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using a gas sample of 757 ml is compressed at stp to a volume of 118 ml and the temperature raised to 39 degrees c determine the new pressure of the
compute the amount of heat required to boil 921 grams of benzene c6h6 start from a temperature of 425 degrees celsiusconsidering the given equation
if you use a one liter bottle of oil in your engine determine how much heat is produced in kcal the density of motor oil 82gmldetermine how many
an automobile radiator holds 4 gal of a 10 antifreeze-water mixture the of antifreeze should be raised to twenty five percent by draining some of
considering the given equation c2h4g hclg c2h5clg change in h -723 nbspif nbsp89 grams of c2h4 ethylene and 130 grams of hydrochloric acid hcl are
find the number of representative particles in each given substance 1 300 mol sn2 0400 mol kcl3 750 mol so24 480 x 10-3 when solutions of agno3
when a sample of kcn of 600-grams is dissolved in h2o water in a calorimeter that has a total heat capacity of 2156 kjmiddotk-1 the temperature
when 244 ml of 0500m sulphuric acid h2so4 is combined to 244ml of 100m potassium hydroxide koh in a coffee cup calorimeter at nbspthe temperature of
the reaction of fluorine of 76 gramsnbsp with excess chlorinecl produced 33 grams of clf3 determine the percent yield of clf3 was obtainedwhile
determine the entropy change for freezing 633 grams of c2h5oh at 1587 k h -4600 jmol express your answer in units of jkdetermine the name of the
nbspthe electronic configuration of methyl 4-methoxycinnamate might be established very well in the cyclic intermediate in the reaction mechanism
sodium methoxide ch3ona is a weaker base than buli or nbuli butyllithium recommend an explanation why it is not surprising to find that a weaker base
compute the change in temperature for 450 grams of calcium chloride cacl2 dissolved in 900 ml of water h2o assume that the calorimeter absorbs no
if a gas occupies 733 mililitres at the temperature of ten degree celsius at what temperature will it occupy nbsp950 milli litresnbspcompute the
how much pv work is done if 880 grams of c 2h 4 ethylene and 120 grams of hydrochloric acid hcl are permitted to react at atmospheric pressure and
a flask is filled with 120 of argon ar gas at the temperature ofnbsp twenty five degree celsius a sample of c2h6 ethane vapor is added to the same
mineral pyrolusite mno2 manganese oxide is a compound of manganese-55 and oxygen-16 determine the empirical formula of pyrolusite if 63 of the mass
a solution contains chromiumcr3 ion and magnesium mg2 ion the addition of one litre of 155m sodium fluoride solution is needed to cause the complete
the dipole moment mu of hydrogen bromide hbr a polar covalent molecule 0790 d debye and its percent ionic character 117 calculate approximately the
it is given that the half-life of 137ce 30 years determine how many grams will remain in 150 years if we have 150000 g of 137ce nowdetermine the ph
considering the given equation as 2fe2o3s 3cs rarr 4fes 3co2g and compute w when 181 grams of iron iii oxide mm 1597 gmol combines with excess
the heat capacity of pbo is given bynbspcjk-mol 4435 000167 t pm compute the change in enthalpy of solid lead oxide nbspif it is cooled at constant
if 1 mole of a van der waals gas for which it might be shown that nbspspread out is o thermally from a volume of two litres to a volume of twenty
what would the change in temperature be in each change if 1 mole of an ideal gas is subjected to numerous changes in state c 1247 jkmol3 moles of an
determine the solubility of iron in mgl as fe in a solution in equilibrium with feoh3 s ironiii hydroxide 10-2m total sulfate so4-2 and a ph of