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Modern History sections are educated by the team of 2 professors, while Ancient present all sections that they are permitted to, accommodate all of students, and provide one teaching assignment to e
Copper metal 5.00g piece is added to a colorless aqueous solution which have 20.0g of Zn(No3)2. The products that form are a water soluble a gray metal and the blue ionic compound.
Explain why is it important to use the anhydrous conditions with LiAlH4? Why the temperatures affect NaBH4 reactivity? And explain how?
The Fancy French Perfume Company currently had its secret formula divulged. How much of every ingredient did it use in econo-size bottle?
The NH4NO3 a 1.00 g sample is decomposed in a bomb calorimeter. The temperature enhances by 6.12°C.Determine the molar heat of decomposition for ammonium nitrate?
Assume that photons of blue light are used to locate the position of a 2.80 g Ping-Pong ball in flight and that the uncertainty in position is equivalent to one wavelength. Explain the minimum uncer
Aragorn the Great has show off to his hordes of followers that several notorious villain has fallen to awesome sword. How many of every kind of villain has he slain.
We put $11500 into the account earning 7% interest compounded continuously. How many years will it take for account to grow to $32200?
The difinite species of bird was introduced in the certain county 25 years ago. Biologists observe that population doubles every 10 years. Compute bird population 2 years from now.
In the arithmetic sequence, 2nd term is four times the 5th term, and sum of first ten terms is -20. Determine frst term and the common difference.
Determine all horizontal and vertical asymptoes of the graph of H(x). Determine the y-intercepts of the graph of the graph of H(x)
If you borrow 500$ which you agree to repay in six equal monthly payments at 1% interest per month on unpaid balance, how much of every monthly payment is used for interest and how much is utilized
The company finds that it will have to replace the piece of equipment at the cost of $800'000 in 5 years. How much must each payment be?
Wishing to use her money sooner, attorney sells note to the third party for 5'560$ after 30 days. Find annual interest rate will third party get for investment.
With the smaller sodium ions occupying holes among the chloride ions, the Sodium chloride crystallizes in a face-centered cubic lattice of chloride ions. Determine the number of Cl- ions are in cont
At 60°C a mixture of 100 g of K2Cr2O7and 200 g of water is stirred until no more of the salt dissolves. The resulting solution is poured off, leaving the un-dissolved solid behind.
Determine the equilibrium pH of an aqueous solution that have the 2.55 g of Al(OH)3 (s) ksp= 2.00x10-32. also, find out the activity coefficient of Al3+
Consider h(x)=4(X-7)5(X+2)8(X+3)(X2 + X+1) Find how many complex zeros does h(x) (counting multilicity). At how many points does graph of h(x) touch, but not cross, x axis? Write does croosings.
Evaluate the relative reducing strengths of the NaBH4 and LiAlH4. Explain what types of functional groups are reduced by each?
A current was maintained for 20 minutes at 25.0 amps by a solution having the surplus Cu2+. Explain how much Cu is plated out on cathode?
Answer the questions given below about polynomials. Write the possible rational zeros of g(x). Describe why g(x) should have zero between X=-1 and =0
At 100degrees C if a 58g sample of metal is placed into a calorimeter that having 60 g of water at 18 degrees C, the temp of the water raised to 22 degrees C.
The formula of Morphine has C15H12NO3. Morphine is a base and accepts one proton per molecule and it is isolated from the opium. A 0.681g sample of opium is found to involve the 8.93mL of a 1.17&tim
If the gas is initially at 200oC and 800 KJ of heat is added into the system than what is the change in entropy of 10 mol of ethylene? Suppose secure atmospheric pressure and flow process and flow
Compute function representing demand p(x), where x is number of television sets sold per week and p(x) is corresponding price.