it must contain 4 g acetic...
1.12 [2pt] Consider one infinitely long straight wire with a uniform charge density of 1 C/m....
A spacecraft of mass 6.00 ? 104 kg is in a circular orbit at an altitude...
1.8 [3pt] How many electrons should we transfer from Earth to Sun in order to match...
Field Sources: Consider the following electric field (where ? and ? are constants): ?(?, ?) =...
Planets are not uniform inside. Normally, they are densest at the center and have decreasing density...
What are the rotational barriers for Butane, 2- Methylbutane and 2,3 - Dimethylbutane, and how are...
A train with a total mass 8.00E+6kg rises 775m as it travels a distance of 55.0km...
Mercury has 0.055 the mass of the Earth and 0.38 the radius of Earth. What would...
The drive propeller of a ship starts from rest and accelerates at 2.90 × 10−3 rad/s2...
How do you determine the direction of the force acting on an object when given its...
consider a square well if infinite sides of width L: a) Calculate the energy and wavelength...
The distance between two lamp posts is 50.0 m. When a 1.0 kg hen perches just...
A track is mounted on a large wheel that is free to turn with negligible friction...
If 500 mL of 2.00
A rhinoceros beetle rides the rim of a horizontal disk rotating counterclockwise like a merry-go-round. If...
The diffusion coefficient for O^-2 in Cr2O3 is 4 × 10-15 cm^2 /s at 1150°C and...
We focus on the geothermal effect in a slightly different manner than in Example 11.3. We...
3. The third electron in lithium 7 3Li is attracted by an effective charge of approximately...
the lowest frequency of a rotaional absorption 14N 16O is the transition from J=0 to J=1...
please, choose the correct answer and explain Why do you choose this answer? In a complete...
Consider a typical adult weighing 165.0 lb and possessing a density of 987.0 kg/m3. What is...
How many grams of oxygen are in 12.5 g glucose?
A 3.00-kg block is moving to the right at 2.30 m/s just before it strikes and...
Consider a diver who takes a deep breath before entering the water. In this case, the...
Calculate the pH at the equivalence point when 10.0 mL of 0.100 M HC9H7O2 (Ka =...
C A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4 , for...
1. Which of the following facts best explain why it is hotter in the summer and...
Two particles are created in a high-energy accelerator and move off in opposite directions. The speed...
Light with a frequency of 3.70 × 1015 Hz strikes a metal surface and ejects electrons...
1. A balloon is filled with He gas to a volume of 2.10 L at 35...
ChE question A fuel oil is analyzed and found to contain 87 wt% carbon, 11 wt%...
A solid disk of mass m1 = 9.3 kg and radius R = 0.21 m is...
A ball with a mass of 2.0 kg is dropped from a height of 1.5 m....
You pull a your friend along in a sled (combined mass is 65 kg), by pulling...
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