Calculate the empirical formula of vanillin
Calculate the empirical formula of vanillin? Vanillin, the dominant flavoring in vanilla, which contains C, H, and O and 1.05g of this substance, is completely combusted, 0.50g of H2O and 2.43g of CO2 are formed.
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An organic compound was found to contain 10.34% hydrogen, 27.59% oxygen and 62.07% carbon. Calculate its empirical formula and suggest a few possible molecular formulas. Name each of them.
Let, consider a homemade television projection system which employs a large thing positive lens to cast the image of the TV screen to a wall.
Copper (II) bromide reacts with potassium phosphate to produce Potassium bromide and copper (II) phosphate. Find out the maximum number of moles of copper (II) phosphate that could be formed from 1.115 moles of potassium phosphate and 159 moles o
Explain how does the behavior of the light beam distinct from the behavior of a bullet fired in the similar direction from the top of the freight car?
Calculate the molarity of H2SO4 solution if a preparation of sodium carbonate (Na2CO3) is known to contain the 98.6% Na2CO3. When a 0.678 g sample needs 36.8 mL of H2SO4 for complete neutralization.
Compute the torque which acts on the small loop. Suppose that the planes of the two loops are at right angles and that the magnetic field due to the large loop is in essence uniform all through the volume occupied by the small loop.
Determine the volume in liters of 0.377 M manganese (II) sulphate that contains the 58.4 g of solute. Determine the volume in milliliters of 6.11*10^-2 M adenosine triphosphate (ATP) that contains the 1.79 mol
A planet needs 270 (Earth) days to finish its circular orbit around its sun, which consists of a mass of 6.4 x 1030 kg. (i) Determine the planet's orbital radius?
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