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A box of 215 N is positioned on an inclined plane which makes a 35.o degree angle with the horizontal. Determine the component of the weight force parallel to the surface of plane.
The chemistry of compounds composed of a carbon monoxide and transition metal has been an interesting area of research for the past 60 years. Ni (CO) 4 is produced by the reaction of nickel met
A boat is approaching the coastline at speed 0.5c. According to the captain, determine with what speed is the light from the beacon approaching her boat?
What maximum percentage of sulphur content can the fuel have if all of the sulphur oxidizes to So2 and if the emissions of SO2 are limited to0.6 lb SO2 per million Btu of heat into the power plant?
Assume first and last columns of the 3 by 5 matrix A are same (not zero). When solving Ax=0, which is free variable? Determine parametric solution to homogeneous equation.
A solid disk is rolling devoid of slipping all along a horizontal surface having a speed of 4.50 m/s when it begins p a ramp which makes and angle of 25.0 degrees with the horizontal. Determine the
Student A measures that a 7.43-g sample of solid displaces the 2.80 ml of water in a graduated cylinder. Student b measures a 6.10-g of the same sample metal. Estimate the volume of water should sa
What will be the osmotic pressure in torr of this solution at 25degree Celsius when a solution of .125 g of a protein dissolved in 50 mL of water, if the molar mass of the protein is 15000
A solid disk is rolling devoid of slipping all along a horizontal surface with a speed of around 4.50 m/s when it begins a ramp which makes and angle of 25.0 degrees with the horizontal. Determine t
Use Master Theorem to get time complexity of algorithm. Find that asymptotic upper bound (big-O) and verify it using proof-by-induction.
In this lab we heated a magnesium ribbon in a crucible to produce the MgO. The point was to discover it's Empirical Formula. Knowing that room air contains N2 as well as O2 we added H2O to get rid o
An electron moving via an electric field of around 500 N/C and a magnetic field of around .10 T undergoes no force. The two fields and the electrons direction of motion are jointly perpendicular. De
Perform a basic economic analysis. Assuming that it will cost the $25/L to dispose of liquid waste and $25/kg to dispose of solid waste, demonstrate how the cost of waste disposal influences the cos
Determine the silver concentration in a solution prepared by mixing the 250 mL of 0.310 M silver nitrate with 100 mL of 0.160 M of sodium chromate?
Determine a reactor in which the production rate of U-239 via the238U(n, γ) 239U reaction is 10^5 atoms/s. Determine the activity of 239Pu after an irradiation of
A ball of 43g is fired horizontally with the initial speed, Vo, toward a ball of 110 g which is hanging motionless from a string of 1.0 m long. The balls experience a head-on, perfectly elastic coll
Determine the probability of a 222Rn atom decaying in our lounges? The atmospheric concentration of 222 Rb may be assumed to be 1 pCi/L. In an average breath we inhale 0.5 L of air and exhale it 3.
Consider the case where A → B → C and where λA = λB. Develop an expression for the activity of B as a function of time. Determine the time t when the activity of Breaches a m
Sulphur dioxide reacts with the chlorine to form the thionyl chloride (used as a drying agent for inorganic halides) and dichlorine oxide(used as a bleach for pulp, wood and textiles).
Let, consider the Bohr model for the hydrogen atom. An electron is excited to from the ground state to the n = 5 orbit through a photon of light.
Magnesium nitrate (Mg (NO3)2) solution is mixed with the potassium carbonate solution (K2CO3). Write down the balanced molecular equation describing this reaction using the appropriate. State subscrip
Discuss why the Cell Membranes are disrupted from a slight cooling? For example, I did a lab and the plasma membranes were disrupted more at 5 degrees Celsius than they were at room temp.
Let, consider a phototube having a cathode made of Sodium metal: i) Determine the longest wavelength which will generate photoelectrons when no voltage is applied to the phototube?
How many iron atoms are within a unit cell? Metallic iron crystallizes in a cubic lattice the unit cell edge length is 287 pm. The density of iron is 7.87 g/cm3.
Determine how many times faster would this reaction be if the reaction temperature is 50.0 0C? A certain reaction with activation energy of 64.5 kJ/mol, runs at the 25.0 0C and its rate is c