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Skiing equipment with a mass of 587-kg is pulled across a frozen lake by a horizontal rope. If the ice has a coefficient of kinetic friction of 0.05, how much work (in J) is done by the Skiiers pulling their equipment 591-m at a constant velocity?
Reaction of AsCl3 with Cl2 at low temperature yields a product, believed to be AsCl5, which shows Raman bands at 437,369, 295, 220,213, and 3cm-1. Detailed analysis of the 369 and 295 cm-1 bands show them to arise from totally symmetric modes.
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
The cell constant of a conductivity sell is equal l/A. The resistance of the NaCl solution is found to be 254 Ω . Using the same sell the resistance of the 0.05 M KCL is found to be 467 Ω . Estimate the NaCl concentration if the molar conductivity ..
Problem- What limitations have you or someone you know encountered in the past in using nonrelational structures (such as in a Microsoft® Excel® or Word file) to store data
The formula of crystal violet is C25H30N3Cl. write a balanced molecular equation, using this formula, for the reaction of crystal violet with NaOH. then write the balanced net ionic equation.
Problem- It takes 251 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect
A steel alloy to be used for a spring application must have a modulus of resilience of at least 2.07 MPa (300 psi). What must be its minimum yield strength. The modulus of elasticity is 207 GPa (30 × 106 psi)
If the value of overall energy change of CsF(s) is +537.2 KJ/mol, and CsF2(s) is -1635.8 KJ/mol, which compound is more likely to form in the reaction of Cesium with flourine
The concentration of SO42- (aq) in a sample of river water can be determined using a precipitation titration in which a salt of Ba+ (aq) is the standard solution and BaSO4 (s) is the precipitate formed. What is the concentration of SO42- (aq) in a..
Explain which of the compounds have just bonding pairs of electrons as well as around the central atom. Explain which have a single nonbonding pair of electrons around the central atom
To what final volume should you dilute 60.0 mL of a 5.90M KI solution so that 20.0 mL of the diluted solution contains 3.30 grams of KI
Given that 5.9 moles of carbon monoxide gas are present in a container of volume 63.7 L, what is the pressure of the gas (in atm) if the temperature is 47 °C
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