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He then took the bus for one-fourth of total distance. He walked remaining 10 miles to arrive at the destination. Find total distance of his destination?
You drove 210 miles at the average speed of 20 miles per hour more than your friend, and your friend drove 150 miles. How long it took for you and your friend to meet?
Estimate the activation energy for this reaction when heated to a high temperature, cyclo-propane is converted to propane. Rate constants for this reaction are 1.10 x 10-4 s-1 at 470oCabd
Determine the equilibrium concentrations of all species if 1.60 moles of pure BrCl are initially placed in a 2.5 L closed flask and allowed to reach equilibrium.
How can calculate the concentration of the final solution when a 35.2 ml, of 1.66 M KMnO4 solution is mixed with 16.7 ml. of0.892 M KMnO4 solution.
Write down the structures of the three geometric isomers of dibenzal acetone and assign each one to the three molecules described. Disregard single trans and bond cis isomerism.
Explain why do you extract the organic solution with the aqueous solution 3 times with15mL rather than just once with 45 mL? Discuss which layer upper, or lower will each of the following solvents u
Determine the mass of the original magnesium chloride sample when a sample of MgCl2 is dissolved in the water, and the solution is then treated with an excess of AgNO3 to yield 1.92g of AgCl.
Does the melting point give such information? What evidence do you have that your product consists of a single geometric isomer or a mixture of isomers?
Find out the five compounds of N, H and O described below. For each compound write a Lewis structure that is consistent with the information given.
Discuss how would your measured percent the NaHCO3 change from the correct value if your final product after heating was not totally dry? Also given the following equations
If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25 °C), determine the pressure inside the bottle?
Determine the numbers of milliliters of 0.0620M NaOH are needed to titrate each of the following solutions to the equivalence point?
A buffer solution which is having 0.19 mol of sodium acetate and 0.19 mol of acetic acid in the 1.90 L. Determine the pH of this buffer? Determine the pH of the buffer after the addition of 0.09 mol o
Determine the pH of a buffer that is 0.18 M in sodium lactate and 0.30 M in lactic acid. Determine the pH of a buffer formed by mixing 60. mL of 0.11M lactic acid with 88 mL o
Determine the pH of a solution prepared by mixing the 15 mL of 0.1M NaOH and 30 mL of 0.1 M benzoic acid solution. (Benzoic acid is monophonic; its dissociation constant is 6.5 x10-5)
While searching for a replacement fuel, you discover some diboron, B_2-_. As head engineers of your starship in charge of the warp drive you notice that the supply of dilithium is critically low.
An unusual category of acids known as super acids, which are defined as any acid stronger than 100% sulfuric acid, can be prepared by seemingly simple reactions similar to the one below.
Calculate the hybridization and molecular structure of the central atom X in the polyatomic ion XY_3_^+^ given the following information: A neutral atom of X contains 36 electrons, and the element
Determine a weaker proton donor than the water", does that mean the solution you are looking for is going to be acidic or basic?
Write down the mechanism for the reaction of the elimination reaction of 3-bromo-2-methylpentane with H2O and give the final major product. Use curved arrows to indicate movement of electr
Compounds C and A have one ion in common when compound A is acting as a strong electrolyte. A formula unit of compound C has one more oxygen than a formula unit compound D.
Find out the five compounds of H, N and O described below. For each compound write a Lewis structure that is consistent with the information given. Compound D is 50.0% O and 43.7% N by the mass. If