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A cylindrical rod of copper (E = 110 GPa) having a yield strength of 240 MPa is to be subjected to a load of 6,958 N. If the length of the rod is 370 mm, what must be the diameter in mm, to allow an elongation of 0.5 mm?
Calculate the molarity (M) for each of these solutions--you must show all work in detail to receive credit: (a) 31.45 g of NaCl in 1.75 L, (b) 14.41 g of MgS in 0.850 L, (c) 0.4567 g of CuSO4 in 630 mL, (d) 25.5 mg of NaCN in 7.00 mL
The compound MgSO4 is called Epsom salts. How many grams will you need to prepare a bath containing 5.80 moles of Epsom salts? Express your answer using three significant figures.
what is the molar concentration of nitrous acid in a solution with a volume of 276 mL containing 17.1 grams of hydrogen nitrite?
At 1 atm, how much energy is required to heat 73.0 g of H2O(s) at -20.0 °C to H2O(g) at 133.0 °C?
The final equilibrium temperature of the resulting solution is 18.1 C. What is the enthalpy of solution, H, in kilojoules per mole of KBr?
Calculate the concentration of all ions present in each of the following solutions of strong electrolytes.(a) 0.0214 mol of sodium phosphate in 10.5 mL of solutionchemical concentration Mcation concentration Manion concentration
Question- Automobile airbags contain solid sodium aside, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. 2NaN3(s) -> 2Na(s) + 3N2(g) Calculate the value of w (work) c following system if 20.4 g of NaN3 reacts complet..
what are some examples of biomolecules that are detected by studying their activities
multiple choice questions in nuclear chemistry.1.as the temperature of a sample of a radioactive element decreases the
If I use magnesium hydroxide to neutralize hydrochloric acid, I get water and magnesium chloride. If I use 5.67 g of magnesium hydroxide to neutralize my hydrochloric acid, what is my percent yield if I only get 4.00 g of magnesium chloride?
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 203.00 pm
Diethyl ether has a H°vap of 29.1 kJ/mol and a vapor pressure of 0.703 atm at 25.0°C. What is its vapor pressure at 85.0°C?
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