In a constant‑pressure calorimeter, 70.0 ml70.0 ml of 0.320 m ba(oh)20.320 m ba(oh)2 was added to 70.0 ml70.0 ml of 0.640 m hcl.0.640 m hcl. the reaction caused the temperature of the solution to rise from 23.00 ∘c23.00 ∘c to 27.36 ∘c.27.36 ∘c. if the solution has the same density and specific heat as water ( 1.00 g/ml1.00 g/ml and 4.184j/g⋅k,)4.184j/g⋅k,) respectively), what is δhδh for this reaction (per mole h2oh2o produced)

Different isotopes indicate that an element will have different numbers of

Problem #3 (ch. 1, problem 15)the ideal gas law provides one way to estimate the pressure exerted by a gas on a container. the law isí‘ťí‘ť=푛푛푛푛푛푛푉푉more accurate estimates can be made with the van der waals equationí‘ťí‘ť=푛푛푛푛푛푛푉푉â’푛푛푟푟â’푞푞푛푛2푉푉2where the term nb is a correction for the volume of the molecules and the term an2/v2is a correction for molecular attractions. the values of a and b depend on the type of gas. the gas constant is r, the absolutetemperature is t, the gas volume is v, and the number of moles of gas molecules is indicated by n. if n = 1 mol of an ideal gas were confined to a volume of v = 22.41 l at a temperature of 0â°c (273.2k), it would exert a pressure of 1 atm. in these units, r = 0.0826.for chlorine gas (cl2), a = 6.49 and b = 0.0562. compare the pressure estimates given by the ideal gas law and the van der waals equation for 1 mol of cl2 in 22.41 l at 273.2 k. what is the main cause of the difference in the two pressure estimates, the molecular volume or the molecular attractions?

How hot is the suns corona? (integrated science)