Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
in a system where deltae -510 kj a piston expanded against a pext of 12 atm gives a change in volume of 320 l what was
1 how many grams of dry nh4cl need to be added to 240 l of a 0200nbspmnbspsolution of ammonia nh3 to prepare buffer
two liters of oxygen at 25 degree celsius and a pressure of 23 atm is added to a 30 l flask containing nitrogen with a
a blood sample containing salbutamol salt hcl is analysed in the pharmaceutical laboratorya calculate the molecular
the boiling points for h2o bp 100oc and h2s bp -60degc are drastically different despite oxygen and sulfur being next
q1a sample of an unknown compound was analyzed and was found to contain 00894 moles of silver and 00447 moles of sulfur
1 explain why the melting point and boiling point of alkali metals are low2why is the ionisation action of alkali
a 50 ml volume of hcl solution and 05 m concentration was added to a sample of 55 g of magnesia milk this solution was
if it requires 385 milliliters of 085 molar nitric acid to neutralize 200 milliliters of barium hydroxide solve for the
1 for a reversible reaction at equilibriumabi what is the relationship between the rate law of the forward reaction the
a solution of hydrochloric acid is mixed with a solution of calcium hydroxide predict the products of the reaction that
h2co3nbspand hco3-nbspare used to create a buffer solutionnbspwhen an acid is introduced into this buffer which
how many picomoles per microliter of single-stranded dna are in a 300 ugml sample with 1000 base
an assay needs 50 ml of an 8-mm te buffer the stock 20-mm te buffer is available how much of the stock buffer should be
1 describe the reaction of a weak acid and a strong base in general what will the final ph be when the reaction between
a sample of gas occupies a volume of 640 ml as it expands it does 1456 j of work on its surroundings at a constant
the wavelength of an electron beam is measured to be 9000 nm what is the velocity of the electronsin the same beam the
understand the following1 name at least three atoms or ion has the same electron configuration as a phosphide ion2 name
1 the city that has a number of hot dog food trucks operating throughout the downtown area suppose that each food truck
gathering supplies for a new years celebration harpua has demand for balloons given by p 8 - q while telas demand is p
the taxpayer assistance center provides taxpayer assistance to help in the preparation of individual tax returns the
high rate of inflation is considered bad for the economy since it has various costs what are the costs of inflation
assignment the american economyyour position statements are to be no more than a three to four page detailed outline on
the change in money supply affects the economic agents suppose the federal reserve increases the money supply to boost
the inverse market demand for fiberglass insulation is given by p 800 - 2q this is a homogeneous product and there are