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The label on an aerosol spray can contains a warning that the can should not be heated to over 130°F because of the danger of explosion due to the pressure increase as it is heated. Calculate the potential volume of the gas contained in a 495 mL aerosol can when it is heated from 25°C to 54°C (approximately 130°F), assuming a constant pressure.
Calculate the resulting pH if 455 mL of 0.200 M HCl is mixed with 315 mL of 0.0850 M Ca(OH)2.
When a mole of C2H4 is combusted it reacts with 3 moles of O2 to produce CO2 and H2O. How many moles of CO2 and how many moles of H2O are produced?
if a .512g sample of sodium carbonate requires 25.3 mL of a sulfuric acid solution to reach the end point for the reaction, what is the molarity of the sulfuric acid.
Compute the molar heat capacity of mercury and the specific heat capacity of mercury.
What mass of this substance must evaporate in order to freeze 160 g of water initially at 21 0C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c.K}.)
Find the expected freezing point of a water solution that contains 268 g of aluminum nitrate, Al(NO3)3, in 8.50 kg of water.
What is the formula of the zinc sulfate hydrate? name this compound
Lipids (fats) are esters of long chain fatty acids and glycerol. Similarly, describe the general structures of proteins and carbohydrates.
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks of tetrahedral with SiO single bonds
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
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