Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Consider the following approximate figures relating to cigarette smoking and cancer. The death rate in the US population of 270 million is 15 deaths per 1000 persons per year. One-fifth of these deaths are from cancer and one-fourth of the cancer deaths are from lung cancer. Ninety percent of the lung cancer deaths occur among the sixty million people who smoke. How many deaths are there per year in the US from ?all causes How many cancer deaths? How many lung cancer deaths
a stationary orbit is done with a period equal to the time it takes the planet to revolve one time so that the satellite appears to remain at the same point in the sky all the time. Find the radius of a stationary orbit
An engineer uses an economic analysis to determine which of the two machines to purchase. All the machines that are being considered are capable of performing the same task. Assume that the minimum attractive rate of return is 12% compounded m..
A pipe of 20 cm diameter is carrying a discharge of 0.1 m3/sec. If the diameter of the pipe is reduced to 5 cm at its end, calculate the velocity and velocity head at the pipe outlet.
A ring with radius R has a total charge Q uniformly distributed around it. To leading order, find the electric field at a point along the axis of the ring, a very small distance z from the center
An energy management system that can save 7,500 per year for four years, expenses are 2,000 per year, installed at a cost of 20,000. At the end of 4 years it is expected to be sold for 1,250. using the end of year convention, the rate of retur..
Give the structures of two different aromatic compounds that could be used to synthesize benzene-1,2-dicarboxyclic acid
A hypodermic syringe is attached to a needle that has an internal radius of 0.304 mm and a length of 3.05 cm. What force must be applied to the plunger, which has an area of 1.05 cm2
Prepare a flowchart of a typical job order system with arrows showing the flow of costs and prepare separate journal entries for each type of manufacturing cost.
Use Coulomb's law to calculate the ionization energy in {\rm kJ/mol} of an atom composed of a proton and an electron separated by 80.0 pm
a. Given the following chart and information fill in the missing values. Please write on a separate sheet. Note that r = $50 and w = $100. Use a price of $5.50.
Copper is elctroplated from CuSO4 solution. A constant current of 4.00 amp is applied by an external power supply. How long will it take to deposit 1.00x10^2 g of Cu? The atomic mass of copper is 63.546.
How do the following changes affect the value of the equilibrium constant for a gas-phase exothermic reaction: 1. removal of a reactant
Predict which of the compounds should undergo a more rapid reaction with potassium tert-butoxide. EXPLAIN your REASONING and give the product of the reaction?
How many molecules of NH3 do you have when you have 2.6 moles of NH3. How many moles of water do you have when you have 1.12 x 10 26 molecules of water
A sample of gas occupies 250 mL at STP. What is the temperature if the gas expands to 1500 mL at a pressure of 0.500 atm?
Consider the following reaction: Xe(g) + 2 F2(g) ? XeF4(g) Kc = 1.58 × 10-8 A reaction mixture initially contains 2.24 atm Xe, 4.27 atm F2, and no XeF4. If the equilibrium pressure of Xe is 0.34 atm, find the equilibrium constant (Kp) for the reac..
Determine the arrangement of electron pairs about Se in the SeO2 molecule. What would you expect for the molecular geometry of the SeO2 molecule?
In the lab using conc. HCL and heat, if the solubities of reactant and product were reversed , how would the isomerization be followed. How would one knows when it is complete
A calibrated flask was filled to the 25.00 {\rm mL} mark with ethyl alcohol. By weighing the flask before and after adding the alcohol, it was determined that the flask contained 19.7325 {\rm g} of alcohol
Balance the equation using the smallest possible integers. Also determine the sum of the coefficients of the reactants?
The ionization constant for the weak acid HA is 4.0 x 10^-8. Calculate the equilibrium concentration of H+, A- and HA in a 0.050 M solution of the acid.
Given the values of DGfo given below in kJ/mol, calculate the value of DGo in kJ for the combustion of 1 mole of propane to form carbon dioxide and liquid water.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: info@expertsmind.com
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd