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Normally supplied in metal containers under pressure, the fuel exists as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0°C, the vapor pressure of butane is 2.30 atm. What is the pressure in the container at 110.0°C (?Hvap = 24.3 kJ/mol)?
a container consists ofnbsp 1 mole of x andnbsp 2 moles of y are placed in.it is given that thenbsp density of the gas
If the electron affinity for an element is a negative number, does it mean that the anion of the element is more stable than the neutral atom. explain
Lactic acid (found in sour milk) has an empirical formula of HC3H5O3. A 1.0 g sample of lactic acid required 17.0 mL of 0.65 M NaOH to reach the end point of a titration. What is the molecular formula for lactic acid
Show how you would synthesize ethyl 2-benzyl-3-phenylpropenoate from benzaldehyde, ethyl acetate and benzyl bromide
If 2.50L of 1.25M BaCl2 added to 3.50L of 2.45 M NaCl, what is molarity of Chloride ions in final solution
Complete and balance the equations for each of the following reactions. Express your answer as a chemical equation. Identify all of the phases
If 55.0 mL of ethanol ) initially at 8.0C is mixed with 55.0 ml of water (density = 1.0g/mL) initially at 28.6C in an insulated beaker, and assuming that no heat is lost, what is the final temperature of the mixture
The following processes is a likely change in a redox reaction. Label the chemical change as an oxidation process, a reduction process, or neither
A copper penny can be dissolved in nitric acid but not in hydrochloric acid. Explain why in terms of E? Explain what would happen as the newer pennies are added to nitric acid and hydrochloric acid.
What are the Kb and pKb of a 1.06 *10^-3 M solution of quinine, a drug used in treating malaria, having a pH of 9.75? I calculated and got: Kb = 2.95*10^-17, and pKb = 16.5.
What is the molarity of the new solution compared to the molarity of the initial solution?
Ddetermines how many tablets should be given to her if there are five tablets in stock.
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