Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
two moles of an ideal gas originally at 380 torr and 298k are compressed at constant temperature to 680 torr find the
why does 12-ethanediol exist to a much greater extent in the gauche conformation than does
if cyclobutane were flat it would have exactly 90 degree bond angles and could theoretically use only p orbitals to
in a coffee-cup calorimeter 160 g of nh4no3 is mixed with 770 g of water at an initial temperature of 2500degc after
provide a chemical based explanation for the observation that acid-base neutralization reactions are
25cm3 of a solution of bacl2 is placed in a beaker and ba2 ions quantitativelycompletely precipitated by boiling excess
a dry-cleaning solvent molecular weight 14699 gmol that contains c h and cl is suspected to be a cancer-causing agent
at t293k and at 50 relative humidity the pressure of water vapor in equilibrium with liquid water is 00115atm using the
what is the molarity of a concentrated 480 hydrochloric acid solution given that 80ml was
combinations of palladiumii cations triphenylphosphine molecules chloride anions and ammonium cations result in the
ammonia is both a donor and an acceptor of hydrogen in hydrogen-bond formation draw a diagram showing the hydrogen
from a consideration of the lewis structure of the thiocyanate ion in which carbon has a double bond with both the
calculate the standard enthalpy of formation of methane ch4 g using a c-h bond enthaply of 413 kj mol-1 and the
a calculate the ph of a 002 m solution of oxalic acid h2c2o4 ka1 59 x 10-2 ka2 64 x 10 -5 b calculate the
the percent ionization of niacin c6h5no2 whose ka is 15 x 10-5 in a 020 m solution is 27 calculate the percentage of
what is the mass concentration of water vapor in the atmosphere at 25oc when the relative humidity is 60and the
if one ignores the thermal expansion of glass and any weighing errors due to the buoyancy effect does the volume of
120g of iron heated to 100c and put into a calorimeter with 100ml of water at 20c the final temperature of the water
1 explain the difference between a heterogeneous mixture and a homogeneous mixture2 when a carton of milk spoils a
to what final volume should you dilute 505ml of a 430 m ki solution so that 225 ml of the diluted solution contains
density of aluminum is 27 gcm3 or 27 gmlhow heavy in grams would be the coke can be instead of soda it would be filled
a typical gauge pressure for optimal performance of automobile tires is 32 lbin2 what is this pressure in grams per
calculate the number of molecules of the compound and the number of atoms of each of the elements in 603 moles of
an unknown metal m reacts with sulfur to form a compound with the formula ms if 437 g of m reacts with 251 g of s what
marble calcium carbonate reacts with hydrochloric acid solution to form calcium chloride solution water and carbon