Find the molecular formula for this compound
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound.
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Determine the cycle time for a single engine scraper rated at 21 cy heaped that is used to haul material from a pit to a fill 900 ft away under severe conditions.
If 35.0 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
Ascorbic acid (vitamin C,c6h8o6) is a water-soluble vitamin. A solution containing 80.5 g of ascorbic acid dissolved in 200 g of water has a density of 1.22 g/ml at 55 c.
Assuming that the specific heat capacity of the solution is 6.37J/degree celcius g and the density of the final solution is 2.00 g/mL, calculate the enthalpy change per mole of BaSO4 formed.
A rudder is tested in a two-dimensional flow tunnel of height h = 1 m, as shown in the following figure. After the flow has become steady, the horizontal velocity far ahead of the rudder is found to be uniform and given by u = U = 2 m/s.
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
Isotope 1 has a mass of 120.9038 {rm amu} and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9041 {rm amu}. What is the atomic mass of this element?
A concentration cell consists of two H2/H+ half cells. Half cell A has H2 at 0.87 atm bubbling into 0.10 M HCl. Half cell B has H2 at 0.45 atm bubbling into 2.2 M HCl. What is the voltage of the cell?
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Clearly identify the US, UR, CS, and CR. Briefly describe the example, and then discuss the variables that contribute to the strength of the conditioning,
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