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Determine missing sides and angles in right triangle. All angles must be in degrees (not radians), and all trig functions entered will be estimated in degrees (not radians).
What is the cause of the inhibition and which specific step is inhibited by the presence of these ions and Determine the end products of this inhibition process?
A block of a certain material starts to slide on an inclined plane if the plane is inclined to an angle of 12.41°. When a solid cylinder is fashioned from the similar material, determine the max
Compute a particle undergoing a random walk on the x axis, starting from the x=0. At each step, the particle is equally likely to move right or left by distance s.
Nineteen (19) 137Cs radiation therapy sealed sources totaling 0.604 Ci were stolen from Moses Cone Hospital in Greensboro, NC and never recovered (true story). 137Cs emits a 0.667 MeV gamma ray. Det
Determine pH after adding the 0.010 M HCl to 1000 mL of a buffer solution. Containing the 0.10M acetic acid ( HC2H3O2) and 0.10M sodium acetate (Na C2H3O2). Ka=1.8 x10^-5
Determine the molarity of the acid solution if 26.25 mL of a standard of a standard 0.1850 M NaOH solution is needed to neutralize the 25.00 mL ofH2SO4
At a point 5 meters from the scene of the accident comprising a radiation source, you detect an exposure rate of 87 mR/hr. You are assigned to establish an exclusion zone (2mR/hr.) around the accide
Determine the energy released when the 12.5 g of steam at 120Celsius are converted into the ice at minus 25 Celsius. Demonstrate the formula.
Determine the average torque applied on the wheel given that it is a disk of radius 0.79 m and mass 6.4 kg.
Determine the partial pressure of the CO2 if a gaseous mixture containing the 2.5 mol of N2 and 7.6 mol of CO2.The mixture has a total pressure of 7.5atm.
Forty-nine mill curies (49 x 103 micro curies) of a long half-life radionuclide in the soluble solution is to be discharged into the sanitary sewer system through a University.
At 21.2 Celsius an 82.5 g sample of a metal is heated to 98.5 Celsius and is added to 125.0 g sample of water. The final temperature of the mixture is 27.5 Celsius after thermal equilibrium is estab
A fish takes the bait and pulls on the line having a force of 2.2 N. The fishing reel that rotates without friction is a cylinder of radius 0.052 m and mass 0.88 kg. (i) Determine the angular accele
At a temperature of 28.33 Celsius a sample of chromium weighing 34.5 g was initially. It needed 945 Joules of heat energy to increase the temperature to 31.75 Celsius.
Standing on a roof on July 4, you view a burst of distant fireworks. You hear the explosion 8.25 s later. Determine how far (in km) are you from the point of the explosion? Suppose that the temperat
Assume the mixture is ideal. A mixture is formed form 5 mol of liquid benzene and 5 mol of liquid tolulene at 25C and 1atm. Use Δf G (benzene, l)=90kJ/mol and Δf G(toluene)=100kJ/mol.
If capacity of radiator is 3.6L, how much coolant must be drained and replaced with water to decrease antifreeze concentration to suggested level?
Explain how would you write the balanced equation for the reaction of the acetaldehyde, CH3CHO with Toller's reagent, Ag(NH3)2+ (aq).
Assume that the G-string of a guitar is 3.6 m long and consists of a linear density of 78.9 mg/m. The thumb screw joined to the string is adjusted to give a tension of 3.5 kN. Determine the basic wa
Illustrate the lew is structure for the molecule, including all the resonance structures. The formulas for Nitryl chloride is NO2Cl. Explain the electron pair and the molecular geometries, and g
Assume that we have tube which is closed on one end and open on the other similar to what you employed in Standing Waves lab. When this tube consists of plunger at the position 147.7 cm and 11 nodes
Determine the buffer capacity of an acetate buffer with concentrations of HAc and NaAc are 0.1 m mole per liter? Explain what equation to use and how to work the problem.
Briefly explain why this is atonable assumption given the experimental conditions. An implicit assumption of the Dumas Method is that the gas in question behaves ideally.
When the elastic limit of steel is 5.0 X 10* Pa, find out the minimum diameter a steel wire can have if it is to support a 70 kg circus performer devoid of its elastic limit being exceeded.