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A rectangular steel plate with dimensions of 60 cm × 25 cm is heated from 20°C to 150°C. What is its change in area? (Coefficient of linear expansion for steel is 11 × 10-6/°C.)
Write the isotope notation for the element that has 77 neutrons, 54 electrons and has a net charge of 2-.
List, in a general way, the information that is provided in the Relative Strengths of Acids and Bases table.Explain how the information in the Relative Strengths of Acids and Bases table is used to support your work in this unit. Use examples to supp..
In what order would the subsequent proteins be eluted from DEAE cellulose anion exchanger by a rising salt gradient: cytochrome c (pI, 10.6), pepsinogen (pI, 1.0) and myoglobin (pI, 6.8)
Write the equation for the general form of an indicator equilibrium. Underline the form of the indicator in acidic solution, and circle the form of the indicator that is in largest concentration in basic solution
Provide structures of the substrate, initial additional product, and the product formed after hydrolysis in the reaction of cyclohexanone with sodium acetylide
The generic metal hydroxide M(OH)2 has Ksp= 6.64x10^-18. (Note: In this particular problem, because of the magnitude of the Ksp and the stoichiometry of the compound, the contribution of OH from water can be ignored. However, this may not always b..
Indicate all the Noabel Laureates in POLYMERS comprise Chemistry and Physics. Explain each of their work in 1 paragraph per person
a 227 ml benzene solution containing2.53 g of an organic polymer has anosmotic pressure of 8.63 mmhg at 21degc.
The system containing the expansion can be considered adiabatic, the behaviour of the gases ideal and the path as a reversible one. The temperature in the initial (compressed state) is 300 K and the final temperature required is 185 K. Calculate t..
how a water molecule (point group C2V) would look if it was rotated C2 about each of the x, y, and z axes and if you can draw a picture. The character table would define these rotations as Rx, Ry, and Rz.
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
3NaHCO3(aq) + H3C6H5O7(aq) → 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
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