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Problem- Water is flowing into a vertical-wall box stormwater catch basin at 0.027 m^3/s. The catch basin dimensions are 3.0*3.5*2.5 meters (l*w*h) before it overflows into the storm sewer. For how many minutes can the water flow into the catch basin before it starts to feed the sewer?
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The pH of a 0.55 M aqueous solution of hypobromous acid, HBrO, at 25.0 °C is 4.48. What is the value of Ka for HBrO.
Chemical analysis of an ether shows 64.82% C, 13.60% H, and 21.58% O by mass. Determine the empirical formula for this ether
Nickel oxide crystallizes in the NaCl type of cystal structure. The length of an edge of the unit cell of NiO is 4.18A. What is the NiO bond length?
Solubility of Mg(OH)2 in water is 9.0z10^-4 g/100mL. What volume of .006 M HNO3 is required to neutralize1.0L of saturated Mg(OH)2 solution
A 32.1 g iron rod, initially at 21.6^\circ C, is submerged into an unknown mass of water at 64.0^\circ C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 58.6^\circ C.
While preparing oxalate buffer, technicican by mistake added 0.1 M of CaC2O4. (pKsp = 7.9) to 0.2 M solution of oxalic acid(pKa's 1.25; 4.26).
Butane (C4H10) reacts with oxygen in the air to from carbon dioxide and water. how many moles of carbon dioxide can be formed from 1.25 mol of butane and excess oxygen?
A newly developed substance that emits 315 W of photons with a wavelength of 275 nm is mounted in a small rocket such that all of the radiation is released in the same direction.
How many distinct locations are there for a double bond in a five-carbon linear chain. What is the correct name for the compound, CH3CH2CH=CHCH2CH=CHCH3
Calculate the solubility product (Ksp) for barium fluoride if the concentration of the barium ion is 3.6 x 10-3 M and of the fluoride ion is 7.2 x 10-3 M.
a solution is prepared by mixing 13.00ml of 0.0021m aqueous hg2no32 with 25.00ml of 0.015m hcl.a. will precipitation
Write the PRODUCTS of the reaction, if there is a reaction in each case: a) KHCO3(aq) + HCl(aq) -->
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