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Define how to calculate the power use of the refrigerator and how to calculate the value of A if the room temperature is 25 degrees Celsius.
Calculate the composition and quantity of all phases for a 50 wt % Magnesium - Lead alloy at 435 deg Celsius. Sketch the resulting microstructure, assuming the material was equilibrium cooled from the liquid phase.
In the laboratory you are asked to make a 0.648 m cobalt (II) bromide solution using 350 grams of water. How many grams of cobalt (II)
the starting concentration of reactants (Q) and products (R) are both 15 uM, then the equilibrium concentration of Q and R is what in uM?
What hydroxide concentration is required to, from a 2.50 X 10- 2 M solution of AliS04h, lower the AI3+ concentration in the foregoing solution to 2.00 X 10- 7 M
Compute and then plot the concentration of oxygen each day for a period of five days starting with a concentration of 8 mg/L. Utilize a rate constant of 0.35 d-1.
In the distillation of a flammable mixture why is it important to keep the graduated cylinder distillation receiver as high up the bottom of the bent vacuum adapter as possible
the trunk remains undistrubed for 13,750 years what percentae of the original c-14 is still present ? ( half life of c-14 = 5730)
You are studying a reaction wherein compound X is dehydrogenated to yield compound Y, and in the absence of a catalyst you have determined that the Go under standard conditions of pH 7 and 37o (RT = 0.59 kcal/mole) has a value of +0.7 kcal/mole.
The gas receives 525 J of heat from its surroundings and does 428 J of work. What is its final internal energy?
a) A particular chip snack food is composed of 11% protein, 10.% fat, and the rest carbohydrate. What percentage of the calorie content of this food is fat in%? b) How many grams of protein provide the same fuel value as 40. g of fat in g?
A metal M in the third period reacts with a nonmetal in X the second period to form the ionic compound MX, What is the formula of this compound
Sketch a series of titration curves for the titration of a strong acid with a strong base where the concentration of the acid is 10-1, 10-2, and 10-3 mol dm-3 respectively. Explain why the choice of indicators is restricted at different acid conce..
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