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Question- A) A sample of propane, a component of LP gas, has a volume of 35.3 L at 315 K and 922 torr. What is its volume at STP (R = 0.08206 L • atm/K • mol, 1 atm = 760 torr)?
A second-order reaction has a rate constant , k, of 0.90 1/M.min. If the initial concentration of the reactant is 2.25 M , what will be the concentration of reactant after 10 minutes?
In a thermite reaction, powdered aluminum reacts with iron (III) oxide to make aluminum oxide and molten iron What mass of aluminum oxide is produced when 2.3 grams of aluminum reacts with iron (III) oxide
Draw the lewis dot structure and predict the molecular and electron-domain geometries of the following ions. a) NO2- b) CO3 2- c)ClO2-
Lead metal can be extracted from a mineral called galena, which contains 86.6% lead mass. A particular ore contains 68.5% galena by mass. If the lead can be extracted with 92.5% efficiency what mass of ore is required to make a lead sphere with a ..
If you want to feed everyone, but still have equal numbers of buns and hot dogs, what is the minimum number of packages of buns and hot dogs you need, respectively?
hydrogen has two naturally occurring isotopes normal hydrogen h with atomic mass of 1 and deuterium d with atomic mass
cyclopropane has significantly less angle strain than cyclopropane yet is only slightly lower in energy. how can this
If the equilibrium concentrations of both Cl2(g) and Br2(g) are 0.0200 M in a closed container, what will be the partial pressure of BrCl
Which best describes a solid?
A 58.60 kg piece of copper metal is heated from 20.0°C to 322.9°C. Calculate the heat absorbed (in kJ) by the metal.
propane c3h8 is often used as a fuel for heating. it burns to produce carbon dioxide and water. write a balanced
A 4.80 g nugget of pure gold absorbed 276 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C?
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