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A new temperature scale is proposed based on the melting and boiling points of benzene. Zero on the new scale is the melting point of benzene and 100deg on the new is is boiling point of benzene. What are the freezing and boiling points of water on this new temp. scale?
A solution is 0.034M in Na2SO4 and 0.035M in Na2CrO4. Solid Pb(NO3)2 is added without changing the volume of the solution. A. Which salt will precipitate first?
A balloon has a volume of 1.20 at 24.0 degrees Celsius. the balloon is heated to 48.0 degrees Celsius. calculate the new volume of the balloon.
Diamonds are measured in carats, where 1 carat=0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
Air contains nitrogen, oxygen, argon, and trace gases. If the partial pressure of nitrogen is 587 mmHg, oxygen is 158 mmHg, argon is 7 mmHg, and the trace gas pressure is negligible, what is the atmospheric pressure
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
estimate the minimum uncertainty in the position of an electron of mass 9.109*10^-31 kg if the error in its speed is 3*10^5 m/s
consider a hypothetical reaction in which a and b are reactants and c and d are products. if 15grams of a completely
For each of the rate laws below, what is the order of the reaction with respect to the hypothetical substances X, Y, and Z? What is the overall order?
Given that 4NH3(g)+5 O2(g)---> 4NO (g)+ 6H2O (g), If 8.2 moles of NH3 React with sufficient oxygen, how many moles of water will be formed?
calculate script edeg values for the following cells. which reactions are spontaneous as written under standard
Lead and iron are common alloying elements found in brass. Would the presence of these elements complicate the analysis of brass
Does 4 mL of 5% NaOH contain enough base to completely neutralize 125 mg of benzoic acid. Show your stoichiometry calculations.
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