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A car tire is inflated at 22°C to a pressure of 1.8 atm. After the car has been driven for several hours, the volume of the tire expands from 7.2 L to 7.8 L and the pressure increases to 1.9 atm. What is the tire's temperature?
If you used 8,400 kilojoules you expend in energy in one day to heat 49,000 grams of water at 18 degrees celcius, What would be the rise in temp?, and What would be the new temp of the water?
Lewis Structure for a Nitrate Ion (NO3-1). How many possible resonance structures are there for the nitrate ion
Rank the following slightly insoluble compounds from the most soluble to the least soluble. CaCO3 Ksp = 2.8 x 10-9 Co(OH)2 Ksp = 1.6 x 10-15 CaF2 Ksp = 3.9 x 10-11 BaSO4 Ksp = 1.1 x 10-10
a radioisotope used to evaluate heart function in exercise stress tests, decays by capturing one of its own core electrons. it also emmits gamma rays. write an equation for its nuclear decay, then identify the daughter isotope
Compound Y is unusually stable. What is the structure of Y and how is it formed?
Consider that sodium hydroxide is added to acetic acid (CH3COOH). What is the direction of equilibrium and by how much. Pka of Sodium Hydroxide
Aqueous solutions of nickel(II) sulfate and mercury(I) nitrate react to give aqueous nickel(II) nitrate and a mercury(I) sulfate precipitate
An unknown compound was decomposed and found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen, and 2.05 mol carbon. What is the empirical formula of the unknown compound?
For the reaction 2CH2O(g) + O2(g) ? 2HCOOH(l), if 4.19 × 1022 molecules of formaldehyde (CH2O) react with excess oxygen, what is the theoretical yield of formic acid (HCOOH)
A sample of air at 10.0 atm is heated from 575 K to 750 K. If the volume remains constant, what is the final pressure
In an automobile engine, at the end of the upstroke the piston is at its maximum height in a cylinder of exact dimensions. At this time, a precisely measured mixture of fuel and oxidant ignites to form gaseous products.
using a sample of gas where 2.0 atmnbsp is the pressure exerted by a gas while it has a volume 350 cm3 now you need to
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