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(a) Give the empirical formula and structural formula for a cyclic ether containing four carbon atoms in the ring.
(b) Write the structural formula for a straight-chain compound that is a structural isomer of your answer to part (a).
how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react
Problem- What is the percent yield of the reaction in which 76.0 g tungsten (VI) oxide (WO3) reacts with excess hydrogen gas to produce metallic tungsten and 7.88 mL of water (d= 1.00 g/mL)
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m. Assume the van't Hoff factor for NaCl is 1.87.
What is the silver ion concentration in a solution prepared by mixing 407 mL of 0.364 M silver nitrate with 401 mL of 0.435 M sodium chromate? The Ksp of silver chromate is 1.2 × 10-12
What volume of 3.50M H2S is required to react with excess O2 to produce enough NH3 to fill a cylinder that is 50ft long and has a diameter of 13 ft at a pressure of 450 torr and 20?F?
Why will the extraction of benzoic acid by NaHCO3 generate a greater pressure of gas in the separatory funnel than the extraction
If chlorine gas (Cl2) is added at a dose of 2 mg/L, estimate the quantity (pounds) of chlorine that must be added to treat 15,000,000 gallons of water
if you burn 1.5 mol C3H8 according to the following reaction C3H8 +5O2 = 3CO2 + 4H2O how many grams of carbon dioxide are produced.
A sample of white gold is 18.0 grams gold, 3.0 grams silver, 2.0 grams cobalt, and 1.0 gram platinum by mass. What is the percent of platinum in the sample
The volume of a gas sample is 650. mL at STP. What volume will the sample occupy at 25.0°C and 950. torr pressure.
Question- To electrodeposit all the Cu and Cd from a solution of CuSO4and CdSO4 required 1.30F of electricity (1F=1mole?). The mixture of Cu and Cd that was deposited had a mass of 50.32g. What mass of CuSO4 was present in the original mixture
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