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What is the specific heat of a metal when 8.50 g of the metal absorbs 2600 calories and the temperature rises from 12°C to 24°C? Please show all work
A 2.000 ton block of aluminum at room temperature (22 degrees celsius) is struck by lightning. The lightning transfers 8.000 x 10^6 kJ of energy to the block
During the discharge of an alkaline battery, 13.9 g of Zn are consumed at the anode of the battery. What mass of MnO2 is reduced at the cathode during this discharge
Problem- The preparation of aspirin is an example of a nucleophilic acyl substitution reaction of the nucleophilic phenol group on the protonated acetic anhydride electrophile.
Present a reaction mechanism for the sodium iodide in acetone test which explains the relative rate of reactivity of 1°, 2°, and 3° halides.
2 NaClO3-> 2 NaCl + 3 O2 Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
1. Fat has a lot of kcal, and many people are carrying too much weight. Should humans consume fat? If so, what kind (be specific, using the names [not just types] of the fatty acids) and why.
Scientists are working on purifying PFK-1C from rabbit brain tissue. The rabbit brain tissue was homogenized and centrifuged to remove insoluble material. Next, the soluble preparation was loaded on top of an ATP-Sepharose column.
You have a stock solution of 14.8 M ammonia. How many milliliters of this solution should you dilute to make 804 mL of a 1.64 M ammonia solution
which effect on atomic size is more significant the nuclear charge or the energy level that electrons are filling?
Consider a certain type of nucleus that has a rate constant of 2.92 s 10^-2min^-1. Calculate the time rquired for the sample to decay to one-fourth of its initial value.
Question- A 0.552-g sample of ascorbic acid (vitamin C) was dissolved in water to a total volume of 20.0 mLand titrated with 0.1103 MKOH, and the equivalence point occurred at 28.42 mL. The pH of the solution at 10.0 mL of added base was 3.72.
every ten rounds an amplification of approximately 1000-fold. So, to get an amplification of 4.000 one would do 2 + 10 = 12 rounds . This, of course, assumes high yields for each step.
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