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Three moles of an ideal gas with temperature independent cp=(7/2)r, cv=(5/2)r is contained in a horizontal piston/cylinder arrangement. If the piston has an area of 0.1 m2 as well as mass 500g. The initial pressure in the piston is 101 kpa. Find out the heat that must be extracted to cool the gas from 375C to 275C A) At constant pressure B) at constant volume
[H+] of the rainfall over Washington, DC is 3.163*10-5 moles/liter. what is the ph of the rainwater
Write the balanced equation for the decomposition of one mole of NH4CO2NH2. b) Calculate K at 313 K.
What mass of NaCl must be dissolved in 75.0 grams of water to lower the freezing point to -4.00c? The freezing point depression constant, Kfp for water is -1.83 C/m.
Give that 41.05mL of 0.551 M NaOH are needed to react completely with 5.343 g, sand-contaminated sample of benzoic acid (C6H5OOOH, a monoprotic acid,) answer the follwing questions.
Why is it not possible for the molar mass of a monoprotic acid to have a value less than 1g/mol
compound a has a solubility of 18 grams per 100. grams of water at25 degrees c. cooling a saturated 200.-gram solution
a polyatomic ion is composed of c n and an unknown element x. the skeletal lewis structure for this polyatomic ion is
Potassium metal (K) reacts violently when added to water according to the balanced equation: 2K+ 2H2O-->2KOH+H2. how many mole of H2O are needed to react completely with 7.54 mol of K
Draw a structure showing four water molecules bonded to a central water molecule by means of hydrogen bonding. Explain why the pressure of the atmosphere decreases with increasing altitude
a manometer connected to a pipe in which a fluid is flowing indicates a negative guage pressure head of 50mm of
Which solution would increase the osmotic pressure of water the most?
density generally increase decrease or remain unchanged when items are heated,Briefly explain your answer?
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