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A metal piece of mass 27 grams at the temperature of 99 degree Celsius is positioned in a calorimeter having 45.1 g rams of H2O at the temperature of 21 degree celsius. Calculate the specific heat capacity of the metal when the final temperature of the mixture =38.7?C.? (Assume that there is no energy lost to the surroundings.)
Describe the process design and application - Water and Wastewater Treatment
Determine how many grams of NaCl should be dissolved in a liter of H 2 O to produce an isotonic solution?
Multiple choice questions in Nuclear chemistry - As the temperature of a sample of a radioactive element decreases, the half-life will
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
Calculate How many grams of H2O at temperature 25 degree Celsius should be poored on the ice with no water in flask initially.
Design a qualitative analysis scheme
Calculate the number of 5.70m NaOH must be added to 666 ml of a buffer that contains .0205m C2H4O2 and .0260m C2H3NaO2 to increase the ph to 5.75.
Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?
If the actual yield is 220.0 g and the theoretical yield is 275.6 g then what will be the percent yield of ferrous sulfide.
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
Describe each reaction and provide the name of all the chemical formula involved for each number.
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