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1. You have a rectangular solid beam of height 5.0 mm and width of 3.0 cm. The beam is loaded 27 cm from a clamped end with a load of 20.1 N.
A. What is the area moment of inertia of the beam? (Watch units.)
B. If the de?ection is 2.0 mm, what is the modulus of elasticity of the beam?
Calculate the Ka of an unknown monoprotic acid .When 15ml of the acid was titrated with 28 ml of 0.15M sodium hydroxide the equivalence point was reached at a ph of 8.48
Explain the details about the procedure for the known hydrate (Part 1) and designing the procedure used for the unknown hydrate (Part 2). Be concise and descriptive.
Draw the Lewis structure and shape for the ammonia, NH3. Which of the following statements are correct. VSEPR Choose at least one answer. a. There are 8 valence electrons. b. There are 10 valence electrons.
How many moles of ozone would there be in the air above Los Angeles County (area about 4000 square miles; consider a height of 10 m above the ground) if ozone was at this concentration?
A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?
What is formed by reacting an alkene with hydrobromide?
A proton in a linear accelerator has a de Broglie wavelength of 144 rm pm. what is the speed of the proton?
Will the equilibrium concentration of the product FeNCS2+ in the test solution be too high or too low please explain
The subscripts in a chemical formula represent the relative mass of each atom in a chemical compound. Explain why
Can you determine whether soap or a detergent is the better emulsifying agent? Explain.
Problem- An aqueous solution has a normal boiling point of 103 c. What is the freezing point of his solution. For Water Kb= 0.51 C/m and Kf= 1.86 C/,
Each reaction needs to be balanced and all physical states (s, l, g, aq) noted (you may need to look these up or read the lab to determine the physical states).
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