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Predict the reactivity of benzaldehyde compared to benzene in a Friedel-Crafts reaction. Benzaldehyde is _______________ reactive than benzene in Friedel-Crafts reactions
A sample of a gas originally at 29°C and 1.25 atm pressure in a 3.0 L container is allowed to contract until the volume is 2.2 L and the temperature is 11°C.
The standard enthalpy of combustion of solid urea (CO (NH2)2) is -632 kl mol-1 at 298 K and its standard molar entropy is 104.60 J K-1 mol-1, Calculate the standard Gibbs energy of formation of urea at 298 K.
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
The aspirin componet weighs only 250mg. What is the w/w% aspirin inthe time release tablet?
The mass percent composition of the compound is 53.31% C, 11.19% H, and the rest is O. What is the molecular formula of the compound
A 400ml sample of gas at 10 degrees celsius is warmed to 25 degrees celcius at a constant pressure. Calculate the final volume.
A sample of oxide of antimony (Sb) contains 30.5g of antimony combined w/10g O2. What's the simplest formula for the oxide
Suppose the exhaust from an automobile contains 1% by volume of carbon monoxide. Make the calculation at 25 degrees celsius at 1 atm. What is the concentration in %
Explain whether the molecular structure of aspirin is likely to result in it being addictive? I'm comparing the structure to methylamphetamine
two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, J = 7 Hz).
Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 49.0 mL of 0.0800 M H2SO4 (forming Na2SO4 and water).
A single cell has a radius of 15 um, a volume of 14.1 picoliter, and a mass of 15.5 nanograms. what is the density of this cell in g/mL
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